SAP Knowledge Base Article - Preview

2347547 - High CPU may be seen after upgrade to ASE 15.7 SP 136 HF1 - SAP ASE


After upgrading to ASE 15.7 SP 136 HF1, CPU is extremely high and performance has degraded.

Review of the monSpinlockActivity data shows high contention for tablockspins, Pdes Chain Spinlocks and/or high fglockspins.

Looking at ASE stacktraces of running spids during poor performance will show them waiting on spinlocks and somewhere in the stacktrace will be the routine db_is_inmemory_db



  • SAP Adaptive Server Enterprise (ASE)
  • SAP Adaptive Server Entrprise 15.7 SP136, SP136HF1, SP137
  • SAP Adaptive Server Enterprise 16.0 SP01 PL03 through SP02 PL04HF1


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0


tablockspins, SP136, HF1, HF 1 , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem

About this page

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

Search for additional results

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