2011927 - CPU Spiked holding a spinlock in SSQLCACHE_SPIN - SAP ASE on Linux | SAP Knowledge Base Article

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2011927 - CPU Spiked holding a spinlock in SSQLCACHE_SPIN - SAP ASE on Linux

Symptom

  • CPU utilization was high and Logical IOs was low reported in sp_sysmon
  • High spinlock contention on SSQLCACHE_SPIN
  • ASE devices are set to DIRECTIO
  • Tables that are being queried have a large number of duplicate rows

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Environment

  • SAP Adaptive Server Enterprise (ASE)
  • Linux

Product

SAP Adaptive Server Enterprise all versions

Keywords

CR674632, CR#674632, 674632, little-endian, unique, index , KBA , performance problems , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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