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Thread: [SOLVED] Add another MTA to existing installation

  1. #1
    oldboy is offline Junior Member
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    Exclamation [SOLVED] Add another MTA to existing installation

    Hello,
    We currently have a CentOS4 32bits with 4.5.11 running in a box with a AMD64 3000+ and 4GB RAM And about 50 Users mostly POP3 users and a few Web users. Lately we´ve experienced loooong times when sending emails (2-3 mins) specially from outlook, and sometimes outlook gives a timeout error. The network its fine also DNS. I think the specs on the server cant handle the load.

    This is the what the top command shows
    Code:
    top - 10:42:15 up 7 days,  2:19,  1 user,  load average: 6.77, 6.72, 5.52
    Tasks: 142 total,   1 running, 140 sleeping,   0 stopped,   1 zombie
    Cpu(s):  6.3% us,  1.3% sy,  0.0% ni,  0.0% id, 91.4% wa,  1.0% hi,  0.0% si
    Mem:   3598536k total,  3575648k used,    22888k free,    12600k buffers
    Swap:  5116692k total,    35280k used,  5081412k free,  1619208k cached
    So my question is, do you think that if I add another MTA server ill be able to send mails faster?

    Thanks for the help

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    First thing would be to identify why your server is running with a load > 6! When it is at its peak what is sat on the top of your process queue ? Have you modified the SpamAssassin installation at all ? Any additional RBLs ? You should also look to upgrading your ZCS installation at some point aswell. If you could update your profile as well as that is a little out of date now

  3. #3
    oldboy is offline Junior Member
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    Quote Originally Posted by uxbod View Post
    First thing would be to identify why your server is running with a load > 6! When it is at its peak what is sat on the top of your process queue ? Have you modified the SpamAssassin installation at all ? Any additional RBLs ? You should also look to upgrading your ZCS installation at some point aswell. If you could update your profile as well as that is a little out of date now

    Yes I have modified the spamAssasin install to block spoofers, but the server was already over 6 when i did that.
    I dont want to upgrade until I dont solve this, I also been thinking to change to a more powerful box with Ubuntu.
    Profile updated :P
    This the TOP output
    Code:
    top - 09:50:41 up 10 days,  1:28,  2 users,  load average: 6.76, 5.22, 4.44
    Tasks: 134 total,   2 running, 132 sleeping,   0 stopped,   0 zombie
    Cpu(s):  8.7% us,  1.0% sy,  0.0% ni,  0.0% id, 89.0% wa,  1.3% hi,  0.0% si
    Mem:   3598536k total,  3592812k used,     5724k free,     9152k buffers
    Swap:  5116692k total,     5104k used,  5111588k free,  2409744k cached
    
      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
    23307 zimbra    16   0  119m  26m 3640 S  9.7  0.8   7:06.63 mysqld
      337 root      15   0     0    0    0 D  0.3  0.0  14:26.59 kjournald
    24031 postfix   16   0  7860 1732 1328 S  0.3  0.0   0:00.02 tlsmgr
        1 root      16   0  1796  552  472 S  0.0  0.0   0:00.85 init
        2 root      34  19     0    0    0 S  0.0  0.0   0:00.45 ksoftirqd/0
        3 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 events/0
        4 root      10 -10     0    0    0 S  0.0  0.0   0:00.00 khelper
        5 root      15 -10     0    0    0 S  0.0  0.0   0:00.00 kacpid
       40 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 kblockd/0
       41 root      15   0     0    0    0 S  0.0  0.0   0:00.00 khubd
       61 root       9 -10     0    0    0 S  0.0  0.0   0:00.00 aio/0
       60 root      15   0     0    0    0 S  0.0  0.0   7:17.54 kswapd0
      205 root      25   0     0    0    0 S  0.0  0.0   0:00.00 kseriod
      324 root       6 -10     0    0    0 S  0.0  0.0   0:00.00 ata/0
      326 root      22   0     0    0    0 S  0.0  0.0   0:00.00 scsi_eh_0
      327 root      23   0     0    0    0 S  0.0  0.0   0:00.00 scsi_eh_1
      330 root      19   0     0    0    0 S  0.0  0.0   0:00.00 scsi_eh_2

  4. #4
    oldboy is offline Junior Member
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    Any recomendations anyone?
    Mails sent between Zimbra users at 10:00 am are arriving at 2:00 pm. I really need your comments.

  5. #5
    bdial's Avatar
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    mysql chewing your processor usually indicates log corruption

  6. #6
    oldboy is offline Junior Member
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    Quote Originally Posted by bdial View Post
    mysql chewing your processor usually indicates log corruption
    How do I check if I have any corruption in the logs?

  7. #7
    oldboy is offline Junior Member
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    I have found this in /opt/zimbra/logger/db/data/my.server.com.err and it seems like its been throwing this error for a bout 3 months now, and theres thounsands of lines like this.
    Could this be causing for my server to be so slow?

    Code:
    080810  1:10:04 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:04 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080810  1:10:05 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:24 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:24 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed
    080811  1:10:32 [ERROR] /opt/zimbra/logger/mysql/libexec/mysqld: Table './zimbra_logger/mta' is marked as crashed and last (automatic?) repair failed

  8. #8
    mmorse's Avatar
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    su - zimbra
    logmysql zimbra_logger
    check table mta;
    repair table mta;

    After that you might as well check the others:
    show tables;
    check table NAME;

  9. #9
    oldboy is offline Junior Member
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    SOLVED... well kind of...
    I had to stop the Logger service, because repairing the tables was causing my server to hang. Im waiting for a new box to upgrade to 5.x.x

  10. #10
    Aleks is offline Active Member
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    Hi
    Just a stupid question...
    In time when table was corrupted, did graphs in admin worked?

    I have a same problem and I think graphs are probably the indicator for wrong hostname and/or logmysql corrupted table.
    Thanks for mentioning a server hang when repairing table!

    Regards, Alex

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