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Reply to topic   Topic: Apache httpd process consumes all memory right after start
Author
duir



Joined: 16 May 2008
Posts: 2
Location: Prague

PostPosted: Fri 16 May '08 21:28    Post subject: Apache httpd process consumes all memory right after start Reply with quote

Hello,

I have a very weird problem that I've been playing with over the last few days but failed to figure it out.

Symptoms:
- Immediately after the Apache service is started, two httpd processes are created and one of them (the child apparently) keeps on consuming all available memory until it causes the workstation to seize any operation
- The error logs gets tons of identical messages like: "[error] (OS 10022)An invalid argu
ment was supplied. : Child 3408: Encountered too many errors accepting client connections. Possible causes: dynamic address renewal, or incompatible VPN or firewall software. Try using the Win32DisableAcceptEx directive."

Environment:
- Notebook DELL Latitude D630, 2 CPUs, 3 GB RAM
- Apache (latest stable) version Apache/2.2.8 (Win32)
- MS Windows XP Professional SP 3
- AVG 7.5 Anti-Virus Network Edition
- (Windows Firewall not running)

Solution attempts:
- Using only a single CPU (BiOS switch) = no effect
- Installing older versions of Apache including the 1.x line = same behaviour
- Listening at port 8080 instead of the default 80 = no effect
- Adding the Win32DisableAcceptEx directive to httpd.conf = now the behaviour differs:
o the httpd child process stays at moderate cca 6.5 MB memory
o the error.log contains no error messages (and says that "Disabled use of AcceptEx() WinSock2 API")
o but when I try to look at http://localhost the browser keeps loading until it says that the page is not available
o similar behaviour is when I try communicating raw HTTP instructions over "telnet localhost 80" - it says that we're connected, but then never answers a GET request

I would be very grateful for about any idea what to do.

Thanks
Duir[/u]
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 7371
Location: Germany, Next to Hamburg

PostPosted: Mon 26 May '08 14:03    Post subject: Reply with quote

try adding Win32DisableAcceptEx to your httpd.conf and restart
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duir



Joined: 16 May 2008
Posts: 2
Location: Prague

PostPosted: Mon 26 May '08 14:37    Post subject: Reply with quote

Thank you for your answer, but look at the "Solution attempts", where I describe the effects of this.

Thanks
Duir
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