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QMAIL Local queue delivering Extremely SLOW!

Discussion in 'Plesk for Linux - 8.x and Older' started by techie411, Dec 9, 2008.

  1. techie411

    techie411 Guest

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    Our local queue is delivering extremely slow. Load is just fine at 3. Memory utilization is fine. And the funny thing is that it's only affecting the local queue, but not the remote queue:

    -bash-3.00# /var/qmail/bin/qmail-qstat
    messages in queue: 917
    messages in queue but not yet preprocessed: 106

    -bash-3.00# /var/qmail/bin/qmHandle -s
    Messages in local queue: 805
    Messages in remote queue: 16

    I checked a lot of the "qmail slow" posts in these forums and none of them seem to be the cause. I am suspecting there is some sort of limit reached, but I do not know for sure. Did anyone experience any strange issue relating to this? I know that every time the "messages in queue but not yet preprocessed" number goes above 50, email delays start to happen.

    Does anyone know any way I can troubleshoot the issue further? Everything seems to look fine on the server.

    Also, I found this article in regards to the "silly qmail syndrome" - http://qmail.jms1.net/silly-qmail.shtml

    Is anyone familiar with this "Silly qmail syndrome"? I think that the problem could be related to this. Any help is appreciated. Thanks.
     
  2. Satoriya

    Satoriya Guest

    0
     
    Increasing the number of qmail-local processes can help:
    # echo 30 > /var/qmail/control/concurrencylocal
     
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