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1950593 - processes in latch sleep and large number of spids stuck in latch acquisition state - SAP ASE

Symptom

  • Many processes in latch sleep status and large number of spids stuck in latch acquisiton state - Event 41 in monProcessWaits
  • There is no contention on the server. Little server utilisation.
  • The issue seems to persist with the In Memory Database (IMDB).
  • DBCC STACKTRACE output of one of the spids waiting on a latch:
DBCC execution completed. If DBCC printed error messages, contact a user with System Administrator (SA) role.

Start dbcc stacktrace...

buf_get_latch 
dol_delete
row_delete
LeDeleteOp::_LeOpNext(ExeCtxt&)
LeEmitNoSndOp::_LeOpNext(ExeCtxt&)
LePlanNext 


Read more...

Environment

SAP Adaptive Server Enterprise (ASE) 15.7 

Product

SAP Adaptive Server Enterprise 15.7

Keywords

latch sleep, stack trace, hung, IMDB, CR 718587, CR718587   , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Bug Filed

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