Rename tmp index impl tables to build index impl tables (#9868)

19 files changed, 240 insertions, 187 deletions

diff --git a/ydb/core/base/table_index.cpp b/ydb/core/base/table_index.cpp
index 48f7399cf9d..61a4fbeff92 100644
--- a/ydb/core/base/table_index.cpp
+++ b/ydb/core/base/table_index.cpp
@@ -154,9 +154,9 @@ bool IsImplTable(std::string_view tableName) {
     return Contains(ImplTables, tableName);
 }
 
-bool IsTmpImplTable(std::string_view tableName) {
-    // all impl tables that ends with "tmp" should be used only for index creation and dropped when index build is finished
-    return tableName.ends_with("tmp");
+bool IsBuildImplTable(std::string_view tableName) {
+    // all impl tables that ends with "build" should be used only for index creation and dropped when index build is finished
+    return tableName.ends_with("build");
 }
 
 }
diff --git a/ydb/core/base/table_index.h b/ydb/core/base/table_index.h
index 13caab312ec..90b48c40f3c 100644
--- a/ydb/core/base/table_index.h
+++ b/ydb/core/base/table_index.h
@@ -26,6 +26,6 @@ TTableColumns CalcTableImplDescription(NKikimrSchemeOp::EIndexType type, const T
 
 TVector<TString> GetImplTables(NKikimrSchemeOp::EIndexType indexType);
 bool IsImplTable(std::string_view tableName);
-bool IsTmpImplTable(std::string_view tableName);
+bool IsBuildImplTable(std::string_view tableName);
 
 }
diff --git a/ydb/core/base/table_vector_index.h b/ydb/core/base/table_vector_index.h
index 1807a20e1d9..39a0ff7df8f 100644
--- a/ydb/core/base/table_vector_index.h
+++ b/ydb/core/base/table_vector_index.h
@@ -14,7 +14,7 @@ inline constexpr const char* LevelTable_EmbeddingColumn = "__ydb_embedding";
 inline constexpr const char* PostingTable = "indexImplPostingTable";
 inline constexpr const char* PostingTable_ParentIdColumn = LevelTable_ParentIdColumn;
 
-inline constexpr const char* TmpPostingTableSuffix0 = "0tmp";
-inline constexpr const char* TmpPostingTableSuffix1 = "1tmp";
+inline constexpr const char* BuildPostingTableSuffix0 = "0build";
+inline constexpr const char* BuildPostingTableSuffix1 = "1build";
 
 }
diff --git a/ydb/core/protos/tx_datashard.proto b/ydb/core/protos/tx_datashard.proto
index 46b761202cf..349a1c0fd07 100644
--- a/ydb/core/protos/tx_datashard.proto
+++ b/ydb/core/protos/tx_datashard.proto
@@ -1509,10 +1509,10 @@ message TEvLocalKMeansRequest {
         UNSPECIFIED = 0;
         SAMPLE = 1;
         KMEANS = 2;
-        UPLOAD_MAIN_TO_TMP = 3;
+        UPLOAD_MAIN_TO_BUILD = 3;
         UPLOAD_MAIN_TO_POSTING = 4;
-        UPLOAD_TMP_TO_TMP = 5;
-        UPLOAD_TMP_TO_POSTING = 6;
+        UPLOAD_BUILD_TO_BUILD = 5;
+        UPLOAD_BUILD_TO_POSTING = 6;
         DONE = 7;
     };
     optional EState Upload = 11;
diff --git a/ydb/core/tx/datashard/datashard_ut_local_kmeans.cpp b/ydb/core/tx/datashard/datashard_ut_local_kmeans.cpp
index 95bf775a5d2..b572b129781 100644
--- a/ydb/core/tx/datashard/datashard_ut_local_kmeans.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_local_kmeans.cpp
@@ -200,7 +200,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         CreateShardedTable(server, sender, "/Root", "table-posting", options);
     }
 
-    static void CreateTmpTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options,
+    static void CreateBuildTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options,
                                const char* name)
     {
         options.AllowSystemColumnNames(true);
@@ -402,7 +402,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (MainToTmp) {
+    Y_UNIT_TEST (MainToBuild) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -434,7 +434,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
 
         auto create = [&] {
             CreateLevelTable(server, sender, options);
-            CreateTmpTable(server, sender, options, "table-posting");
+            CreateBuildTable(server, sender, options, "table-posting");
         };
         create();
         auto recreate = [&] {
@@ -449,7 +449,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 0;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 0, __ydb_id = 1, __ydb_embedding = mm\3\n"
                                             "__ydb_parent = 0, __ydb_id = 2, __ydb_embedding = 11\3\n");
@@ -464,7 +464,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 111;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 0, __ydb_id = 1, __ydb_embedding = 11\3\n"
                                             "__ydb_parent = 0, __ydb_id = 2, __ydb_embedding = mm\3\n");
@@ -479,7 +479,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         for (auto similarity :
              {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 0, __ydb_id = 1, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 1, embedding = \x30\x30\3, data = one\n"
@@ -492,7 +492,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 13;
         {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                DoLocalKMeans(server, sender, 0, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 0, __ydb_id = 1, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 1, embedding = \x30\x30\3, data = one\n"
@@ -504,7 +504,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (TmpToPosting) {
+    Y_UNIT_TEST (BuildToPosting) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -521,7 +521,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         options.EnableOutOfOrder(true); // TODO(mbkkt) what is it?
         options.Shards(1);
 
-        CreateTmpTable(server, sender, options, "table-main");
+        CreateBuildTable(server, sender, options, "table-main");
         // Upsert some initial values
         ExecSQL(server, sender,
                 R"(
@@ -553,7 +553,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 0;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] = DoLocalKMeans(server, sender, 40, seed, k,
-                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                                   VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = mm\3\n"
                                             "__ydb_parent = 40, __ydb_id = 42, __ydb_embedding = 11\3\n");
@@ -568,7 +568,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 111;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] = DoLocalKMeans(server, sender, 40, seed, k,
-                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                                   VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = 11\3\n"
                                             "__ydb_parent = 40, __ydb_id = 42, __ydb_embedding = mm\3\n");
@@ -583,7 +583,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         for (auto similarity :
              {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
             auto [level, posting] = DoLocalKMeans(server, sender, 40, seed, k,
-                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                                  NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                                   VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, data = one\n"
@@ -596,7 +596,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 13;
         {
             auto [level, posting] = DoLocalKMeans(
-                server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                 VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, data = one\n"
@@ -608,7 +608,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (TmpToTmp) {
+    Y_UNIT_TEST (BuildToBuild) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -625,7 +625,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         options.EnableOutOfOrder(true); // TODO(mbkkt) what is it?
         options.Shards(1);
 
