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Subject: Re: Status of CCC Search

Author: James Swafford

Date: 06:08:14 07/22/04

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On July 22, 2004 at 07:49:21, Bert van den Bosch wrote:

>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.
>>
>>That's really not that big a deal: a 'killall ccc_client' here and
>>there takes care of things (that could even be cron'd).  Andrei
>>suggested looking into the 'nice' command.
>>
>>To make a long story short, here's the deal: the other two
>>that run this business with me aren't crazy about hosting the
>>search engine on production equipment.  They don't want it back
>>on.   BUT... that machine is really mine.  We are ordering two
>>new machines (today).  Once set up, we will migrate the production
>>stuff off of my equipment.  At that point, I'll be able to turn
>>the search engine back on.
>>
>>Until then, I can probably turn it on in the evenings (I'm
>>on EST), but I'm not going to go behind their backs by turning
>>it on during the business day.
>>
>>Just an update for those interested....
>>
>>--
>>James
>
>
>Hi, I always like to make use of the search engine, there's a lot to find, I
>noticed when I am busy with it that after running a few queries on it the engine
>shuts down, which happens every time I am using it.

Haven't heard that... you should report this to Andrei.
His email address is on this page: http://www.chessprogramming.org/cccsearch/

--
James


>
>Well maybe it doesn't matter, I have to use my own brain again if the search
>engine is down :)
>
>greetings Bert



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