Lag between request and response in server logs

  • Resolved chrisncohen

    (@chrisncohen)


    13 years, 9 months ago

    Hi all. I’m getting slow response times from my server that look like this, with the initial GET showing up the instant I hit enter and then the response being 10-20 seconds after that, but all in a row. Any ideas what I could do to troubleshoot this? I’ve got mysql query cache running, mod_deflate, and am considering implementing zlib compression in the templates (though I haven’t done that yet). WPTuner output is pretty boring and tells me that “nothing is slow” query-wise. define(‘ENABLE_CACHE’, true); is set in wp-config as well. I am not running wp-super cache.

    10.10.100.77 – – [06/May/2011:07:40:09 -0400] “GET / HTTP/1.1” 200 4286
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/style.css HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-includes/js/l10n.js?ver=20101110 HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/bgbody.jpg HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/rss-trans.png HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/more.gif HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/bullet.gif HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/bg-trans.png HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/wpfooter-trans.png HTTP/1.1” 304 –
    10.10.100.77 – – [06/May/2011:07:40:19 -0400] “GET /wp-content/themes/themes/pixel/images/bggrad.jpg HTTP/1.1” 304 –

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  • Thread Starter chrisncohen

    (@chrisncohen)

    UPDATE: turned off all of my plugins and took define(‘ENABLE_CACHE’, true); out of the wp-config.php and problem disappeared. Going back through and adding things one at a time to see what the culprit may have been.

    Thread Starter chrisncohen

    (@chrisncohen)

    UPDATE: I take it back. The lag did not disappear. When I reactivated all the plugins and visited a DIFFERENT site (in my network of WP sites) than the ones I had visited previously, the lag was back. One interesting thing, after I removed define(‘ENABLE_CACHE’, true) from wp-config.php the lag that was on pages I already visited before had dissappeared.

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