checkpoints

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  • David Parker

    #1

    checkpoints

    We are starting to ramp-up testing of our application, and we started getting these messages in our log file:

    LOG: checkpoints are occurring too frequently (15 seconds apart)
    HINT: Consider increasing the configuration parameter "checkpoint_seg ments".
    LOG: recycled transaction log file "00000000000000 45"
    LOG: recycled transaction log file "00000000000000 46"
    LOG: recycled transaction log file "00000000000000 44"

    So I gather that we should bump up the number for checkpoint_segm ents, but I'm wondering:

    1) what is reasonable rule-of-thumb for what this value should be? (we are at the default right now)
    2) should checkpoint_time out be changed at the same time?
    3) should I increase wal_buffers in conjunction with checkpoint_segm ents?

    Thanks!

    - DAP
    ----------------------------------------------------------------------------------
    David Parker Tazz Networks (401) 709-5130
     

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