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3755050 - How to check the workload status of NUMA nodes

Symptom

  • System is very slow, the database is unresponsive.
  • Runtime dump analysis flags: “Blocked Transactions – There are many blocked transactions”.
  • Runtime dump analysis flags: “IO Bottleneck – Potential IO bottleneck detected”.
  • Callstacks minicheck result from script "HANA_Threads_Callstacks_MiniChecks" with high alert count with call stack "hex::TaskScheduler::finishAndWait".

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.


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Environment

  • SAP HANA Database 2.0

Product

SAP HANA, platform edition all versions

Keywords

NUMA, workload, M_NUMA_NODES, ACTIVE_LOGICAL_CORE_COUNT, M_JOBEXECUTOR_WORKER_GROUPS_, FREE_JOB_WORKER_COUNT, HANA_Threads_ThreadSamples_FilterAndAggregation, HOST_JOBEXECUTOR_WORKER_GROUPS, TOTAL_OPEN_JOB_COUNT  , KBA , HAN-DB , SAP HANA Database , HAN-DB-PERF , SAP HANA Database Performance , Problem

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