SAP Knowledge Base Article - Preview

2593397 - Writer hang, lots of threads in Allocate, Deallocate, Reallocate - SAP IQ 


  • Multiplex writer hangs.
  • 3 DumpAllThreads files were taken during the hang time and all of them are identical.
  • Lots of threads are stucked in Allocate, Deallocate, Reallocate functions of s_VersioningBlockmap, or in Lock function.



SAP IQ 16.0


SAP IQ 16.0


CR812973 , CR#812973 , 812973, CR810303, CR#810303,810303, CR811570 , CR#811570, 811570, CR809642 , CR#809642, 809642, s_VersioningBlockmap::Allocate, s_VersioningBlockmap::Deallocate, s_VersioningBlockmap::Reallocate, hos_sharedvar::Lock(), hos_mutex::Lock(), st_txnMgr::BeginTransaction, Multiplex, MPX, lock, stacktrace, stktrc , stack trace , KBA , BC-SYB-IQ , Sybase IQ , Problem

About this page

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

Search for additional results

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