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2953316 - Large size of memory usage on heap allocators Pool/CacheMgr/<Cache_Name>

Symptom

You notice that below allocators occupy most of total memory usage.


Pool/CacheMgr/CS_StatisticsCache
Pool/CacheMgr/CS_QueryResultCache[Realtime]
Pool/CacheMgr/CS_QueryResultCache[TimeControlled]
Pool/CacheMgr/CE_ScenarioModelCache
Pool/CacheMgr/DataStatisticsAdviserCache
Pool/CacheMgr/Currency/UnitConversion_RateQueriesResultCache

Pool/CacheFramework/CacheMgr/CS_StatisticsCache
Pool/CacheFramework/CacheMgr/CS_QueryResultCache[Realtime]
Pool/CacheFramework/CacheMgr/CS_QueryResultCache[TimeControlled]
Pool/CacheFramework/CacheMgr/CE_ScenarioModelCache
Pool/CacheFramework/CacheMgr/DataStatisticsAdviserCache
Pool/CacheFramework/CacheMgr/Currency/UnitConversion_RateQueriesResultCache

Pool/TREXCache/CacheMgr/CS_StatisticsCache
Pool/TREXCache/CacheMgr/CS_QueryResultCache[Realtime]
Pool/TREXCache/CacheMgr/CS_QueryResultCache[TimeControlled]
Pool/TREXCache/CacheMgr/CE_ScenarioModelCache
Pool/TREXCache/CacheMgr/DataStatisticsAdviserCache
Pool/TREXCache/CacheMgr/Currency/UnitConversion_RateQueriesResultCache


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Environment

  • HANA database platform 1.0
  • HANA database platform 2.0

Product

SAP HANA, platform edition all versions

Keywords

OOM, high memory, dump, heap memory, Column store statistics cache, Data statistics adviser cache, Calculation engine model cache, Query result cache, Currency conversion cache , KBA , HAN-DB-PERF , SAP HANA Database Performance , HAN-DB , SAP HANA Database , HAN-DB-ENG , SAP HANA DB Engines , Problem

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