-        CreateTmpTable(server, sender, options, "table-main");
+        CreateBuildTable(server, sender, options, "table-main");
         // Upsert some initial values
         ExecSQL(server, sender,
                 R"(
@@ -642,7 +642,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
 
         auto create = [&] {
             CreateLevelTable(server, sender, options);
-            CreateTmpTable(server, sender, options, "table-posting");
+            CreateBuildTable(server, sender, options, "table-posting");
         };
         create();
         auto recreate = [&] {
@@ -657,7 +657,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 0;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = mm\3\n"
                                             "__ydb_parent = 40, __ydb_id = 42, __ydb_embedding = 11\3\n");
@@ -672,7 +672,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 111;
         for (auto distance : {VectorIndexSettings::DISTANCE_MANHATTAN, VectorIndexSettings::DISTANCE_EUCLIDEAN}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = 11\3\n"
                                             "__ydb_parent = 40, __ydb_id = 42, __ydb_embedding = mm\3\n");
@@ -687,7 +687,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         for (auto similarity :
              {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, embedding = \x30\x30\3, data = one\n"
@@ -700,7 +700,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardLocalKMeansScan) {
         seed = 13;
         {
             auto [level, posting] =
-                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                DoLocalKMeans(server, sender, 40, seed, k, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                               VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(level, "__ydb_parent = 40, __ydb_id = 41, __ydb_embedding = II\3\n");
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, embedding = \x30\x30\3, data = one\n"
diff --git a/ydb/core/tx/datashard/datashard_ut_reshuffle_kmeans.cpp b/ydb/core/tx/datashard/datashard_ut_reshuffle_kmeans.cpp
index f79d0159c6d..e419fffc766 100644
--- a/ydb/core/tx/datashard/datashard_ut_reshuffle_kmeans.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_reshuffle_kmeans.cpp
@@ -153,12 +153,14 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         return std::move(posting);
     }
 
-    static void DropTable(Tests::TServer::TPtr server, TActorId sender, const char* name) {
+    static void DropTable(Tests::TServer::TPtr server, TActorId sender, const char* name)
+    {
         ui64 txId = AsyncDropTable(server, sender, "/Root", name);
         WaitTxNotification(server, sender, txId);
     }
 
-    static void CreateMainTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options) {
+    static void CreateMainTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options)
+    {
         options.AllowSystemColumnNames(false);
         options.Columns({
             {"key", "Uint32", true, true},
@@ -168,7 +170,8 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         CreateShardedTable(server, sender, "/Root", "table-main", options);
     }
 
-    static void CreatePostingTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options) {
+    static void CreatePostingTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options)
+    {
         options.AllowSystemColumnNames(true);
         options.Columns({
             {PostingTable_ParentIdColumn, "Uint32", true, true},
@@ -178,7 +181,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         CreateShardedTable(server, sender, "/Root", "table-posting", options);
     }
 
-    static void CreateTmpTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options,
+    static void CreateBuildTable(Tests::TServer::TPtr server, TActorId sender, TShardedTableOptions options,
                                const char* name)
     {
         options.AllowSystemColumnNames(true);
@@ -338,8 +341,8 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                                               "__ydb_parent = 2, key = 5, data = five\n");
             recreate();
         }
-        for (auto similarity :
-             {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
+        for (auto similarity : {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE})
+        {
             std::vector<TString> level = {
                 "II\3",
             };
@@ -369,7 +372,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (MainToTmp) {
+    Y_UNIT_TEST (MainToBuild) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -399,7 +402,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "(4, \"\x65\x65\3\", \"four\"),"
                 "(5, \"\x75\x75\3\", \"five\");");
 
-        auto create = [&] { CreateTmpTable(server, sender, options, "table-posting"); };
+        auto create = [&] { CreateBuildTable(server, sender, options, "table-posting"); };
         create();
         auto recreate = [&] {
             DropTable(server, sender, "table-posting");
@@ -412,7 +415,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "11\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 0, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 4, embedding = \x65\x65\3, data = four\n"
                                               "__ydb_parent = 1, key = 5, embedding = \x75\x75\3, data = five\n"
@@ -427,7 +430,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "mm\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 0, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 1, key = 2, embedding = \x31\x31\3, data = two\n"
@@ -436,13 +439,13 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                                               "__ydb_parent = 2, key = 5, embedding = \x75\x75\3, data = five\n");
             recreate();
         }
-        for (auto similarity :
-             {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
+        for (auto similarity : {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE})
+        {
             std::vector<TString> level = {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 0, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 1, key = 2, embedding = \x31\x31\3, data = two\n"
@@ -456,7 +459,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(
-                server, sender, 0, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP,
+                server, sender, 0, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD,
                 VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 1, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 1, key = 2, embedding = \x31\x31\3, data = two\n"
@@ -467,7 +470,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (TmpToPosting) {
+    Y_UNIT_TEST (BuildToPosting) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -484,7 +487,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         options.EnableOutOfOrder(true); // TODO(mbkkt) what is it?
         options.Shards(1);
 
-        CreateTmpTable(server, sender, options, "table-main");
+        CreateBuildTable(server, sender, options, "table-main");
         // Upsert some initial values
         ExecSQL(server, sender,
                 R"(
@@ -512,7 +515,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "11\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 4, data = four\n"
                                               "__ydb_parent = 41, key = 5, data = five\n"
@@ -527,7 +530,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "mm\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, data = one\n"
                                               "__ydb_parent = 41, key = 2, data = two\n"
@@ -536,13 +539,13 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                                               "__ydb_parent = 42, key = 5, data = five\n");
             recreate();
         }
-        for (auto similarity :
-             {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
+        for (auto similarity : {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE})
+        {
             std::vector<TString> level = {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, data = one\n"
                                               "__ydb_parent = 41, key = 2, data = two\n"
@@ -556,7 +559,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(
-                server, sender, 40, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING,
+                server, sender, 40, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING,
                 VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, data = one\n"
                                               "__ydb_parent = 41, key = 2, data = two\n"
@@ -567,7 +570,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         }
     }
 
-    Y_UNIT_TEST (TmpToTmp) {
+    Y_UNIT_TEST (BuildToBuild) {
         TPortManager pm;
         TServerSettings serverSettings(pm.GetPort(2134));
         serverSettings.SetDomainName("Root");
@@ -584,7 +587,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
         options.EnableOutOfOrder(true); // TODO(mbkkt) what is it?
         options.Shards(1);
 
-        CreateTmpTable(server, sender, options, "table-main");
+        CreateBuildTable(server, sender, options, "table-main");
         // Upsert some initial values
         ExecSQL(server, sender,
                 R"(
@@ -599,7 +602,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "(40, 5, \"\x75\x75\3\", \"five\"),"
                 "(41, 5, \"\x75\x75\3\", \"five\");");
 
