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From "Aram W. Mirzadeh" <...@qosina.com>
Subject Re: "Broken Picture" (fwd)
Date Fri, 15 Sep 1995 20:29:32 GMT

I'm am going to reply to this message. 

<Aram>

At 12:31 PM 9/15/95 -0700, you wrote:
>Forwarded message:
>> From mardy.hutchinson@NetAxis.qc.ca  Thu Sep 14 20:51:51 1995
>> Date: Thu, 14 Sep 1995 23:51:17 -0400
>> Message-Id: <199509150351.XAA12065@netaxis.netaxis.qc.ca>
>> X-Sender: mardy.hutchinson@MailHost.NetAxis.qc.ca
>> X-Mailer: Windows Eudora Version 1.4.3
>> Mime-Version: 1.0
>> Content-Type: text/plain; charset="us-ascii"
>> To: apache-bugs@hyperreal.com
>> From: mardy.hutchinson@NetAxis.qc.ca (Mardy Hutchinson)
>> Subject: Re: "Broken Picture"
>> Cc: apache-bugs@apache.org
>> 
>> At 08:47 AM 9/14/95 -0700, apache-bugs@hyperreal.com wrote:
>> >
>> >we'll look into this
>> >
>> >Sounds like a linux bug.
>> >
>> >> I'm having a very difficult time with Linux 1.2.13 / Apache 0.8.13  (and
>> previous), 
>> >> where, under heavy load (3 - 4  transactions per second ), a lot of
>> requests seem to 
>> >> have their front portion removed.
>> >> 
>> >>   ie, I see request that look like:  " image/jpeg" ,
>> >>      instead of "GET /pics/collets/v.gif HTTP/1.0"
>> 
>> 
>> 
>>    Further:  Upgraded to 1.3.25  -- still a problem.
>> 
>>    
>>    One note:  seems to be related to packet recombination -- if I use a
>> small packet size (100 to 256 bytes), lots of broken pictures.  When I
>> change to a packet size such that the whole request is in one packet, works
>> well.  I can even demonstrate this in the course of one document load.
>> Check out http://prices.com/pics/collets/test2.htm.  Hit "reload", and vary
>> the packet size in Trumpet Winsock.
>> 
>>    The only point where Apache might be failing here, is by doing a
>> non-blocking read on the input -- permitting some form of race condition
>> that allows partial packets to be received.
>> 
>> 
>> Regards -- Mardy Hutchinson
>> 
>> *-------------------------------------------------------------*
>> | NetAxis Inc. -- Your chauffeurs to the Information Highway. |
>> *------------- http://www.netaxis.qc.ca  ---------------------*
>
>
--
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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