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WHM daily spikes around 9PM EST

Discussion in 'General Discussion' started by ezlynx, Jan 8, 2008.

  1. ezlynx

    ezlynx Member

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    I'm using WHM X v3.1.0

    For some time now, I've noticed daily spikes occurring a little after 9PM EST that I cannot account for (no crons running then). I can only assume WHM is doing something. I've disabled two stats programs (Analog Stats and Awstats Stats) and am only running Webalizer and regularly rotate logs. If I look for large files on my 2+year old vps with:

    find / -size +20000k

    besides some mail files and mysql tables, I find:

    /usr/local/cpanel/whostmgr/bin/whostmgr2
    /usr/local/apache/libexec/libphp5.so
    /usr/local/bin/php
    /usr/bin/php-cgi
    /usr/bin/php
    /usr/lib/locale/locale-archive

    Is the large size for these files normal? Is there a WHM log being processed daily about that time that should be rotated or dumped? Any idea what is going on about 9pm on the average WHM?

    I thought maybe with the new month and normal log rotations, just maybe the spikes would stop but they keep on showing up on a daily basis. Some days worse than others. Always predictable as far as when they happen.

    Any help in at least identifying what it is and suggesting how to move it to a downtime (say, 4am) would be greatly appreciated.
     
  2. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    By default, cPanel/WHM's cron jobs take place at around 1am server time. However if you go to WHM -> cPanel -> Manage Plugins and install cronconfig you can edit these settings. Just refresh your WHM interface after installation and you should see a link for it near the bottom of the left-side menu/frame.

    For future reference, you provided the version of the WHM theme you are using, This isn't particularly useful in determining if what you are experiencing is something related to an older build. Instead, just copy/paste everything in the top-right corner of the WHM interface in the future. It will typically have all the version information others on the forum may need. For example:

    WHM 11.11.0 cPanel 11.16.0-B19167
    CENTOS Enterprise 4.5 i686 on standard - WHM X v3.1.0
     
  3. ezlynx

    ezlynx Member

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    Thanks for the reply. Sorry I didn't realize I actually missed the version.
    Here is what I have:
    WHM 11.2.0 cPanel 11.10.0-S16448
    REDHAT 9 i686 - WHM X v3.1.0


    I don't think the spike has to do with cpanel updates because my notice email always comes in the dead of night, around the time you mentioned (either shortly after 1 or 2 pm at night -- depending on whether it's daylight savings time or not).

    This is a completely separate spike shortly after 9pm at night. I hoped someone familiar with the guts could point me in the right direction. I have not been able to definitiely catch the name of the process.

    Have seen restartsrv_exim around that time (wonder if some exim stuff happens then) and also caught this on one day:

    Code:
     PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
    
     8029 root      19   0 23856  21m 9.9m D 36.8  2.1   0:00.24 whostmgr
    - both of which make me think something is going on. I just don't know what.
     
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