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2616215 - Resource->rproccache_spin spinlock contention in ASE 16.0 - SAP ASE


When multiple inserts with similar values are happening on a table with column of numeric datatype:

  • Procedure cache can fill up
  • Spinlock contention on the statement cache can be observerd
  • The statement cache is full of duplicate statements
  • Contention in the rproccache_spin spinlock:

SpinlockName                          SlotID  Grabs     Spins             Waits   Contention   
SSQLCACHE_SPIN                  1407    177743  196843          4311    2.42
Resource->rproccache_spin   1401    12567    1223638074  12100  96.28



SAP Adaptive Server Enterprse (ASE) 16.0


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0


CR#812309, CR#805165, cr812309, cr805165, dbcc, statement cache corruption, stored procedure, decimal, numeric, param, parameterized , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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