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3338021 - IQ16.1 SP04.10 appears to hang during BACKUP - SAP IQ

Symptom

IQ16.1 SP04.10 appears to hang during BACKUP - SAP IQ

IQ Server hangs before the final "Total number of IQ blocks backed Up.." 
It appears that IQ is hung on writing the last blocks backed up.

Hang condition on BACKUP checkpoint and db_backup_workiterator.

Review of DumpAllThreads shows leftover threads stuck on the previous backup,
 db_backup_workiterator::LocalExecWork
 db_backup_workiterator::ExecWork


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Environment

IQ 16.1 sp04.09

Product

SAP IQ 16.1

Keywords

CR 827940, 827940, CR827940, CR#827940 , KBA , BC-SYB-IQ , Sybase IQ , Problem

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