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We have purchased a 20 Gb and 512 MB ram box from rackspace. We have installed apache2, php5 and mysql to run a website (shopping site). The problem from last 4 days is that after some requests the apache process are multiplying and the server is coming to halt (not responding). To test the number of requests we tried siege -c25 -t1M and after 10 request we get Connection time out .

Can anyone tell whats the problem.

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Can you check what your memory usage looks like once you hit those 10 clients and provide the output of vmstat here? Also what's the output of free -m at that point as well? – Linztm Jul 3 '12 at 21:21

What are you seeing in /var/log/apache2/*error.log.

Are you seeing "server reached MaxClients setting, consider raising the MaxClients setting"

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No... nothing like that in error.log – jimy Feb 10 '12 at 8:41
up vote 0 down vote accepted

Fixed it. The problem was not with the server. The problem was with the code.

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