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From "Aram W. Mirzadeh" <...@qosina.com>
Subject Re: linux problem ["James H. Cloos Jr." <cloos@io.com>] (fwd)
Date Thu, 31 Aug 1995 13:21:20 GMT

The problem is being worked on by serveral apache users, me and serveral
linux tcp people.  I'll be in touch by noon with an update. 


At 11:17 PM 8/30/95 -0700, you wrote:
>
>Can we *please* have someone using Linux, who can recreate this problem, 
>find out exactly where in the steps from 0.8.9 to 0.8.11 this behavior 
>started showing up in Linux?  I.e., recreate each level by the patches 
>submitted and implemented.... I'm not sure this occurs with 0.8.10 so 
>that's why I thought I would bring it up.  Failing that, is there a way 
>to bring this to a Linux networking guru's attention?  Having a 
>repeatable failure condition would be very useful.
>
>I won't be able to get to it this weekend (I'll be in the middle of 
>black rock desert in nevada with about 5000 other people burning a 6 
>story high wooden man and parasailing behind a car and other fun 
>activities :), but next week I'm going to try turning that list of 
>requirements for a test suite I gave the other day into a system of perl 
>scripts and standard test config files.  
>
>	Brian
>
>On Wed, 30 Aug 1995, Brian Behlendorf wrote:
>> ---------- Forwarded message ----------
>> Date: Thu, 31 Aug 1995 01:11:51 -0500
>> From: "James H. Cloos Jr." <cloos@io.com>
>> To: new-httpd@hyperreal.com
>> Subject: Re:  linux problem
>> 
>> Robert> Hmmm... this *could* be some kind of scheduler anomaly, with
>> Robert> long-lived server processes --- has anyone tried setting
>> Robert> MaxRequestsPerChild to a low value, and seeing if that changes
>> Robert> things?
>> 
>> I tried that this afternoon.  I cut the MaxRequestsPerChild from 30 to
>> 6, and got about 1600 sockt failures and about 100K hits in the next
>> 12 hours.  This compares with 2388 socket errors and 170K hits in 24
>> hours before the change.
>> 
>> Doesn't seem to have made much of a change.
>> 
>> -JimC
>> -- 
>> James H. Cloos, Jr.	Snail:	POBox 18122 Austin, TX 78760-8122   Usenix,SAGE
>> cloos@io.com		URL:	http://www.jhcloos.com/~cloos/      LPF
>> 
>
>--=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=--
>brian@organic.com  brian@hyperreal.com  http://www.[hyperreal,organic].com/
>
>
--
Aram W. Mirzadeh, MIS Manager, Qosina Corporation
http://www.qosina.com/~awm/, awm@qosina.com
Apache httpd server team http://www.apache.org



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