At a time of slow on my site, these were the MySQL query. What is abnormal?

Question

After several difficulties, I managed to run the query 

SHOW PROCESSLIST

 

And this was the result:

(This is the result of a single query.)

http://imgur.com/7WTCVft

http://imgur.com/6mlgXG5

http://imgur.com/WaEJejL

http://imgur.com/N077NtB

http://imgur.com/Jlag5yt

http://imgur.com/mWJSuSI

 

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You can help?

Comments

That's a lot of processes! I only have 1-2 on my site, but it's not the busiest time right now. Have you increased the number of MySQL processes you run?

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When there is no problem on the site, I see one or two processes to perform the query.
This data is when the error was happening and this large number of cases leaves my site unavailable.
I did not raise the number of processes yet, I'm afraid to be generated more queries and increase overhead.

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Scott, you see something wrong in the processes?

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To be honest I don't know. I checked my site in a busy time and there was still only 1-2 processes showing. So I don't know why you have so many. Are there other sites running on your server, or is it just the Q2A one?

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Hi Scott.
I have only my Q2A site on the server.
This does not always happen. That's what I find strange.
At certain times of great movement, the site is working well and with few queries. At other times there are few users but the site is unavailable.
I can not identify why this happens.

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I have that same problem. Did you find the cause of the problem?

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kalanlarla: Unfortunately, I never discovered the cause. My Q2A site no longer exists.