1867648 - Performance degradation under threaded mode on Solaris - SAP ASE 15.7 on Solaris | SAP Knowledge Base Article

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1867648 - Performance degradation under threaded mode on Solaris - SAP ASE 15.7 on Solaris

Symptom

  • ASE performance degradation.
  • sp_sysmon system procedure may show high levels of "I/O Busy" in the 'Kernel Utilization' section.
  • The monSysWaits monitoring (MDA) table may show high levels for WaitEventID 29 
  • ASE server may hang.
  • ASE server may crash.
  • Problem occurs when running in threaded kernel mode only.

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Environment

  • SAP Adaptive Server Enterprise (ASE) 15.7
  • Solaris 10 and 11

Product

SAP Adaptive Server Enterprise 15.7

Keywords

upgrade, slow, bottleneck, CR#719212, CR719212, 719212, Oracle, patch, 16054425, 15868517, async, i/o, threaded , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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