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  #1  
Old 10-25-2008, 04:50 PM
Lea Verou Lea Verou is offline
 
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Default Server unresponsive - Any ideas?
Lately, many users were complaining about the site being slow (I also experienced such issues myself).

We installed microstats and found out that the problem is that those times that the page takes a long time to load, its because of PHP, and not mySQL (for instance: Page generated in 29,596240 seconds (99,26% PHP - 0,74% MySQL) with 25 queries).

If it was mySQL, it would be easier to troubleshoot it and find out which queries are slow. But how do I proceed now, that PHP is the problem?

Note: It doesn't happen every time a page is loaded, but some of the times.
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Old 10-25-2008, 05:50 PM
Shamil. Shamil. is offline
 
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Can you give us more information e.g, shared server, VPS, dedicated. Processor type/power, RAM. What Web Server software, e.g Apache/nginx etc.
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Old 10-25-2008, 06:54 PM
Lea Verou Lea Verou is offline
 
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I'm sorry, you're right, I should have provided more information.
The server is a dedicated server at rackspace.
  • Memory: 6 GB DDR RAM
  • Hard Drive: 250GB SATA
  • Hard Drive: 250GB SATA
  • Whitebox Server: Dual Socket Dual Core AMD Opteron 2214HE
  • Linux OS: Red Hat Enterprise Linux 5 - 64 bit
The web server software is Apache.

--------------- Added [DATE]1224964644[/DATE] at [TIME]1224964644[/TIME] ---------------

By the way, when I disabled hooks (for myself only) it was still slow sometimes, even though the page generation time (provided by debug mode) was much less.
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Old 10-25-2008, 07:15 PM
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Lynne Lynne is offline
 
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Have you already posted in the Server Configuration forum over at vb.com to get your server optimized?
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Old 10-25-2008, 08:25 PM
Lea Verou Lea Verou is offline
 
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Quote:
Originally Posted by Lynne View Post
Have you already posted in the Server Configuration forum over at vb.com to get your server optimized?
No, should I?
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Old 10-25-2008, 09:23 PM
azn_romeo_4u azn_romeo_4u is offline
 
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Update your php maybe? Have you check your server error logs? Installed any mods lately?
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Old 10-25-2008, 10:07 PM
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Lynne Lynne is offline
 
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Quote:
Originally Posted by Michelle View Post
No, should I?
I would recommend it. They have helped me get each of my servers running well (we've moved servers or changed configurations a few times over the years).
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Old 10-26-2008, 08:50 AM
Lea Verou Lea Verou is offline
 
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Quote:
Originally Posted by azn_romeo_4u View Post
Update your php maybe? Have you check your server error logs? Installed any mods lately?
PHP is quite up to date (version 5.2.x). I haven't installed any mods lately (but I'm constantly adding some of my own). Nothing weird in the server error logs.

@Lynne: Thanks, I'll give it a try!
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Old 10-26-2008, 10:05 AM
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Angel-Wings Angel-Wings is offline
 
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Hmmm - maybe some PHP issues.

Can you copy the board to a test environment enabling the PHP error reporting in case there's something wrong ?
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Old 10-26-2008, 12:51 PM
Shamil. Shamil. is offline
 
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What's your RAM usage? Try doing a grep command
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