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I have a problem with my server, which hosts several sites with circa 400 concurrent visits at peak time.
The problem is that every few hours the load of the server gets very high for a minute or so, and then it will get back to normal again; this load peak makes my sites really slow to reach or not reachable at all. This is the output of top during a high load spell:

Server top output

I also noticed that sometimes this high load not related to the peak time. I also tried to tune the MYSQL but nothing changed.

My sever details:
Processor 1x Intel Quad-Core Xeon X3440 [ 4 Core(s) ]
RAM 16 GB

Alessandro Dotti Contra
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Ali Coder
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1 Answers1

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Sorry, but everyone is going to vote to close this. In order to identify where the problem (likely) lies a competent analyst would need megabytes of log files, not a screenshot of 'top'. Describing the right questions to ask would fill a small book.

I would recommend using the slow query log (with a long query time of 0) as preferable to using the general log for analyzing performance problems, but a high load in combination with slow performance tends to point the finger elsewhere than the dbms.

symcbean
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