-        auto create = [&] { CreateTmpTable(server, sender, options, "table-posting"); };
+        auto create = [&] { CreateBuildTable(server, sender, options, "table-posting"); };
         create();
         auto recreate = [&] {
             DropTable(server, sender, "table-posting");
@@ -612,7 +615,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "11\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 4, embedding = \x65\x65\3, data = four\n"
                                               "__ydb_parent = 41, key = 5, embedding = \x75\x75\3, data = five\n"
@@ -627,7 +630,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "mm\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, distance);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 41, key = 2, embedding = \x31\x31\3, data = two\n"
@@ -636,13 +639,13 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                                               "__ydb_parent = 42, key = 5, embedding = \x75\x75\3, data = five\n");
             recreate();
         }
-        for (auto similarity :
-             {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE}) {
+        for (auto similarity : {VectorIndexSettings::SIMILARITY_INNER_PRODUCT, VectorIndexSettings::SIMILARITY_COSINE})
+        {
             std::vector<TString> level = {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(server, sender, 40, level,
-                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                                             NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                                              VectorIndexSettings::VECTOR_TYPE_UINT8, similarity);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 41, key = 2, embedding = \x31\x31\3, data = two\n"
@@ -656,7 +659,7 @@ Y_UNIT_TEST_SUITE (TTxDataShardReshuffleKMeansScan) {
                 "II\3",
             };
             auto posting = DoReshuffleKMeans(
-                server, sender, 40, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP,
+                server, sender, 40, level, NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD,
                 VectorIndexSettings::VECTOR_TYPE_UINT8, VectorIndexSettings::DISTANCE_COSINE);
             UNIT_ASSERT_VALUES_EQUAL(posting, "__ydb_parent = 41, key = 1, embedding = \x30\x30\3, data = one\n"
                                               "__ydb_parent = 41, key = 2, embedding = \x31\x31\3, data = two\n"
diff --git a/ydb/core/tx/datashard/kmeans_helper.cpp b/ydb/core/tx/datashard/kmeans_helper.cpp
index 9bd4a4296b6..1d6e116c070 100644
--- a/ydb/core/tx/datashard/kmeans_helper.cpp
+++ b/ydb/core/tx/datashard/kmeans_helper.cpp
@@ -27,7 +27,7 @@ NTable::TLead CreateLeadFrom(const TTableRange& range) {
     return lead;
 }
 
-void AddRowMain2Tmp(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row) {
+void AddRowMain2Build(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row) {
     std::array<TCell, 1> cells;
     cells[0] = TCell::Make(parent);
     auto pk = TSerializedCellVec::Serialize(cells);
@@ -46,7 +46,7 @@ void AddRowMain2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell>
                   TSerializedCellVec::Serialize((*row).Slice(dataPos)));
 }
 
-void AddRowTmp2Tmp(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row) {
+void AddRowBuild2Build(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row) {
     std::array<TCell, 1> cells;
     cells[0] = TCell::Make(parent);
     auto pk = TSerializedCellVec::Serialize(cells);
@@ -54,7 +54,7 @@ void AddRowTmp2Tmp(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key,
     buffer.AddRow(TSerializedCellVec{key}, TSerializedCellVec{std::move(pk)}, TSerializedCellVec::Serialize(*row));
 }
 
-void AddRowTmp2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row,
+void AddRowBuild2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row,
                        ui32 dataPos)
 {
     std::array<TCell, 1> cells;
@@ -109,12 +109,12 @@ MakeUploadTypes(const TUserTable& table, NKikimrTxDataShard::TEvLocalKMeansReque
         addType(table.Columns.at(column).Name);
     }
     switch (uploadState) {
-        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_TMP:
-        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_TMP:
+        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_BUILD:
+        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_BUILD:
             addType(embedding);
             [[fallthrough]];
         case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_MAIN_TO_POSTING:
-        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_TMP_TO_POSTING: {
+        case NKikimrTxDataShard::TEvLocalKMeansRequest::UPLOAD_BUILD_TO_POSTING: {
             for (const auto& column : data) {
                 addType(column);
             }
diff --git a/ydb/core/tx/datashard/kmeans_helper.h b/ydb/core/tx/datashard/kmeans_helper.h
index c6b0a2f8641..2c45b07eda3 100644
--- a/ydb/core/tx/datashard/kmeans_helper.h
+++ b/ydb/core/tx/datashard/kmeans_helper.h
@@ -187,14 +187,14 @@ ui32 FeedEmbedding(const TCalculation<TMetric>& calculation, std::span<const TSt
     return calculation.FindClosest(clusters, embedding.data());
 }
 
-void AddRowMain2Tmp(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row);
+void AddRowMain2Build(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row);
 
 void AddRowMain2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row,
                         ui32 dataPos);
 
-void AddRowTmp2Tmp(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row);
+void AddRowBuild2Build(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row);
 
-void AddRowTmp2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row,
+void AddRowBuild2Posting(TBufferData& buffer, ui32 parent, TArrayRef<const TCell> key, const NTable::TRowState& row,
                        ui32 dataPos);
 
 TTags MakeUploadTags(const TUserTable& table, const TProtoStringType& embedding,
diff --git a/ydb/core/tx/datashard/local_kmeans.cpp b/ydb/core/tx/datashard/local_kmeans.cpp
index 5bd92d94616..24eacc00b9b 100644
--- a/ydb/core/tx/datashard/local_kmeans.cpp
+++ b/ydb/core/tx/datashard/local_kmeans.cpp
@@ -106,7 +106,8 @@ protected:
     TAutoPtr<TEvDataShard::TEvLocalKMeansResponse> Response;
 
 public:
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType()
+    {
         return NKikimrServices::TActivity::LOCAL_KMEANS_SCAN_ACTOR;
     }
 
@@ -143,7 +144,8 @@ public:
         NextTypes = MakeUploadTypes(table, UploadState, embedding, data);
     }
 
-    TInitialState Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme>) noexcept final {
+    TInitialState Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme>) noexcept final
+    {
         TActivationContext::AsActorContext().RegisterWithSameMailbox(this);
         LOG_T("Prepare " << Debug());
 
@@ -151,7 +153,8 @@ public:
         return {EScan::Feed, {}};
     }
 
-    TAutoPtr<IDestructable> Finish(EAbort abort) noexcept final {
+    TAutoPtr<IDestructable> Finish(EAbort abort) noexcept final
+    {
         LOG_T("Finish " << Debug());
 
         if (Uploader) {
@@ -175,11 +178,13 @@ public:
         return nullptr;
     }
 
-    void Describe(IOutputStream& out) const noexcept final {
+    void Describe(IOutputStream& out) const noexcept final
+    {
         out << Debug();
     }
 
