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Thread: Fork error

  1. #1
    brained is offline Loyal Member
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    Dec 2005
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    Default Fork error

    Nov 21 13:20:04 zimbra amavis[15764]: (15764-05) ESMTP> 451 4.5.0 Error in processing, id=15764-05, parts_decode_ext FAILED: run_command (open pipe): Can't fork at /usr/lib/perl5/5.8.5/i386-linux-thread-multi/IO/ line 176. (Cannot allocate memory) at /opt/zimbra/amavisd/sbin/amavisd line 2145.

    I'm seeing a few of these in my logs, the messages are always deferred and can be re-queued without any problem.

    Is this a perl or a memory or some other problem?

    top shows it's not even hitting the swap file.
    Last edited by brained; 11-21-2006 at 02:39 PM.

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Sep 2005
    Vannes, France
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    Are you short of memory or file descriptors?


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    brained is offline Loyal Member
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    Dec 2005
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    RAM is 1.2GB and the swap file has never been used, I'm assuming that means I've got enough RAM.

    ulimit -Hn gives 1024 and ulimit -Sn gives 1024, if that's enough or not is starting to get beyond my current linux knowledge. I can see that there are no 'Too many open files' errors which seems typical for a shortage of file descriptors.

    Server load is about 30 IMAP users and 10 Web users, around 800 messages per day.

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