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PREEMPTIVE_OS_WRITEFILEGATHER & LOGBUFFER

  • November 14, 2012 at 8:14 am

    #270158

    Hi Experts,

    I am getting the wait_type as PREEMPTIVE_OS_WRITEFILEGATHER & LOGBUFFER when executing a particular job.

    The job finds data older than 3 years and then move them to another table.

    What action i should take to avoid these wait types.

  • November 14, 2012 at 12:57 pm

    #1559090

    Ratheesh.K.Nair (11/14/2012)

    Hi Experts,

    I am getting the wait_type as PREEMPTIVE_OS_WRITEFILEGATHER & LOGBUFFER when executing a particular job.

    The job finds data older than 3 years and then move them to another table.

    What action i should take to avoid these wait types.

    Do you know if you are experiencing a large number of log file autogrowths during the same period? Are you ever shrinking the transaction log file after it autogrows?

  • November 14, 2012 at 1:53 pm

    #1559112

    Check the throughput and latency of your IO subsystem.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

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