-    TString Debug() const {
+    TString Debug() const
+    {
         auto builder = TStringBuilder() << " TLocalKMeansScan";
         if (Response) {
             auto& r = Response->Record;
@@ -189,7 +194,8 @@ public:
                        << " ReadBuf size: " << ReadBuf.Size() << " WriteBuf size: " << WriteBuf.Size() << " ";
     }
 
-    EScan PageFault() noexcept final {
+    EScan PageFault() noexcept final
+    {
         LOG_T("PageFault " << Debug());
 
         if (!ReadBuf.IsEmpty() && WriteBuf.IsEmpty()) {
@@ -201,7 +207,8 @@ public:
     }
 
 protected:
-    STFUNC(StateWork) {
+    STFUNC(StateWork)
+    {
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvTxUserProxy::TEvUploadRowsResponse, Handle);
             CFunc(TEvents::TSystem::Wakeup, HandleWakeup);
@@ -211,7 +218,8 @@ protected:
         }
     }
 
-    void HandleWakeup(const NActors::TActorContext& /*ctx*/) {
+    void HandleWakeup(const NActors::TActorContext& /*ctx*/)
+    {
         LOG_T("Retry upload " << Debug());
 
         if (!WriteBuf.IsEmpty()) {
@@ -219,7 +227,8 @@ protected:
         }
     }
 
-    void Handle(TEvTxUserProxy::TEvUploadRowsResponse::TPtr& ev, const TActorContext& ctx) {
+    void Handle(TEvTxUserProxy::TEvUploadRowsResponse::TPtr& ev, const TActorContext& ctx)
+    {
         LOG_T("Handle TEvUploadRowsResponse " << Debug() << " Uploader: " << Uploader.ToString()
                                               << " ev->Sender: " << ev->Sender.ToString());
 
@@ -256,7 +265,8 @@ protected:
         Driver->Touch(EScan::Final);
     }
 
-    EScan FeedUpload() {
+    EScan FeedUpload()
+    {
         if (!ReadBuf.IsReachLimits(Limits)) {
             return EScan::Feed;
         }
@@ -268,11 +278,13 @@ protected:
         return EScan::Feed;
     }
 
-    ui64 GetProbability() {
+    ui64 GetProbability()
+    {
         return Rng.GenRand64();
     }
 
-    void Upload(bool isRetry) {
+    void Upload(bool isRetry)
+    {
         if (isRetry) {
             ++RetryCount;
         } else {
@@ -290,7 +302,8 @@ protected:
         Uploader = this->Register(actor);
     }
 
-    void UploadSample() {
+    void UploadSample()
+    {
         Y_ASSERT(ReadBuf.IsEmpty());
         Y_ASSERT(WriteBuf.IsEmpty());
         std::array<TCell, 2> pk;
@@ -320,12 +333,13 @@ class TLocalKMeansScan final: public TLocalKMeansScanBase, private TCalculation<
 public:
     TLocalKMeansScan(const TUserTable& table, TLead&& lead, NKikimrTxDataShard::TEvLocalKMeansRequest& request,
                      const TActorId& responseActorId, TAutoPtr<TEvDataShard::TEvLocalKMeansResponse>&& response)
-        : TLocalKMeansScanBase{table, std::move(lead), request, responseActorId, std::move(response)} 
+        : TLocalKMeansScanBase{table, std::move(lead), request, responseActorId, std::move(response)}
     {
         this->Dimensions = request.GetSettings().vector_dimension();
     }
 
-    EScan Seek(TLead& lead, ui64 seq) noexcept final {
+    EScan Seek(TLead& lead, ui64 seq) noexcept final
+    {
         LOG_T("Seek " << Debug());
         if (State == UploadState) {
             if (!WriteBuf.IsEmpty()) {
@@ -374,28 +388,30 @@ public:
         return EScan::Feed;
     }
 
-    EScan Feed(TArrayRef<const TCell> key, const TRow& row) noexcept final {
+    EScan Feed(TArrayRef<const TCell> key, const TRow& row) noexcept final
+    {
         LOG_T("Feed " << Debug());
         switch (State) {
             case EState::SAMPLE:
                 return FeedSample(row);
             case EState::KMEANS:
                 return FeedKMeans(row);
-            case EState::UPLOAD_MAIN_TO_TMP:
-                return FeedUploadMain2Tmp(key, row);
+            case EState::UPLOAD_MAIN_TO_BUILD:
+                return FeedUploadMain2Build(key, row);
             case EState::UPLOAD_MAIN_TO_POSTING:
                 return FeedUploadMain2Posting(key, row);
-            case EState::UPLOAD_TMP_TO_TMP:
-                return FeedUploadTmp2Tmp(key, row);
-            case EState::UPLOAD_TMP_TO_POSTING:
-                return FeedUploadTmp2Posting(key, row);
+            case EState::UPLOAD_BUILD_TO_BUILD:
+                return FeedUploadBuild2Build(key, row);
+            case EState::UPLOAD_BUILD_TO_POSTING:
+                return FeedUploadBuild2Posting(key, row);
             default:
                 return EScan::Final;
         }
     }
 
 private:
-    bool InitAggregatedClusters() {
+    bool InitAggregatedClusters()
+    {
         if (Clusters.size() == 0) {
             return false;
         }
@@ -413,7 +429,8 @@ private:
         return true;
     }
 
-    void AggregateToCluster(ui32 pos, const char* embedding) {
+    void AggregateToCluster(ui32 pos, const char* embedding)
+    {
         if (pos >= K) {
             return;
         }
@@ -425,7 +442,8 @@ private:
         ++aggregate.Count;
     }
 
-    void RecomputeClusters(bool last) {
+    void RecomputeClusters(bool last)
+    {
         auto r = Clusters.begin();
         auto w = r;
         for (auto& aggregate : AggregatedClusters) {
@@ -445,7 +463,8 @@ private:
         Clusters.erase(w, Clusters.end());
     }
 
-    EScan FeedSample(const TRow& row) noexcept {
+    EScan FeedSample(const TRow& row) noexcept
+    {
         Y_ASSERT(row.Size() == 1);
         const auto embedding = row.Get(0).AsRef();
         ReadStats.Rows += 1;
@@ -473,23 +492,26 @@ private:
         return MaxProbability != 0 ? EScan::Feed : EScan::Reset;
     }
 
-    EScan FeedKMeans(const TRow& row) noexcept {
+    EScan FeedKMeans(const TRow& row) noexcept
+    {
         Y_ASSERT(row.Size() == 1);
         const ui32 pos = FeedEmbedding(*this, Clusters, row, 0, ReadStats);
         AggregateToCluster(pos, row.Get(0).Data());
         return EScan::Feed;
     }
 
