SAP Knowledge Base Article - Preview

3257190 - High CPU usage caused by column store access statistics cache

Symptom

While creating a runtime dump, you will see many Statements in state Running with similar Callstacks:


DataStatistics::CSAccessStatisticsCache::insert
DataStatistics::CSAccessStatisticsCache::lookup
AttributeEngine::AccessCounterHelpers::insertIntoCSAccessStatisticsCache


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Environment

  • SAP HANA DATABASE 2.00.048.02 and newer
  • SAP HANA DATABASE 2.00.053 and newer

Product

SAP HANA, platform edition 2.0

Keywords

TREXCache_CacheInstance; DataStatistics::CSAccessStatisticsCache::lookup; collection_enabled , KBA , HAN-DB-PERF , SAP HANA Database Performance , Problem

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