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Bug #22624 Mulitple PHP processes launched using 100% CPU
Submitted: 2003-03-10 11:57 UTC Modified: 2007-10-07 12:42 UTC
Votes:4
Avg. Score:4.2 ± 0.8
Reproduced:3 of 3 (100.0%)
Same Version:2 (66.7%)
Same OS:1 (33.3%)
From: webmaster at enterzone dot com Assigned:
Status: No Feedback Package: Performance problem
PHP Version: 4.3.1 OS: WinNT4
Private report: No CVE-ID: None
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 [2003-03-10 11:57 UTC] webmaster at enterzone dot com
WinNT 4 SP6a, all of the latest patches (yea, yea I know). PHP 4.3.1 I am getting 1,2,4, or more process instances of PHP running using 100% CPU. Cannot narrow it down to bad programming code by users or a php.exe problem. Most PHP is running fine. I have a few PHP forums running. I cannot reproduce the problem, but it is increasing. Concerned that it may be a attack. This is now occurring 4 or more times a day. Only option is to kill the errant processes. Sometimes a reboot of the server is mandatory. After killing the processes, normal PHP code in our forums runs fine. There are not any consistent instances of PHP runing in the background unless this problem reoccurs. The PHP.INI is set as follows; max_execution_tim = 30; max_imput_time = 60; memory_limit = 8M . It has now effect on this problem, we have seen it run over 4 hours without a sign of stopping on its own. I don't have the memory usage noted, there is not any unusually high traffic across our network during the instance. Most dynamic pages fail, only static pages are served from IIS, due to the high CPU load. PHP request run, but very slowly as do all request during this time.

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 [2003-03-10 12:25 UTC] magnus@php.net
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at
http://bugs.php.net/how-to-report.php

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.


A reproduce script is needed, and if it is more then 10
lines, please put a link here to it.
 [2003-03-15 18:47 UTC] sniper@php.net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.


 [2008-11-28 10:43 UTC] fhggfj at hg dot fd
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 [2009-01-05 17:41 UTC] oedipean at gmail dot com
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 [2010-04-21 15:56 UTC] gggsty at gmail dot com
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