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3109629 - In IQ16.1 SP04.10, detected unresponsiveness server for a while, or slow performance status, rather than complete Server hang/unresponsiveness mode -- SAP IQ


A frequent periods of server unresponsiveness where new connections are not admitted and current workload appears to hang, or at least processing very slowly These can last for periods of 10 minutes up to several hours. The IQ process does not appear to be completely hung and if left, processing returns to normal. In PL10 there is a couple new observations seen when the issue is happening.

Lots below messages are written in *.iqmsg.

... 0000000000 Warning: s_dbmvbio::Allocate has timed out on _proxyFLcv inside tid:140156852688640 lockTimeoutDuration:10



  • SAP IQ16.1 SP04 PL10
  • SAP IQ16.1 SP04 PL11


partial hang,  FindOrCreateDontZero, GetCleanPage, TimedLockAndPromote, hos_mutex::TimedLock , , KBA , BC-SYB-IQ , Sybase IQ , Problem

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