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  1. #1

    Monitor perfromance

    Hi,

    I've launched a free service and would need to monitor the performance of my server so that I know when it is full.

    Any good ideas?

    When using top, what would be OK/HEAVY/BAD values of CPU? I only got a couple of hundred mb RAM left but I guess the rest is taken by idle apache daemons.


    Thanks
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  2. #2
    Join Date
    Oct 2004
    Posts
    133
    What is the server configuration ?

  3. #3
    Hardware:

    Dual Xeon 2,4 Ghz
    1 GB Ram (4 GB upgrade possible)
    Hardrive: 2 software RAID mirrored IDE drives



    Running: Fedora Core 3, Apache with PHP, Mysql.




    Apache config:

    Timeout 120
    KeepAlive Off
    MaxKeepAliveRequests 100
    KeepAliveTimeout 15


    <IfModule prefork.c>
    StartServers 8
    MinSpareServers 5
    MaxSpareServers 20
    ServerLimit 256
    MaxClients 256
    MaxRequestsPerChild 4000
    </IfModule>


    <IfModule worker.c>
    StartServers 2
    MaxClients 150
    MinSpareThreads 25
    MaxSpareThreads 75
    ThreadsPerChild 25
    MaxRequestsPerChild 0
    </IfModule>


    Top currently gives:

    top - 18:19:11 up 127 days, 8:41, 2 users, load average: 0.67, 0.52, 0.46
    Tasks: 95 total, 3 running, 92 sleeping, 0 stopped, 0 zombie
    Cpu(s): 29.0% us, 5.6% sy, 0.0% ni, 65.2% id, 0.0% wa, 0.1% hi, 0.1% si
    Mem: 1034024k total, 897848k used, 136176k free, 108852k buffers
    Swap: 4192944k total, 144k used, 4192800k free, 494868k cached
    www.jinity.com - Start an internet community website for free

    We are the children who grew to fast. We are the dust of a future past.

  4. #4
    Join Date
    Sep 2004
    Location
    Uk
    Posts
    423
    With 127 day's of uptime i would be worried about kernel upgrade's etc , what OS and kernel are you running ?

  5. #5
    As I said, Fedora Cora 3. But please what I'm interested in is meassuring the performance.

    Is there for example a way to see how many apache sessions that is alive and actually consuming RAM?

    I'll be happy to discuss upgradding and patchnig afterwords.
    www.jinity.com - Start an internet community website for free

    We are the children who grew to fast. We are the dust of a future past.

  6. #6
    Join Date
    Sep 2004
    Location
    Uk
    Posts
    423
    I was interested in what kernel mostly

  7. #7
    Join Date
    Dec 2004
    Location
    Downers Grove, IL
    Posts
    174
    I believe Nagios (http://www.nagios.org) can be used to monitor the load on remote servers, and alert you to events such as low disk space, bad ping times, etc.
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