From abc837b2d5ce96ba9bd4e46b677782b282cf0c05 Mon Sep 17 00:00:00 2001
From: Semyon <yentsovsemyon@ydb.tech>
Date: Wed, 21 May 2025 16:22:32 +0300
Subject: disable clean_deprecated_snapshot normalizer if unneeded (#18617)

---
 .../tx/columnshard/normalizer/portion/clean_deprecated_snapshot.cpp  | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ydb/core/tx/columnshard/normalizer/portion/clean_deprecated_snapshot.cpp b/ydb/core/tx/columnshard/normalizer/portion/clean_deprecated_snapshot.cpp
index 132bca51970..88148340c04 100644
--- a/ydb/core/tx/columnshard/normalizer/portion/clean_deprecated_snapshot.cpp
+++ b/ydb/core/tx/columnshard/normalizer/portion/clean_deprecated_snapshot.cpp
@@ -69,6 +69,11 @@ public:
 TConclusion<std::vector<INormalizerTask::TPtr>> TCleanDeprecatedSnapshotNormalizer::DoInit(
     const TNormalizationController&, NTabletFlatExecutor::TTransactionContext& txc) {
     using namespace NColumnShard;
+
+    if (!AppDataVerified().ColumnShardConfig.GetColumnChunksV0Usage()) {
+        return std::vector<INormalizerTask::TPtr>();
+    }
+    
     auto batchesToDelete = GetChunksToRewrite(txc, DsGroupSelector);
     if (!batchesToDelete) {
         return TConclusionStatus::Fail("Not ready");
-- 
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