SAP Knowledge Base Article - Preview

2305111 - High spinlock contention in "default data cache" partition - SAP ASE

Symptom

  • ASE server performs very slow.
  • sp_sysmon reports show "Engine Utilization (Tick %)" reached 99~100% for all engines.
  • sp_sysmon reports show spinlock contention in the default data cache.
  • Spinmon reports show 90% spinlock contention in one of the cache partition in the default data cache.


Read more...

Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • SAP Adaptive Server Enterprise (ASE) 16.0

Product

SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0 ; Sybase Adaptive Server Enterprise 15.0 ; Sybase Adaptive Server Enterprise 15.5

Keywords

CR797715, CR#797715 , 797715, monProcessActivity, monProcess, monOpenObjectActivity, monCachedObject, spinmon.sh , concurrent, hot, MPA, MP, named cache, cache partitions, Cachelet ID, monitoring tables , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP ONE Support launchpad (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.