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Asked: 2026-05-27T13:14:03+00:00

I have a server (VPS) that hosts numerous PHP / MySQL websites. Most are

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I have a server (VPS) that hosts numerous PHP / MySQL websites. Most are quite similar in that they are all hand-coded websites serving text and images from MySQL databases.

Server traffic has increased a fair amount recently and the server is experiencing some slow down. As such I want to try and identify bottle necks in the server so that I can improve the server’s speed.

Does anyone have any tips on how to do this? I have setup timing scripts on some of my larger sites to see how long it takes for the webpages to be created but its always a really low figure. According to the server stats the main issue seems to be CPU / MySQL usage. Is there anyway to identify queries that are taking a long time?

Thanks
Chris

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1 Answer

  1. Editorial Team

    Yes, there is a way! MySQL has a built-in feature for this. You can set up a log file to log slow queries.

    Other general advice would of course be to use EXPLAIN on common queries and check if everything is indexed properly.

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