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Thread: Java eating CPU

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    abhiz's Avatar
    abhiz is offline Advanced Member
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    Default Java eating CPU

    Suddenly I started seeing that JAVA services started using lot of CPU on my server and makes my server slow after that my emails start getting deferred.is there any idea whats going wrong..

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    iway is offline Partner (VAR/HSP)
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    Tried a restart?

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    abhiz's Avatar
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    nope I have not tried restart as my server is a very busy mail server I cannot do a restart on working day.will try on wekend

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    any updates on this? java is devouring my machine!
    restarting zimbra services does not seem to help...
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    briand is offline Junior Member
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    ZCS 6.0.1 - Ubuntu 8.04

    I had it happen last week. I stopped zimbra, but that process did not terminate, and I had to manually kill it. Then I restarted.

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    NoDoze is offline Elite Member
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    I ALWAYS see java running like crazy on the servers I've built!

    I thought it was "normal"....?

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    keithop is offline Senior Member
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    We've got exactly the same since 6.0

    5 was not exactly gentle on CPU but 6 on identical hardware (well identical other than we've given it more memory, another 2 cpus etc.) is 100% constantly.
    Zimbra hosting - Instant online setup - www.simplymailsolutions.com

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    Hi ,

    I am not sure about this but below are few commands which I ran on my server and everything backs to normal you can try thi on your risk.

    su - zimbra
    logmysql.server stop
    rm -rf /opt/zimbra/logger/db/data/*
    chown zimbra:zimbra /opt/zimbra/db/data
    chmod 775 /opt/zimbra/db/data
    cd /opt/zimbra/libexec
    ./zmloggerinit
    ./zmfixperms --verbose --extended
    su - zimbra
    zmlogswatchctl start

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    inigoml's Avatar
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    Quote Originally Posted by mackoftrack View Post
    any updates on this? java is devouring my machine!
    restarting zimbra services does not seem to help...
    We have the same problem with zcs-5.0.16.
    Solved after upgrading to 5.0.19.

  10. #10
    mrjohnsen is offline Senior Member
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    We have the same problem and it started last night. Cpu has been going on 97-98% for 13 hours now. Running Ubuntu 8.04. Need a fix for this asap! Is the commands that abhiz suggested safe to run in a production enviroment?

    zmcontrol -v
    Release 6.0.0_GA_1802.UBUNTU8 UBUNTU8 NETWORK edition.

    top


    zmcontrol status

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