WP 2.1 Performance

Comments

1. Marcus (3 comments.) says:

   2/11/2007 at 7:17 pm

   I can also see a little performance boost on loading my website with WP 2.1. I also deleted before the upgrade the (old) cache and then it runs faster.
2. John Keegan (1 comments.) says:

   2/11/2007 at 7:31 pm

   Great information, we’re optimizing some servers for WordPress hosting so your post is very useful.

   What can you tell us about the server you’re hosting on and the level of traffic on that server? Are there other sites hosted on this server or does this site have exclusive use of the server? Is it a full dedicated machine or a VPS?
3. Mark (386 comments.) says:

   2/11/2007 at 7:58 pm

   John, added the details to the main post.
4. Marcus (3 comments.) says:

   2/11/2007 at 8:24 pm

   It is the apache server from my webhoster. But as far as I know, there are other websites on it and the traffic is high.

   I can see it with the faster rendring with my (same) firefox browser, same WP theme and then the faster time in sec in the footer in the wp-admin-panel. Wp 2.1 is great for me.

   The only thing is really the /cache/… files.
5. Nemo (5 comments.) says:

   2/11/2007 at 9:32 pm

   Have you noticed any difference in page generation times? Going from 1.5 to 2.0 increased my page-generation times, all other things being the same, by about 40%. That’s with WP-Cache, on a server with Eaccelerator, though. I haven’t taken the time to see if disabling either of those makes much of a difference.
6. Mark (386 comments.) says:

   2/11/2007 at 9:38 pm

   Nemo, that is hard for me to determine since I switched from an old theme to this new version right before I did the upgrade and the numbers blend together in my mind.
7. Ajay (72 comments.) says:

   2/11/2007 at 11:17 pm

   What query caching did you mention? Are you using the default WordPress cache? I noticed major performance issues with the object cache of WordPress for 2.0 on my blog and 2.1 on a friends.
8. John Keegan (1 comments.) says:

   2/12/2007 at 3:50 am

   Thanks for adding that info about your server, Mark.

   10-15,000 page views a day is a significant number of page views for any site, but it breaks down to around a single page view every 6 seconds, and as your server graph shows it seems to be handling the load just fine. Your traffic could probably increase an order of magnitude and I bet your server could handle it with little change in response times.

   In our load testing the single most significant factor in reducing page load times as well as server loads has been WP-Cache2. Eaccelerator can have an effect on a server on which you don’t want to install WP-Cache2 , but using WP-Cache2 can increase throughput 10x or more…
9. Lorelle (12 comments.) says:

   2/12/2007 at 12:51 pm

   I’m getting grief from my host. Do you have an average count on how many SQL queries hits your database per hour before and after WordPress 2.1? They have put a cap on SQL queries and right now, I’m surpassing that on a regular basis and they shut down my site for an hour to “reset” the count. This sucks, so I’m looking for statistics to fight back against their low setting.

   Thanks.
10. Mark (386 comments.) says:

    2/12/2007 at 1:03 pm

    Lorelle,
    I do not have that information. However, we can run some average numbers.
    On average I get 10,000 pageviews a day, about 10% of them are to the main page, which requires 56 queries and the rest are to single pages, which require 29 queries each. Of course, there are hits on page such as the menu and archives, but let us just leave those out.
    So, I generate (9000 x 29) + (1000 x 56) queries a day.
    So, the average number of queries per hour would be 317000 / 24 = 13208 queries per hour on average, give or take a few thousands. This is also considering that I have query caching and certain MySql optimizations in place. This is only for this blog.

    MyTop shows 21 queries per second since MySql was rebooted (since the upgrade). Jeremy’s MyTop is a great tool for MySql kind of stuff. Check it out if you can.

    Hope this helps
11. sufehmi (1 comments.) says:

    6/8/2007 at 10:43 pm

    I was asked to optimize a server which host one WordPress website. The server keeps on falling down several times a day. We optimized from MySQL, working our way up to Apache (mysql query cache, wp-cache, etc) – and the website was still overloaded.

    Then I slapped Squid in front of Apache; and server load took a dive into just about 3%-5%.

    Of all the “increasing wordpress performance”, I’m yet to find a post which gives Squid a good review, so here’s one

    Now it’s getting about 70K daily pageviews AND many are from high-speed leech/crawlers (such as Teleport Pro) which can easily overload servers, and it doesn’t even sweat.
    Last time I checked, their pageviews just keep on increasing, because the website is so much faster and always up.

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