SAP Knowledge Base Article - Preview

2705567 - Several MPX nodes hang for hours, huge number of versions seen -SAP IQ

Symptom

  • Coordinator unresponsive
  • Several or all secondary servers unresponsive
  • sp_iqversionuse shows tens of  thousands of versions
  • pstacks taken on the unresponsive servers show lots of st_txnMgr::WaitForTLVReplay
  • WinSQL is used as client tool to run queries

Read more...

Environment

  • SAP IQ 16.0
  • SAP IQ 16.1

Product

SAP IQ 16.0 ; SAP IQ 16.1

Keywords

Multiplex, coordinator, secondary, nodes, unresponsive, st_txnMgr::WaitForTLVReplay, TLV, Replay, version, transaction, ID, sp_iqversionuse, sp_iqcontext, sp_iqtransaction , 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.