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Thread: Very slow

  1. #1
    aun_chino's Avatar
    aun_chino is offline Junior Member
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    Default Very slow

    My Server is HP DL580G5
    Raid Controller 128 MB
    HDD S-ATA 500 GB x 4 Unit (build-raid 5)

    Install CentOS 5.3
    Install Zimbra

    My problem is the mail system very slow, I check from TOP and found process ID but WA was very high.

    Please advise for this problem.

    Verapong
    verapong.t@gmail.com

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    How much RAM on this server and how many users? It's not advisable to use a RAID5 for Zimbra: Performance Tuning Guidelines for Large Deployments - Zimbra :: Wiki
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    aun_chino's Avatar
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    Quote Originally Posted by phoenix View Post
    How much RAM on this server and how many users? It's not advisable to use a RAID5 for Zimbra: Performance Tuning Guidelines for Large Deployments - Zimbra :: Wiki
    Total Memory = 10 GB
    Total Users = 50 Users or more

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    Top and phoenix are both telling you your problem... your system is sitting there waiting on I/O. Your RAID array is not keeping up the performance level your system needs.

    (wa in top for linux systems tells the amount of time the processor was doing nothing, but still blocked while waiting on I/O)

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    aun_chino's Avatar
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    Quote Originally Posted by ArcaneMagus View Post
    Top and phoenix are both telling you your problem... your system is sitting there waiting on I/O. Your RAID array is not keeping up the performance level your system needs.

    (wa in top for linux systems tells the amount of time the processor was doing nothing, but still blocked while waiting on I/O)
    Thank you very much, I think the problem is RAID5 and S-ATA Harddisk.
    I will try to solve again please advise for stable hardware.

    Regards,
    Verapong

  6. #6
    phoenix is offline Zimbra Consultant & Moderator
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    Read the link I gave you earlier.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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