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Thread: Again high CPU

  1. #1
    Tripple is offline Elite Member
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    Default [SOLVED] Again high CPU

    On my CentOS 5.6 32-bit 7.1.2 FOSS edition, for no reason, I start getting mails about high load avarage.

    Looking at my server, top sais:
    10477 zimbra 18 0 1393m 1.2g 11m S 197.5 30.0 172:19.96 java

    Java: 197.5%

    Is this the old bug that came back? How can I fix this?
    Last edited by Tripple; 08-31-2011 at 09:15 AM.

  2. #2
    Tripple is offline Elite Member
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    Default

    And after 1 hour gone the same way it came.
    CPU back to normal.

  3. #3
    brian is offline Project Contributor
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    Default

    We are tracking a couple issues for 7.1.3 that maybe causing this issue.

    Bug 63467 and Bug 63621
    Bugzilla - Wiki - Downloads - Before posting... Search!

  4. #4
    bdial's Avatar
    bdial is offline Moderator
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    Default

    would those bugs affect 6.1.14 as well? after upgrading to that this weekend 2 of my mailbox servers go from normal to 100% cpu. restarting seems to fix them for a day or so.

  5. #5
    dave_kempe is offline Partner (VAR/HSP)
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    I had a problem where an n900 client using mail for exchange triggered a bug like this.
    http://www.solutionsfirst.com.au/hosting/zimbra/
    Australia's premier Zimbra Hosting Partner
    Resellers wanted!

  6. #6
    JaymeH is offline Intermediate Member
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    Default Me too...

    I've been experiencing the same problem on zcs-6.0.14_GA_2928_RHEL5_64 since I've upgraded from 6.0.13. Seems to be related to mailbox service on my server. The next time it happens I'll snag a ps output of the process and post it here.

    Enabled services:
    zimbraServiceEnabled: antivirus
    zimbraServiceEnabled: antispam
    zimbraServiceEnabled: logger
    zimbraServiceEnabled: mailbox
    zimbraServiceEnabled: mta
    zimbraServiceEnabled: stats
    zimbraServiceEnabled: snmp
    zimbraServiceEnabled: ldap
    zimbraServiceEnabled: spell


    I only have top output of the process from today's event. 8G of ram on this server btw.

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    7087 zimbra 18 0 4152m 2.4g 10m S 198.7 30.7 283:02.41 java

    After a zmcontrol mailbox stop && zmcontrol mailbox start, load is around 0.5.

  7. #7
    JaymeH is offline Intermediate Member
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    Quote Originally Posted by JaymeH View Post
    I've been experiencing the same problem on zcs-6.0.14_GA_2928_RHEL5_64 since I've upgraded from 6.0.13. Seems to be related to mailbox service on my server. The next time it happens I'll snag a ps output of the process and post it here.

    Enabled services:
    zimbraServiceEnabled: antivirus
    zimbraServiceEnabled: antispam
    zimbraServiceEnabled: logger
    zimbraServiceEnabled: mailbox
    zimbraServiceEnabled: mta
    zimbraServiceEnabled: stats
    zimbraServiceEnabled: snmp
    zimbraServiceEnabled: ldap
    zimbraServiceEnabled: spell


    I only have top output of the process from today's event. 8G of ram on this server btw.

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    7087 zimbra 18 0 4152m 2.4g 10m S 198.7 30.7 283:02.41 java

    After a zmcontrol mailbox stop && zmcontrol mailbox start, load is around 0.5.
    It happened again faster than expected. I captured the ps output this time.

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    16165 zimbra 17 0 3792m 2.2g 13m S 150.7 28.5 312:37.38 java

    ps -ef | grep 16165
    zimbra 16165 16164 23 Oct17 ? 05:12:57 /opt/zimbra/java/bin/java -Dfile.encoding=UTF-8 -client -XX:NewRatio=2 -Djava.awt.headless=true -XX:MaxPermSize=128m -XX:SoftRefLRUPolicyMSPerMB=1 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCApplicationStoppedTime -Xss256k -Dsun.net.inetaddr.ttl=60 -Xms3164m -Xmx3164m -Xmn791m -Djava.io.tmpdir=/opt/zimbra/mailboxd/work -Djava.library.path=/opt/zimbra/lib -Djava.endorsed.dirs=/opt/zimbra/mailboxd/common/endorsed -Dzimbra.config=/opt/zimbra/conf/localconfig.xml -Djetty.home=/opt/zimbra/mailboxd -DSTART=/opt/zimbra/mailboxd/etc/start.config -jar /opt/zimbra/mailboxd/start.jar /opt/zimbra/mailboxd/etc/jetty.properties /opt/zimbra/mailboxd/etc/jetty-setuid.xml /opt/zimbra/mailboxd/etc/jetty.xml

    Again, a zmcontrol stop start was needed to bring back to life.

  8. #8
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by JaymeH View Post
    It happened again faster than expected. I captured the ps output this time.
    Both of the bugs mentioned earlier in this thread are fix in the current 7.x version of Zimbra, there's also a patch for 6.0.14 - have you applied that to your server?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  9. #9
    JaymeH is offline Intermediate Member
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    Quote Originally Posted by phoenix View Post
    Both of the bugs mentioned earlier in this thread are fix in the current 7.x version of Zimbra, there's also a patch for 6.0.14 - have you applied that to your server?
    No. The only patch for 6.0.14 that I can find is a French patch of some sort. I did not see a 6.0.14 patch in announcements. Did I miss something? Am I looking in the wrong place?

  10. #10
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by JaymeH View Post
    Did I miss something? Am I looking in the wrong place?
    Probably. You'll find it on the ZCS downloads page.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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