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Bug #593 run away children w/libphp3.so enabled
Submitted: 1998-07-29 00:07 UTC Modified: 1998-09-02 16:52 UTC
From: teknix at alloy dot net Assigned:
Status: Closed Package: Performance problem
PHP Version: 3.0.2a OS: Solaris 2.6 x86
Private report: No CVE-ID: None
 [1998-07-29 00:07 UTC] teknix at alloy dot net
configure line:

./configure --with-shared-apache=../apache_1.3.1 --with-mysql --with-gd --with-zlib --enable-track-vars --enable-magic-quotes --enable-force-cgi-redirect

system:

recent 2.6 x86 recommended patches installed, using egcs pentium compiler 1.0.3a, tried compiling with and without optimizations (-O6 -mpentium)

problem:

the module compiles fine.  Apache 1.3.1 starts fine.  Within 20 minutes of starting the server, there will be between 50-90 child processes running (they increase steadily as time goes by).  If I comment out the php3 module lines in the httpd.conf and restart, the server runs at its normal 25-30 child processes (even under heavy load after a couple of days).

This problem did not exist when I was running 1.3.0 and php 3.0 (compiled with same compiler listed above, with optimizations).  In any event, I have to keep the php3 module commented out to keep from eventually running out of swap space.

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 [1998-09-02 16:52 UTC] zeev
Did you try PHP 3.0.2a with Apache 1.3.0?  3.0 with 1.3.1?
Did you try running PHP as a built-in module instead of a dynamic module?

If you can truss/strace a stuck httpd for us, it may be very useful.

No response from the user.  Dynamic modules might not be
too hot just yet, especially in 'exotic' platforms like
Solaris x86.
 
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