What's holding up my PHP script?

Posted by gAMBOOKa on Stack Overflow See other posts from Stack Overflow or by gAMBOOKa
Published on 2010-05-10T16:26:30Z Indexed on 2010/05/10 17:24 UTC
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We've got a PHP crawler running on our web server. When the crawler is running, there are no cpu, memory or network bandwidth spikes. Everything is normal. But our website (also PHP), hosted on the same server, stops responding. Basically the crawler blocks any other php script from running.

What could be the problem?

EDIT:

** fsockopen is being used to download files to crawler! **

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