SAP Knowledge Base Article - Preview

2414200 - HIgh CPU usage and new spinlock Sched Q - SAP ASE 15.7

Symptom

  • CPU uilization spikes up.
  • sp_sysmon reports show spinlock contention on a named cache going to 29%.
  • The spinmon reports show a new spinlock "Sched Q " for this new spinlock.
  • SCN Community chat Spinlocks on "Sched Q"  suggests to turn off parameter " aggressive task stealing" to improve performance.

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Environment

 SAP Adaptive Server Enterprise (ASE) 15.7 SP134 and higher

Product

SAP Adaptive Server Enterprise 15.7

Keywords

KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

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