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Site is incredibly slow problem. (2 posts)

  1. widfara
    Member
    Posted 5 months ago #

    Hello everone;

    We are having trouble of our site for a while. ( http://dizi-mania.com/ ) We are working with dreamhost. Last support tickets i send to dreamhost as below;

    Me: Hi,Regarding our "site is slow" problem; we re-install dizi-mania.com.
    But, same problem occurs again. It is about 2 months and a sent several
    support tickets but this problem is not solved yet.

    Waiting for your solving solutions asap.

    Dreamhost: Hello;
    I apologize for the inconvenience. I looked into this for you and see
    that your Apache service was a bit sluggish. I have restarted it and now
    your site is refreshing with ease. I hope this helps. If you should see
    this behavior happen again, please write us back and we will look into
    moving you to a different Apache service. If you have any further
    questions, please feel free to message me back. :)

    Me:
    Hi;
    we are still having "site is slow" issue. I get that error below;
    "Service Temporarily Unavailable
    The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later."
    and some time when i edit my articles, i save that and get "404 not found" error.

    Waiting for your comments,

    Dreamhost: Hello Burcu,

    I'm currently not seeing any issues with your server but it appears that
    our procwatch script has been occasionally stopping your user 'widfara'
    for high memory usage.

    Thu Mar 20 09:32:30 2014 procwatch3 INFO: PID 16155 (php53.cgi)
    widfara:pg4759360 - killed for uid ram

    This would explain the errors on your site. Procwatch will monitor and
    kill process if there is too much memory consumed by a single user. This
    is in order to keep the server healthy and to prevent any high loads
    which can affect other users on that same server. I see that wordpress
    is running on your site. Please try to optimize it as much as possible:

    -Install and turn on a caching plugin and ensure that your wordpress
    install, plugins, and themes are all up to date.
    -Limit the amount of plugins and remove any unnecessary plugins(even the
    non-active ones).

    The links below should help identify the cause of heavy usage and tune
    your wordpress:

    http://wiki.dreamhost.com/Finding_Causes_of_Heavy_Usage
    http://wiki.dreamhost.com/WordPress_Optimization
    http://www.prelovac.com/vladimir/wordpress-optimization-guide

    If you're still having issues, please consider upgrading to VPS:

    http://wiki.dreamhost.com/VPS
    http://www.dreamhost.com/servers/vps/

    Hope this helps. Please let me know if you have any other questions or
    concerns.

    So, I only have one site and i used only 11 plugins (8 active, 3 inactive) as below;

    Add From Server
    Akismet
    Animated Gif Resize
    Better WP Security
    Contact Form 7
    Easy Image Gallery
    WordPress.com’dan Jetpack
    Regenerate Thumbnails
    tagDiv Social Counter
    WordPress aktarıcısı
    WP-PageNavi

    Do you think any of them cause any problem. Any of you had some trouble as i did ? Any suggestions?

  2. Ipstenu-DH
    DreamHost Rep
    Posted 5 months ago #

    Understanding "Why is my site slow?" is one of the more annoying and cryptic aspects of a website, since it pretty much all comes down to "What are you doing and how?"

    The load on your server is a little high, though not terribly. Looking at your error log (it's in ~/logs/DOMAIN/http/error.log) I see a lot of messages like this: Premature end of script headers: index.php

    Since support already said you had high load (NB A user having high load is not the same as the whole server though they do impact each other), what's happening is that PHP is timing out before it can do everything.

    "Great, Elf Girl, how do I fix that?" you may be thinking. (Yes, I call myself Elf Girl)

    1) You're not running any caching plugins. You're on shared hosting. I would recommend WP Super Cache. When you do set it up, make it use mod_rewrite (aka the .htaccess rules) and not PHP

    2) You're using PageSpeed (YAY!) - Consider some of the pagespeed customizations: http://wiki.dreamhost.com/Page_Speed_Optimization#Customizations

    3) Consider GZIP: http://wiki.dreamhost.com/Htaccess_tricks#Faster_Page_Load_Times_.2F_Bandwidth_Saver - You can speed up load time and it plays nicely with WP Super Cache

    4) Make sure you're not running 'Regenerate Thumbnails' a lot. It's HEAVY on the load.

    5) You may need to bump PHP memory a little, btu I would hold off on that until you do the other things first.

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