Question

Fatal error: Maximum execution time of 30 seconds exceeded

Asked by: jessegivy

I have a dynamic MySQL query that's running fine when there are few rows in the result set, but when I increase the limit to 25000 it dies with the error:

Fatal error: Maximum execution time of 30 seconds exceeded in C:\Documents and Settings\jesivy\My Documents\Development\includes\clienttools\simple_xls.php on line 128

Anything to do about this?  I've run the query that was generated by my script in the MySQL QueryBrowser and it returns the rows just fine.

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Asked On
2007-07-13 at 08:56:40ID22694850
Tags

execution

,

time

,

maximum

,

30

,

seconds

Topics

PHP Scripting Language

,

PHP and Databases

,

Miscellaneous Web Development

Participating Experts
3
Points
500
Comments
7

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Answers

 

by: HackneyCabPosted on 2007-07-13 at 08:58:49ID: 19482013

Well, you can increase the time limit before timeout in your php.ini file, but I'm guessing that what you're really after is help diagnosing a slow SQL query. Have you asked for help in the MySQL channel?

 

by: jessegivyPosted on 2007-07-13 at 09:07:54ID: 19482081

I'm not sure there's much of a way to speed up this query, and it's proprietary at any rate.  We're talking about 34 fields and 25000 rows which spans four tables, it's likely to go beyond 30 seconds no matter how optimized it is?  I would be willing to accept any suggestions in general in that regard however.

I'm interested in a possible solution for setting the config variable in script?  I don't want the entire site to have a longer timeout but for this page I think it would be acceptable.

Thanks,

Jesse

 

by: steelseth12Posted on 2007-07-13 at 09:11:10ID: 19482108

<? ini_set("max_execution_time",3600); ?> put this on top of the document ......

this will set max execution time to 3600 secs (1 hour) .... you can change it to whatever you see fit.

 

by: HackneyCabPosted on 2007-07-13 at 09:14:18ID: 19482127

The configuration setting you need is called max_execution_time, and it seems that you can set this during runtime. So you'd be able to modify this value only for this one page. See the page about configuration settings.

http://www.php.net/manual/en/ref.info.php#ini.max-execution-time

 

by: HackneyCabPosted on 2007-07-13 at 09:14:40ID: 19482131

Beat me to it.

 

by: jessegivyPosted on 2007-07-13 at 09:48:10ID: 19482469

You guys rock!  I'm going to leave it up for a bit and posted a question in MySQL, Databases, and SQL Syntax TA's regarding Query Optimization:

http://www.experts-exchange.com/Database/MySQL/Q_22694995.html

 

by: tolgaongPosted on 2007-07-13 at 11:00:05ID: 19483053

set_time_limit(0);

// your processes

set_time_limit(30);

20120131-EE-VQP-002

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