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Subject: Re: Status of CCC Search

Author: Anthony Cozzie

Date: 06:54:52 07/22/04

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On July 21, 2004 at 12:21:38, James Swafford wrote:

>First, my apologies for having the service down this long already.
>I had hoped to have it back up by now.
>
>The search engine lives on a production web server that runs
>a few websites and email for a small ISP that's jointly
>owned by me and two others.  One of our clients has been complaining
>about getting 404 errors _immediately_ after requesting a page
>from their site.  At first I didn't think it was our problem, but
>over time I became convinced it was.
>
>After scratching our heads for a while, we thought we'd stop the
>search engine to see what, if any, effect that would have.  The
>problem struck infrequently enough that it wasn't immediately obvious;
>we'd have to 'wait and see'.  Two (three?) weeks later, there have
>been no complaints.
>
>Andrei has done a great job with the search engine, but it does
>have a (manageable) bug.  Over time, it forks more and more client
>processes and the load average goes through the roof.  I think the
>high load average was the cause of the 404 errors.

While I hate to criticize Andrei's freely given work, infinite forking is _not_
a manageable bug.  Tell him to fix it, and then (as he suggested) run it with
nice 20 (making it the absolute lowest priority on the system).

anthony



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