Re: WWW Form Bug Report: "Server spins in cgi_handler() and bogs down the machine" on Solaris 2.x

[Rob Hartill <ro...@imdb.com>]

Hi,

Thanks for the information and patch. I'll forward it to the developers
list.

cheers,
rob

vandry@mlink.net wrote:
>
>Submitter: vandry@Mlink.NET
>Operating system: Solaris 2.x, version: 
>Version of Apache Used: 1.1.1
>Extra Modules used: 
>URL exhibiting problem: 
>
>Symptoms:
>--
>Our Apache server (Dual 85MHz SPARCstation 10
>128M RAM) which receives about 6 or 7 hits a
>second in peak usage time would sometimes hang
>for several minutes at a time, continuing to
>accept request, but not processing them. This
>elusive intermittent problem took us 4 months
>to track down, but I do believe the following
>fix will solve the problem:
>
>*** mod_cgi.c   1996/11/13 21:18:05     1.1
>--- mod_cgi.c   1996/11/13 21:18:49
>***************
>*** 323,328 ****
>--- 323,329 ----
>            
>            len_read = read_client_block (r, argsbuffer, len_to_read);
>            if (len_read == 0) break;
>+           remaining -= len_read;
>        }
>      
>        fflush (script_out);
>
>The problem would usually eventually go away
>simply because there's a hard_timeout() on this
>block of code. Request were not processed because
>the machine was overloaded with 2 or 3 spinning
>httpds, I guess.
>
>I installed the fix only 5 minutes ago, I hope
>this will solve the problem.
>
>-Phil
>--
>
>Backtrace:
>--
>
>--
>


-- 
Rob Hartill.       Internet Movie Database Ltd.    http://www.imdb.com/