Server Load

Here are some useful commands to check server load.

iostat shows disk IO usage. %iowait shows how much time the process waits for disk operation. This should be 0. If you are on VPS, check for %steal to see if the host server is overloaded.

Checks for processes in ā€˜Dā€™ state

Top processes using CPU resources

Check Running Process

Check For Bad Scripts

WPRobot plugin for wordpress take lot of cpu usage, find sites using WPRobot

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