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From Steiner@hyperreal.com, Hugo <h...@hunterlink.net.au>
Subject other/299: server stops serving for a period and then resumes with no messages
Date Wed, 02 Apr 1997 07:40:03 GMT

	The contract type is `' with a response time of 3 business hours.
	A first analysis should be sent before: Wed Apr 02 11:00:03 PST 1997


>Number:         299
>Category:       other
>Synopsis:       server stops serving for a period and then resumes with no messages
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    apache (Apache HTTP Project)
>State:          open
>Class:          duplicate
>Submitter-Id:   apache
>Arrival-Date:   Tue Apr  1 23:40:03 1997
>Originator:     hugo@hunterlink.net.au
>Organization:
apache
>Release:        1.2b7
>Environment:
OS:		Digital Unix 4.0B, no patches.
Compiler:	gcc
>Description:
The web server stops serving documents. Connections continue to be accepted,
however, no data is returned.

This typically lasts about 20 minutes and then goes away.

Killing a child or sending a SIGHUP will cause the server to resume (Signal?)

The parent is typically in a wait call.

The same problem was experienced with 1.1.3

This resembles PR256 which was reported on BSDi


In addition to this, we seem to have hit a limit in virtual servers of about 22
when more than this are confiugred up, you get a 'Can't bind to xxx.xxx.xxx.xxx'
on the last  VIP in the http.conf file. This also happens with 1.1.3. Chnaging 
the memory allocation size from 8k to 16k increases the number of servers that 
can be configured.
>How-To-Repeat:
Unsure. Generally it seems to happen when the server has been up for more than 
6 hours. however it has also happened a couple of times within this period.	
>Fix:
Chnaging the memory allocation size from 8k to 16k increases the number of 
servers that can be configured.

Unfortunatley,  no other pointers are availible
>Audit-Trail:
>Unformatted:



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