-    EScan FeedUploadMain2Tmp(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadMain2Build(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowMain2Tmp(ReadBuf, Child + pos, key, row);
+        AddRowMain2Build(ReadBuf, Child + pos, key, row);
         return FeedUpload();
     }
 
-    EScan FeedUploadMain2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadMain2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
@@ -498,21 +520,23 @@ private:
         return FeedUpload();
     }
 
-    EScan FeedUploadTmp2Tmp(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadBuild2Build(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowTmp2Tmp(ReadBuf, Child + pos, key, row);
+        AddRowBuild2Build(ReadBuf, Child + pos, key, row);
         return FeedUpload();
     }
 
-    EScan FeedUploadTmp2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadBuild2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowTmp2Posting(ReadBuf, Child + pos, key, row, DataPos);
+        AddRowBuild2Posting(ReadBuf, Child + pos, key, row, DataPos);
         return FeedUpload();
     }
 };
@@ -521,27 +545,31 @@ class TDataShard::TTxHandleSafeLocalKMeansScan final: public NTabletFlatExecutor
 public:
     TTxHandleSafeLocalKMeansScan(TDataShard* self, TEvDataShard::TEvLocalKMeansRequest::TPtr&& ev)
         : TTransactionBase(self)
-        , Ev(std::move(ev)) 
+        , Ev(std::move(ev))
     {
     }
 
-    bool Execute(TTransactionContext&, const TActorContext& ctx) final {
+    bool Execute(TTransactionContext&, const TActorContext& ctx) final
+    {
         Self->HandleSafe(Ev, ctx);
         return true;
     }
 
-    void Complete(const TActorContext&) final {
+    void Complete(const TActorContext&) final
+    {
     }
 
 private:
     TEvDataShard::TEvLocalKMeansRequest::TPtr Ev;
 };
 
-void TDataShard::Handle(TEvDataShard::TEvLocalKMeansRequest::TPtr& ev, const TActorContext&) {
+void TDataShard::Handle(TEvDataShard::TEvLocalKMeansRequest::TPtr& ev, const TActorContext&)
+{
     Execute(new TTxHandleSafeLocalKMeansScan(this, std::move(ev)));
 }
 
-void TDataShard::HandleSafe(TEvDataShard::TEvLocalKMeansRequest::TPtr& ev, const TActorContext& ctx) {
+void TDataShard::HandleSafe(TEvDataShard::TEvLocalKMeansRequest::TPtr& ev, const TActorContext& ctx)
+{
     auto& record = ev->Get()->Record;
     TRowVersion rowVersion(record.GetSnapshotStep(), record.GetSnapshotTxId());
 
diff --git a/ydb/core/tx/datashard/reshuffle_kmeans.cpp b/ydb/core/tx/datashard/reshuffle_kmeans.cpp
index 398f209280f..353766085a3 100644
--- a/ydb/core/tx/datashard/reshuffle_kmeans.cpp
+++ b/ydb/core/tx/datashard/reshuffle_kmeans.cpp
@@ -68,7 +68,8 @@ protected:
     TAutoPtr<TEvDataShard::TEvReshuffleKMeansResponse> Response;
 
 public:
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType()
+    {
         return NKikimrServices::TActivity::RESHUFFLE_KMEANS_SCAN_ACTOR;
     }
 
@@ -85,7 +86,7 @@ public:
         , Clusters{request.GetClusters().begin(), request.GetClusters().end()}
         , TargetTable{request.GetPostingName()}
         , ResponseActorId{responseActorId}
-        , Response{std::move(response)} 
+        , Response{std::move(response)}
     {
         const auto& embedding = request.GetEmbeddingColumn();
         const auto& data = request.GetDataColumns();
@@ -96,7 +97,8 @@ public:
         TargetTypes = MakeUploadTypes(table, UploadState, embedding, data);
     }
 
-    TInitialState Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme>) noexcept final {
+    TInitialState Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme>) noexcept final
+    {
         TActivationContext::AsActorContext().RegisterWithSameMailbox(this);
         LOG_T("Prepare " << Debug());
 
@@ -104,7 +106,8 @@ public:
         return {EScan::Feed, {}};
     }
 
-    EScan Seek(TLead& lead, ui64 seq) noexcept final {
+    EScan Seek(TLead& lead, ui64 seq) noexcept final
+    {
         LOG_T("Seek " << Debug());
         if (seq == 0) {
             lead = std::move(Lead);
@@ -125,7 +128,8 @@ public:
         return EScan::Final;
     }
 
-    TAutoPtr<IDestructable> Finish(EAbort abort) noexcept final {
+    TAutoPtr<IDestructable> Finish(EAbort abort) noexcept final
+    {
         LOG_T("Finish " << Debug());
 
         if (Uploader) {
@@ -149,11 +153,13 @@ public:
         return nullptr;
     }
 
-    void Describe(IOutputStream& out) const noexcept final {
+    void Describe(IOutputStream& out) const noexcept final
+    {
         out << Debug();
     }
 
-    TString Debug() const {
+    TString Debug() const
+    {
         auto builder = TStringBuilder() << " TReshuffleKMeansScan";
         if (Response) {
             auto& r = Response->Record;
@@ -163,7 +169,8 @@ public:
                        << " WriteBuf size: " << WriteBuf.Size() << " ";
     }
 
-    EScan PageFault() noexcept final {
+    EScan PageFault() noexcept final
+    {
         LOG_T("PageFault " << Debug());
 
         if (!ReadBuf.IsEmpty() && WriteBuf.IsEmpty()) {
@@ -175,7 +182,8 @@ public:
     }
 
 protected:
-    STFUNC(StateWork) {
+    STFUNC(StateWork)
+    {
         switch (ev->GetTypeRewrite()) {
             hFunc(TEvTxUserProxy::TEvUploadRowsResponse, Handle);
             cFunc(TEvents::TSystem::Wakeup, HandleWakeup);
@@ -185,7 +193,8 @@ protected:
         }
     }
 
-    void HandleWakeup() {
+    void HandleWakeup()
+    {
         LOG_T("Retry upload " << Debug());
 
         if (!WriteBuf.IsEmpty()) {
@@ -193,7 +202,8 @@ protected:
         }
     }
 
-    void Handle(TEvTxUserProxy::TEvUploadRowsResponse::TPtr& ev) {
+    void Handle(TEvTxUserProxy::TEvUploadRowsResponse::TPtr& ev)
+    {
         LOG_T("Handle TEvUploadRowsResponse " << Debug() << " Uploader: " << Uploader.ToString()
                                               << " ev->Sender: " << ev->Sender.ToString());
 
