time out in one site , but other sites is ok

Discussion in 'General' started by Lite, Nov 4, 2012.

  1. Lite

    Lite New Member

    Hello
    i have strange problem
    i use litespeed for my download server
    i hosted about 6host in my server
    sites on one ip are ok , but sites on other ip have connection time out
    here is i/o wait , seem ok
    Code:
    x86_64_ (16 CPU)
    
    avg-cpu:  %user   %nice %system %iowait  %steal   %idle
               0.41    0.36    3.05    8.92    0.00   87.25
    
    Device:            tps   Blk_read/s   Blk_wrtn/s   Blk_read   Blk_wrtn
    sda             505.45     67617.52       774.03 11294389048  129289096
    sdb             588.83     82499.84       354.71 13780235242   59248728
    dm-0              0.01         0.06         0.00       9976          0
    dm-1             13.75        17.97       106.70    3001332   17821752
    dm-2              4.67         0.25        37.10      42522    6197264
    dm-3              0.02         1.16         0.00     194434        288
    dm-4             22.09       102.10       158.47   17054730   26470584
    dm-5             14.46         8.57       112.83    1431610   18846192
    dm-6           1791.40    149773.57       713.22 25017200482  119132040
    dm-7              1.72       213.49         0.42   35659330      69944
    
    the stranger issue is , heaviest site on server is ok , but some other have a serious problem and get down 13h per day ( connection time out )
    heaviest site is ok when other site get down !!!

    i attached real time state

    Attached Files:

  2. NiteWave

    NiteWave Administrator

    the attached real-time stats helps.

    please note "Http out", it's near 80M Bytes/sec, already reach 1G bps NIC's limit.

    to solve the issue, you can add another 1G bps NIC, and accordingly add 1G bps uplink, then bond the 2 NICs. so your uplink is doubled, from 1G bps to 2G bps.
  3. Lite

    Lite New Member

    Hello
    i think 1GB port , can transfer 128MB/s data , but it near 80MB/s
    that is mean 38percent of 1Gbps port is free
    when i take screenshot and create topic here
    heaviest account have a best response time and maximum speed
    but another account getting time out !
    Last edited: Nov 5, 2012
  4. webizen

    webizen New Member

    You will never reach 128MB/s throughput due to TCP overhead. Depends on traffic pattern, you could get 90-100MB/s for a few large downloads or 40-50MB/s for many small downloads. So your 80MB/s may already hit the limit or close to the limit.

    But for site with timeout, double check from server itself and see if it responds when you get timeout from outside.

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