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  1. #1
    Join Date
    Mar 2009
    Posts
    3,700

    can not load page well when slow network connection

    Hi,

    sometimes,i need to stay at some house,
    and the network speed is very slow and bad quality.

    when i try to browse my sites on different servers,
    it will take long time to load page,
    sometimes it load successfully,but sometimes fail and show with error( 118 (net::ERR_CONNECTION_TIMED_OUT): timeout under chrome),

    but the same time,i try to browse other shop mall site,
    no matter how long it take to load the page,
    it will never show with as timeout or any error result,
    do you know why it is ? should i modify any setting to let my server to work well ?

    my servers are centos.cloudlinux with apache or nginxcp.


    thanx

  2. #2
    Join Date
    Jul 2008
    Location
    Atlanta GA
    Posts
    293
    You said it all with "network speed is very slow and bad quality". Only thing I can suggest is to disable TCP Segmentation Offload (also known as Large Send Offload) on the NIC.
    System Administrator
    Supporting Linux and Windows
    http://peerwisdom.org/

  3. #3
    Join Date
    Mar 2009
    Posts
    3,700
    can you please tell me more detail ? thanx

  4. #4
    Join Date
    Jun 2012
    Location
    Amsterdam
    Posts
    13
    This means it takes too long for your server to respond, so the browser (Chrome) decided to give up. Maybe your server is located further away than these other websites?

  5. #5
    Join Date
    Mar 2009
    Posts
    3,700
    no,my servers are at IDC,i think it should be my server's setting,about disable TCP Segmentation Offload,how can i do ? thanx

  6. #6
    Join Date
    Mar 2009
    Posts
    3,700
    Does any expert know this ? Thanx

  7. #7
    Join Date
    Aug 2011
    Location
    India
    Posts
    288
    Please perform traceroute or tracert to the domain to check if any network issues are present during the path. This will help us to identify whether ant network connection issues actually exists. Also check the issue after switching to another ISP.
    Fred Bruner
    Business Analyst
    SupportSages.com- Bytes of Wisdom @ Work - Where guarantees and promises are made to keep!
    24/7 Support with 15 mins response time & no charge guarantees

  8. #8
    Join Date
    Mar 2003
    Location
    Jaipur, India
    Posts
    643
    You should try with :-
    http://www.site24x7.com
    In this you can monitor websites, email, If any failure, you’ll get instant alerts

    You should ask hosting provider for latency issue with their data center.
    RackNap
    Business Automation Platform for Web Hosting and Cloud Solution Providers

  9. #9
    Join Date
    Mar 2009
    Posts
    3,700
    i do not think it is site/server down,i wonder how to tune it better.

  10. #10
    Join Date
    Mar 2009
    Posts
    3,700
    is it possible any timeout setting make the issue ? thanx

  11. #11
    Join Date
    Mar 2003
    Location
    Jaipur, India
    Posts
    643
    Hi,

    I think you should find our the particular IP's from :-

    netstat -an | grep :80 | sort
    This will show only active Internet connections to the server, See if you find any unusual activity.

    netstat -n -p|grep SYN_REC | wc -l
    Check if DoS attack is happening, incidents or mail bombs, the number can jump to pretty high.

    Find out those IP's which you find making high concurrent connections, try to stop them in your /etc/hosts.deny file.
    RackNap
    Business Automation Platform for Web Hosting and Cloud Solution Providers

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