@@ -230,7 +240,8 @@ protected:
         Driver->Touch(EScan::Final);
     }
 
-    EScan FeedUpload() {
+    EScan FeedUpload()
+    {
         if (!ReadBuf.IsReachLimits(Limits)) {
             return EScan::Feed;
         }
@@ -242,7 +253,8 @@ protected:
         return EScan::Feed;
     }
 
-    void Upload(bool isRetry) {
+    void Upload(bool isRetry)
+    {
         if (isRetry) {
             ++RetryCount;
         } else {
@@ -262,38 +274,41 @@ class TReshuffleKMeansScan final: public TReshuffleKMeansScanBase, private TCalc
 public:
     TReshuffleKMeansScan(const TUserTable& table, TLead&& lead, NKikimrTxDataShard::TEvReshuffleKMeansRequest& request,
                          const TActorId& responseActorId, TAutoPtr<TEvDataShard::TEvReshuffleKMeansResponse>&& response)
-        : TReshuffleKMeansScanBase{table, std::move(lead), request, responseActorId, std::move(response)} 
+        : TReshuffleKMeansScanBase{table, std::move(lead), request, responseActorId, std::move(response)}
     {
         this->Dimensions = request.GetSettings().vector_dimension();
     }
 
-    EScan Feed(TArrayRef<const TCell> key, const TRow& row) noexcept final {
+    EScan Feed(TArrayRef<const TCell> key, const TRow& row) noexcept final
+    {
         LOG_T("Feed " << Debug());
         switch (UploadState) {
-            case EState::UPLOAD_MAIN_TO_TMP:
-                return FeedUploadMain2Tmp(key, row);
+            case EState::UPLOAD_MAIN_TO_BUILD:
+                return FeedUploadMain2Build(key, row);
             case EState::UPLOAD_MAIN_TO_POSTING:
                 return FeedUploadMain2Posting(key, row);
-            case EState::UPLOAD_TMP_TO_TMP:
-                return FeedUploadTmp2Tmp(key, row);
-            case EState::UPLOAD_TMP_TO_POSTING:
-                return FeedUploadTmp2Posting(key, row);
+            case EState::UPLOAD_BUILD_TO_BUILD:
+                return FeedUploadBuild2Build(key, row);
+            case EState::UPLOAD_BUILD_TO_POSTING:
+                return FeedUploadBuild2Posting(key, row);
             default:
                 return EScan::Final;
         }
     }
 
 private:
-    EScan FeedUploadMain2Tmp(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadMain2Build(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowMain2Tmp(ReadBuf, Child + pos, key, row);
+        AddRowMain2Build(ReadBuf, Child + pos, key, row);
         return FeedUpload();
     }
 
-    EScan FeedUploadMain2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadMain2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
@@ -302,21 +317,23 @@ private:
         return FeedUpload();
     }
 
-    EScan FeedUploadTmp2Tmp(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadBuild2Build(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowTmp2Tmp(ReadBuf, Child + pos, key, row);
+        AddRowBuild2Build(ReadBuf, Child + pos, key, row);
         return FeedUpload();
     }
 
-    EScan FeedUploadTmp2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept {
+    EScan FeedUploadBuild2Posting(TArrayRef<const TCell> key, const TRow& row) noexcept
+    {
         const ui32 pos = FeedEmbedding(*this, Clusters, row, EmbeddingPos, ReadStats);
         if (pos > K) {
             return EScan::Feed;
         }
-        AddRowTmp2Posting(ReadBuf, Child + pos, key, row, DataPos);
+        AddRowBuild2Posting(ReadBuf, Child + pos, key, row, DataPos);
         return FeedUpload();
     }
 };
@@ -325,26 +342,31 @@ class TDataShard::TTxHandleSafeReshuffleKMeansScan final: public NTabletFlatExec
 public:
     TTxHandleSafeReshuffleKMeansScan(TDataShard* self, TEvDataShard::TEvReshuffleKMeansRequest::TPtr&& ev)
         : TTransactionBase(self)
-        , Ev(std::move(ev)) {
+        , Ev(std::move(ev))
+    {
     }
 
-    bool Execute(TTransactionContext&, const TActorContext& ctx) final {
+    bool Execute(TTransactionContext&, const TActorContext& ctx) final
+    {
         Self->HandleSafe(Ev, ctx);
         return true;
     }
 
-    void Complete(const TActorContext&) final {
+    void Complete(const TActorContext&) final
+    {
     }
 
 private:
     TEvDataShard::TEvReshuffleKMeansRequest::TPtr Ev;
 };
 
-void TDataShard::Handle(TEvDataShard::TEvReshuffleKMeansRequest::TPtr& ev, const TActorContext&) {
+void TDataShard::Handle(TEvDataShard::TEvReshuffleKMeansRequest::TPtr& ev, const TActorContext&)
+{
     Execute(new TTxHandleSafeReshuffleKMeansScan(this, std::move(ev)));
 }
 
