SAP Knowledge Base Article - Preview

2594508 - A process hangs in xls_flush_plcqueue blocking other spids - SAP ASE 16.0


  • This issue can show in various ways, with key being that 'dbcc stacktrace' includes code function xls_flush_plcqueue for the problem process.
  • It has been reported for processes doing 'dump database', 'alter database' (shrink) and BCP.
    • Issue is not limited to these examples
  • The process affected does not finish and is blocking other spid(s) in the database.
  • It is likely to prevent the log from being truncated and dump tran to complete.
  • The problem spid shows a as the oldest transaction in the syslogshold table and cannot be killed.
  • MDA table can show Wait Event "waiting for PLCBLOCK that is queued or being flushed".



SAP Adaptive Server Enterprise (ASE) 16.0 SP02 & SP03


SAP Adaptive Server Enterprise 16.0


xls_flush_plcqueue, deadlock, CR813459, CR#813459, 813459, "user log cache queue size", log, cache, buffer, unpin, optimization, queue , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Bug Filed

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.