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Thread: Zimbra Web Client slow...

  1. #1
    Enake is offline Active Member
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    Default Zimbra Web Client slow...

    Hello everybody ...

    From the web client users complain of slowness to:

    - Open messages.
    - Send messages.
    - Save appointments in the calendar.
    - Delete messages.
    - Move messages between folders.
    - Empty Trash folder / Spam folder.
    - Add attatchments.

    Navigation is normal, change between folders or between Calendar/Contacts/Tasks... is very fast.

    The only way I have to fix it by restarting the server. Once rebooted go fast, but after a few days slow reappears.

    I recently added two more gigabytes of RAM, total of RAM now: 3 GB.

    Only 1 processor with HT enabled in BIOS and in the Kernel.

    Code:
    processor       : 0
    vendor_id       : GenuineIntel
    cpu family      : 15
    model           : 2
    model name      : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping        : 9
    cpu MHz         : 2791.225
    cache size      : 512 KB
    physical id     : 3
    siblings        : 2
    core id         : 0
    cpu cores       : 1
    fdiv_bug        : no
    hlt_bug         : no
    f00f_bug        : no
    coma_bug        : no
    fpu             : yes
    fpu_exception   : yes
    cpuid level     : 2
    wp              : yes
    flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr
    bogomips        : 5586.85
    
    processor       : 1
    vendor_id       : GenuineIntel
    cpu family      : 15
    model           : 2
    model name      : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping        : 9
    cpu MHz         : 2791.225
    cache size      : 512 KB
    physical id     : 3
    siblings        : 2
    core id         : 0
    cpu cores       : 1
    fdiv_bug        : no
    hlt_bug         : no
    f00f_bug        : no
    coma_bug        : no
    fpu             : yes
    fpu_exception   : yes
    cpuid level     : 2
    wp              : yes
    flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid xtpr
    bogomips        : 5582.10
    Code:
                 total       used       free     shared    buffers     cached
    Mem:       3117380    1650992    1466388          0     134528     336348
    -/+ buffers/cache:    1180116    1937264
    Swap:      1502036         44    1501992
    Code:
    MemTotal:      3117380 kB
    MemFree:       1465924 kB
    Buffers:        134548 kB
    Cached:         336344 kB
    SwapCached:          0 kB
    Active:        1351864 kB
    Inactive:       196996 kB
    HighTotal:     2228200 kB
    HighFree:       832448 kB
    LowTotal:       889180 kB
    LowFree:        633476 kB
    SwapTotal:     1502036 kB
    SwapFree:      1501992 kB
    Dirty:             740 kB
    Writeback:           0 kB
    AnonPages:     1077820 kB
    Mapped:          71080 kB
    Slab:            90996 kB
    PageTables:       3240 kB
    NFS_Unstable:        0 kB
    Bounce:              0 kB
    CommitLimit:   3060724 kB
    Committed_AS:  3246920 kB
    VmallocTotal:   114680 kB
    VmallocUsed:      3316 kB
    VmallocChunk:   111092 kB
    Hope I find a solution for this slowness.

    Regards.
    Last edited by Enake; 02-24-2009 at 07:20 AM.

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    Default

    What is the output from
    Code:
    zmlocalconfig | grep mailboxd_java_heap_memory_percent

  3. #3
    Enake is offline Active Member
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    Default

    Hi uxbod.

    Code:
    mailboxd_java_heap_memory_percent = 40
    Here is the output.

    Regards.

  4. #4
    uxbod's Avatar
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    Default

    You could try tuning back the amount of memory java takes using
    Code:
    su - zimbra
    zmlocalconfig -e mailboxd_java_heap_memory_percent=30
    and then restarting ZCS.

  5. #5
    Enake is offline Active Member
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    Hi...

    I restart the ZCS with zmcontrol stop and zmcontrol start and the problem persist.

    If you want uxbod, I can realize a video with Wink before and after the server reboots...

    Regards.

  6. #6
    uxbod's Avatar
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    Default

    Are you using the Ajax or standard HTML client ? If you use the HTML one does the issue persist ?

  7. #7
    Enake is offline Active Member
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    I am using the Ajax version.

    In the HTML version, the issue persist.

    Regards.

  8. #8
    uxbod's Avatar
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    Is your ZCS server on the same LAN as the clients ? Do they go through a proxy at all ?

  9. #9
    Enake is offline Active Member
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    OK, I have the videos...

    Perhaps you can identify the problem better.

    In the first video the mailboxd_java_heap_memory_percent is set to 30 and the server was up for 6 days:

    http://www.enake.net/zimbra/before_r...ore_Reboot.htm

    In the second video, the mailboxd_java_heap_memory_percent is set to 40 (default value) and the server is up for 15 mins:

    http://www.enake.net/zimbra/after_re...ter_Reboot.htm

    You can see the huge diference... I don't know what thing is causing this problem...

    Regards.

  10. #10
    Enake is offline Active Member
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    Quote Originally Posted by uxbod View Post
    Is your ZCS server on the same LAN as the clients ? Do they go through a proxy at all ?
    Yes, my ZCS server is in the same LAN as the clients...

    No Proxy.

    I put you the videos... hope this helps..

    Regards.

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