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3798144 - High CPU utilization on HDB indexserver during data-processing jobs causes connection issues

Symptom

  • High CPU utilization on the HDB indexserver while data-processing jobs run. 
  • Application connections may fail or time out during peak CPU usage. 
  • The system can appear unresponsive during job execution. 
  • The behavior occurs when SQL queries are submitted from external job tools such as ETL or reporting utilities.


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Environment

  • Product: SAP HANA, platform edition 
  • Component: SAP HANA Database Performance

Product

SAP HANA, platform edition all versions

Keywords

CPU contention, resource saturation, query parallelization, thread oversubscription, workload throttling, connection timeout, session disconnect, performance tuning, configuration parameter, batch processing, admission control, resource governor, job throughput, latency, queueing , KBA , HAN-DB-PERF , SAP HANA Database Performance , Problem

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