-void TDataShard::HandleSafe(TEvDataShard::TEvReshuffleKMeansRequest::TPtr& ev, const TActorContext& ctx) {
+void TDataShard::HandleSafe(TEvDataShard::TEvReshuffleKMeansRequest::TPtr& ev, const TActorContext& ctx)
+{
     auto& record = ev->Get()->Record;
     TRowVersion rowVersion(record.GetSnapshotStep(), record.GetSnapshotTxId());
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
index 5269cc30cdc..24c06f9ec54 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
@@ -94,7 +94,7 @@ TVector<ISubOperation::TPtr> ApplyBuildIndex(TOperationId nextId, const TTxTrans
         for (auto& indexChildItems : index.Base()->GetChildren()) {
             const auto& indexImplTableName = indexChildItems.first;
             const auto partId = NextPartId(nextId, result);
-            if (NTableIndex::IsTmpImplTable(indexImplTableName)) {
+            if (NTableIndex::IsBuildImplTable(indexImplTableName)) {
                 bool rejected = false;
                 auto op = DropIndexImplTable(index, nextId, partId, indexImplTableName, indexChildItems.second, rejected);
                 if (rejected) {
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
index 19bacf412ed..50eb991aaf5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
@@ -134,8 +134,8 @@ TVector<ISubOperation::TPtr> CreateBuildIndex(TOperationId opId, const TTxTransa
         result.push_back(createImplTable(CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, indexPostingTableDesc)));
         // TODO Maybe better to use partition from main table
         // This tables are temporary and handled differently in apply_build_index
-        result.push_back(createImplTable(CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, indexPostingTableDesc, NTableVectorKmeansTreeIndex::TmpPostingTableSuffix0)));
-        result.push_back(createImplTable(CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, indexPostingTableDesc, NTableVectorKmeansTreeIndex::TmpPostingTableSuffix1)));
+        result.push_back(createImplTable(CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, indexPostingTableDesc, NTableVectorKmeansTreeIndex::BuildPostingTableSuffix0)));
+        result.push_back(createImplTable(CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, indexPostingTableDesc, NTableVectorKmeansTreeIndex::BuildPostingTableSuffix1)));
     } else {
         NKikimrSchemeOp::TTableDescription indexTableDesc;
         // TODO After IndexImplTableDescriptions are persisted, this should be replaced with Y_ABORT_UNLESS
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
index cfa632c31dc..b41752f6bf5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
@@ -448,9 +448,9 @@ public:
             if (checks) {
                 if (parentPath.Base()->IsTableIndex()) {
                     checks.IsInsideTableIndexPath();
-                    // Not tmp index impl tables can be created only as part of create index
-                    // tmp index impl tables created multiple times during index construction
-                    if (!NTableIndex::IsTmpImplTable(name)) {
+                    // Not build index impl tables can be created only as part of create index
+                    // build index impl tables created multiple times during index construction
+                    if (!NTableIndex::IsBuildImplTable(name)) {
                         checks
                             .IsUnderCreating(NKikimrScheme::StatusNameConflict)
                             .IsUnderTheSameOperation(OperationId.GetTxId());
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
index 9bdcb7eeb44..b2757a2241b 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
@@ -425,7 +425,7 @@ TVector<ISubOperation::TPtr> CreateDropIndexedTable(TOperationId nextId, const T
                     .IsTable()
                     .NotUnderDeleting()
                     .NotUnderOperation();
-                if (!table.Parent()->IsTableIndex() || !NTableIndex::IsTmpImplTable(table.LeafName())) {
+                if (!table.Parent()->IsTableIndex() || !NTableIndex::IsBuildImplTable(table.LeafName())) {
                     checks.IsCommonSensePath();                    
                 }
             }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
index 3a38fce787b..83064e8d570 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
@@ -531,9 +531,9 @@ public:
                     checks
                         .IsTableIndex()
                         .IsInsideTableIndexPath();
-                    // Not tmp index impl tables can be dropped only as part of drop index
-                    // tmp index impl tables dropped multiple times during index construction
-                    if (!NTableIndex::IsTmpImplTable(name)) {
+                    // Not build index impl tables can be dropped only as part of drop index
+                    // build index impl tables dropped multiple times during index construction
+                    if (!NTableIndex::IsBuildImplTable(name)) {
                         checks
                             .IsUnderDeleting()
                             .IsUnderTheSameOperation(OperationId.GetTxId());
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp b/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
index d71a59293c1..9f11e32fa51 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
@@ -34,10 +34,10 @@ static constexpr const char* Name(TIndexBuildInfo::EState state) noexcept {
         return "Initiating";
     case TIndexBuildInfo::EState::Filling:
         return "Filling";
-    case TIndexBuildInfo::EState::DropTmp:
-        return "DropTmp";
-    case TIndexBuildInfo::EState::CreateTmp:
-        return "CreateTmp";
+    case TIndexBuildInfo::EState::DropBuild:
+        return "DropBuild";
+    case TIndexBuildInfo::EState::CreateBuild:
+        return "CreateBuild";
     case TIndexBuildInfo::EState::Applying:
         return "Applying";
     case TIndexBuildInfo::EState::Unlocking:
@@ -292,7 +292,7 @@ THolder<TEvSchemeShard::TEvModifySchemeTransaction> InitiatePropose(
     return propose;
 }
 
-THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropTmpPropose(
+THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropBuildPropose(
     TSchemeShard* ss, const TIndexBuildInfo& buildInfo)
 {
     Y_ASSERT(buildInfo.IsBuildVectorIndex());
@@ -308,7 +308,7 @@ THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropTmpPropose(
 
     using namespace NTableIndex::NTableVectorKmeansTreeIndex;
     TString name = PostingTable;
-    const char* suffix = buildInfo.KMeans.Level % 2 == 0 ? TmpPostingTableSuffix0 : TmpPostingTableSuffix1;
+    const char* suffix = buildInfo.KMeans.Level % 2 == 0 ? BuildPostingTableSuffix0 : BuildPostingTableSuffix1;
     name.append(suffix);
 
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpDropTable);
@@ -317,7 +317,7 @@ THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropTmpPropose(
     return propose;
 }
 
-THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTmpPropose(
+THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateBuildPropose(
     TSchemeShard* ss, const TIndexBuildInfo& buildInfo)
 {
     Y_ASSERT(buildInfo.IsBuildVectorIndex());
@@ -347,7 +347,7 @@ THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTmpPropose(
     modifyScheme.SetWorkingDir(path.Dive(buildInfo.IndexName).PathString());
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpInitiateBuildIndexImplTable);
     auto& op = *modifyScheme.MutableCreateTable();
-    const char* suffix = buildInfo.KMeans.Level % 2 == 0 ? TmpPostingTableSuffix0 : TmpPostingTableSuffix1;
+    const char* suffix = buildInfo.KMeans.Level % 2 == 0 ? BuildPostingTableSuffix0 : BuildPostingTableSuffix1;
     op = CalcVectorKmeansTreePostingImplTableDesc(tableInfo, tableInfo->PartitionConfig(), implTableColumns, {}, suffix);
 
     const auto [count, parts, step] = ComputeKMeansBoundaries(*tableInfo, buildInfo);
@@ -664,7 +664,7 @@ public:
             } else {
                 if (buildInfo.IsBuildVectorIndex()) {
                     Y_ASSERT(buildInfo.KMeans.NeedsAnotherLevel());
-                    ChangeState(BuildId, TIndexBuildInfo::EState::DropTmp);
+                    ChangeState(BuildId, TIndexBuildInfo::EState::DropBuild);
                 } else {
                     ChangeState(BuildId, TIndexBuildInfo::EState::Filling);
                 }
@@ -764,7 +764,7 @@ public:
                     }
                     if (buildInfo.KMeans.NeedsAnotherLevel()) {
                         AskToScheduleBilling(buildInfo);
-                        ChangeState(BuildId, TIndexBuildInfo::EState::DropTmp);
+                        ChangeState(BuildId, TIndexBuildInfo::EState::DropBuild);
                         Progress(BuildId);
                         break;
                     }
@@ -780,12 +780,12 @@ public:
 
             break;
         }
-        case TIndexBuildInfo::EState::DropTmp:
+        case TIndexBuildInfo::EState::DropBuild:
             Y_ASSERT(buildInfo.IsBuildVectorIndex());
             if (buildInfo.ApplyTxId == InvalidTxId) {
                 Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo.ApplyTxStatus == NKikimrScheme::StatusSuccess) {
-                Send(Self->SelfId(), DropTmpPropose(Self, buildInfo), 0, ui64(BuildId));
+                Send(Self->SelfId(), DropBuildPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo.ApplyTxDone) {
                 Send(Self->SelfId(), MakeHolder<TEvSchemeShard::TEvNotifyTxCompletion>(ui64(buildInfo.ApplyTxId)));
             } else {
@@ -798,16 +798,16 @@ public:
                 Self->PersistBuildIndexApplyTxStatus(db, buildInfo);
                 Self->PersistBuildIndexApplyTxDone(db, buildInfo);
 
