Clean-up MKQL allocator page cache (#15102)

abyss7 · blinkov · commit db9244ad2783 · 2025-03-21T09:52:37.000+07:00
diff --git a/ydb/core/base/pool_stats_collector.cpp b/ydb/core/base/pool_stats_collector.cpp
@@ -37,6 +37,8 @@ class TStatsCollectingActor : public NActors::TStatsCollectingActor {
         }
 
         void Update() {
+            TAlignedPagePool::DoCleanupGlobalFreeList(1 << 30); // keep 1Gb of cached pages
+
             *TotalBytes = TAlignedPagePool::GetGlobalPagePoolSize();
             *TotalMmapped = ::NKikimr::GetTotalMmapedBytes();
             *TotalFreeList = ::NKikimr::GetTotalFreeListBytes();

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,8 @@ class TStatsCollectingActor : public NActors::TStatsCollectingActor {`
`37`	`37`	`}`
`38`	`38`
`39`	`39`	`void Update() {`
	`40`	`+ TAlignedPagePool::DoCleanupGlobalFreeList(1 << 30); // keep 1Gb of cached pages`
	`41`	`+`
`40`	`42`	`*TotalBytes = TAlignedPagePool::GetGlobalPagePoolSize();`
`41`	`43`	`*TotalMmapped = ::NKikimr::GetTotalMmapedBytes();`
`42`	`44`	`*TotalFreeList = ::NKikimr::GetTotalFreeListBytes();`