From a8a11b3bafd9db71cb07c401c11bc255428fc925 Mon Sep 17 00:00:00 2001
From: Alek5andr-Kotov <akotov@ydb.tech>
Date: Tue, 7 Jul 2026 14:31:59 +0300
Subject: Prevent topic partition metrics for supportive partitions (#45734)

Co-authored-by: Alexander Kotov <abcdef@ydb.tech>
---
 ydb/core/persqueue/pqtablet/partition/partition.cpp      | 3 +++
 ydb/core/persqueue/pqtablet/partition/partition_init.cpp | 3 ++-
 ydb/core/persqueue/pqtablet/partition/user_info.cpp      | 7 ++++++-
 ydb/core/persqueue/pqtablet/partition/user_info.h        | 4 +++-
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/ydb/core/persqueue/pqtablet/partition/partition.cpp b/ydb/core/persqueue/pqtablet/partition/partition.cpp
index 9e71979d6d5..c91634eeb55 100644
--- a/ydb/core/persqueue/pqtablet/partition/partition.cpp
+++ b/ydb/core/persqueue/pqtablet/partition/partition.cpp
@@ -5061,6 +5061,9 @@ IActor* CreatePartitionActor(ui64 tabletId, const TPartitionId& partition, const
 }
 
 ::NMonitoring::TDynamicCounterPtr TPartition::GetPerPartitionCounterSubgroup() const {
+    if (IsSupportive()) {
+        return nullptr;
+    }
     auto counters = AppData(ActorContext())->Counters;
     if (!counters) {
         return nullptr;
diff --git a/ydb/core/persqueue/pqtablet/partition/partition_init.cpp b/ydb/core/persqueue/pqtablet/partition/partition_init.cpp
index b01c7e866db..8056944b1af 100644
--- a/ydb/core/persqueue/pqtablet/partition/partition_init.cpp
+++ b/ydb/core/persqueue/pqtablet/partition/partition_init.cpp
@@ -1132,7 +1132,8 @@ void TPartition::Initialize(const TActorContext& ctx) {
                                       DbId,
                                       Config.GetYdbDatabasePath(),
                                       IsServerless,
-                                      FolderId);
+                                      FolderId,
+                                      IsSupportive());
     TotalChannelWritesByHead.resize(NumChannels);
 
     if (!IsSupportive()) {
diff --git a/ydb/core/persqueue/pqtablet/partition/user_info.cpp b/ydb/core/persqueue/pqtablet/partition/user_info.cpp
index 8d614906178..f34d6908f7f 100644
--- a/ydb/core/persqueue/pqtablet/partition/user_info.cpp
+++ b/ydb/core/persqueue/pqtablet/partition/user_info.cpp
@@ -320,7 +320,8 @@ TUsersInfoStorage::TUsersInfoStorage(
     const TString& dbId,
     const TString& dbPath,
     const bool isServerless,
-    const TString& folderId
+    const TString& folderId,
+    bool isSupportive
 )
     : DCId(std::move(dcId))
     , TopicConverter(topicConverter)
@@ -331,6 +332,7 @@ TUsersInfoStorage::TUsersInfoStorage(
     , DbPath(dbPath)
     , IsServerless(isServerless)
     , FolderId(folderId)
+    , IsSupportive(isSupportive)
     , CurReadRuleGeneration(0)
 {
 }
@@ -451,6 +453,9 @@ TUsersInfoStorage::TDetailedCounterSubgroup TUsersInfoStorage::GetPartitionCount
 }
 
 TUsersInfoStorage::TDetailedCounterSubgroup TUsersInfoStorage::GetPartitionCounterSubgroupImpl(const TActorContext& ctx, const TString& monitoringProjectId) const {
+    if (IsSupportive) {
+        return {nullptr, monitoringProjectId};
+    }
     NMonitoring::TDynamicCounterPtr s = AppData(ctx)->Counters;
     if (!s) {
         return {nullptr, monitoringProjectId};
diff --git a/ydb/core/persqueue/pqtablet/partition/user_info.h b/ydb/core/persqueue/pqtablet/partition/user_info.h
index 7bd6c9907be..6b26f8b9a61 100644
--- a/ydb/core/persqueue/pqtablet/partition/user_info.h
+++ b/ydb/core/persqueue/pqtablet/partition/user_info.h
@@ -196,7 +196,8 @@ public:
         const TString& DbId,
         const TString& DbPath,
         const bool isServerless,
-        const TString& FolderId);
+        const TString& FolderId,
+        bool isSupportive);
 
     void Init(TActorId tabletActor, TActorId partitionActor, const TActorContext& ctx);
 
@@ -294,6 +295,7 @@ private:
     TString DbPath;
     bool IsServerless;
     TString FolderId;
+    bool IsSupportive;
     mutable ui64 CurReadRuleGeneration;
 
     TInstant LastReadMetricsUpdateTime;
-- 
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