-                ChangeState(BuildId, TIndexBuildInfo::EState::CreateTmp);
+                ChangeState(BuildId, TIndexBuildInfo::EState::CreateBuild);
                 Progress(BuildId);
             }
             break;
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::CreateBuild:
             Y_ASSERT(buildInfo.IsBuildVectorIndex());
             if (buildInfo.ApplyTxId == InvalidTxId) {
                 Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo.ApplyTxStatus == NKikimrScheme::StatusSuccess) {
-                Send(Self->SelfId(), CreateTmpPropose(Self, buildInfo), 0, ui64(BuildId));
+                Send(Self->SelfId(), CreateBuildPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo.ApplyTxDone) {
                 Send(Self->SelfId(), MakeHolder<TEvSchemeShard::TEvNotifyTxCompletion>(ui64(buildInfo.ApplyTxId)));
             } else {
@@ -1050,8 +1050,8 @@ public:
         case TIndexBuildInfo::EState::Locking:
         case TIndexBuildInfo::EState::GatheringStatistics:
         case TIndexBuildInfo::EState::Initiating:
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Unlocking:
         case TIndexBuildInfo::EState::Done:
@@ -1202,8 +1202,8 @@ public:
         case TIndexBuildInfo::EState::Locking:
         case TIndexBuildInfo::EState::GatheringStatistics:
         case TIndexBuildInfo::EState::Initiating:
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Unlocking:
         case TIndexBuildInfo::EState::Done:
@@ -1281,8 +1281,8 @@ public:
         case TIndexBuildInfo::EState::Locking:
         case TIndexBuildInfo::EState::GatheringStatistics:
         case TIndexBuildInfo::EState::Initiating:
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Unlocking:
         case TIndexBuildInfo::EState::Done:
@@ -1458,8 +1458,8 @@ public:
         case TIndexBuildInfo::EState::Locking:
         case TIndexBuildInfo::EState::GatheringStatistics:
         case TIndexBuildInfo::EState::Initiating:
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Unlocking:
         case TIndexBuildInfo::EState::Done:
@@ -1537,8 +1537,8 @@ public:
             Self->PersistBuildIndexInitiateTxDone(db, buildInfo);
             break;
         }
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Cancellation_Applying:
         case TIndexBuildInfo::EState::Rejection_Applying:
@@ -1704,8 +1704,8 @@ public:
             ifErrorMoveTo(TIndexBuildInfo::EState::Rejection_Unlocking);
             break;
         }
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Rejection_Applying:
         {
@@ -1818,8 +1818,8 @@ public:
                 Self->PersistBuildIndexInitiateTxId(db, buildInfo);
             }
             break;
-        case TIndexBuildInfo::EState::DropTmp:
-        case TIndexBuildInfo::EState::CreateTmp:
+        case TIndexBuildInfo::EState::DropBuild:
+        case TIndexBuildInfo::EState::CreateBuild:
         case TIndexBuildInfo::EState::Applying:
         case TIndexBuildInfo::EState::Cancellation_Applying:
         case TIndexBuildInfo::EState::Rejection_Applying:
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.cpp b/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.cpp
index f6f9749584a..022a6d27295 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.cpp
@@ -209,8 +209,8 @@ void TSchemeShard::TIndexBuilder::TTxBase::Fill(NKikimrIndexBuilder::TIndexBuild
         index.SetProgress(0.0);
         break;
     case TIndexBuildInfo::EState::Filling:
-    case TIndexBuildInfo::EState::DropTmp:
-    case TIndexBuildInfo::EState::CreateTmp:
+    case TIndexBuildInfo::EState::DropBuild:
+    case TIndexBuildInfo::EState::CreateBuild:
         index.SetState(Ydb::Table::IndexBuildState::STATE_TRANSFERING_DATA);
         index.SetProgress(indexInfo.CalcProgressPercent());
         break;
diff --git a/ydb/core/tx/schemeshard/schemeshard_info_types.h b/ydb/core/tx/schemeshard/schemeshard_info_types.h
index 6f665064eab..46de9b7432a 100644
--- a/ydb/core/tx/schemeshard/schemeshard_info_types.h
+++ b/ydb/core/tx/schemeshard/schemeshard_info_types.h
@@ -2910,8 +2910,8 @@ struct TIndexBuildInfo: public TSimpleRefCount<TIndexBuildInfo> {
         GatheringStatistics = 20,
         Initiating = 30,
         Filling = 40,
-        DropTmp = 45,
-        CreateTmp = 46,
+        DropBuild = 45,
+        CreateBuild = 46,
         Applying = 50,
         Unlocking = 60,
         Done = 200,
diff --git a/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp b/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
index 977c22e51f6..416954aa4b8 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
@@ -1325,7 +1325,7 @@ void TSchemeShard::DescribeTableIndex(const TPathId& pathId, const TString& name
     Y_ABORT_UNLESS(indexPathPtr);
     const auto& indexPath = *indexPathPtr->Get();
     if (const auto size = indexPath.GetChildren().size(); indexInfo->Type == NKikimrSchemeOp::EIndexType::EIndexTypeGlobalVectorKmeansTree) {
-        // For vector index we have 2 impl tables and 2 tmp impl tables
+        // For vector index we have 2 impl tables and 2 build impl tables
         Y_VERIFY_S(2 <= size && size <= 4, size);
     } else {
         Y_VERIFY_S(size == 1, size);
@@ -1334,8 +1334,8 @@ void TSchemeShard::DescribeTableIndex(const TPathId& pathId, const TString& name
     ui64 dataSize = 0;
     for (const auto& indexImplTablePathId : indexPath.GetChildren()) {
         const auto* tableInfoPtr = Tables.FindPtr(indexImplTablePathId.second);
-        if (!tableInfoPtr && NTableIndex::IsTmpImplTable(indexImplTablePathId.first)) {
-            continue; // it's possible because of dropping tmp index impl tables without dropping index
+        if (!tableInfoPtr && NTableIndex::IsBuildImplTable(indexImplTablePathId.first)) {
+            continue; // it's possible because of dropping build index impl tables without dropping index
         }
         Y_ABORT_UNLESS(tableInfoPtr);
         const auto& tableInfo = *tableInfoPtr->Get();