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Re: Not using all processors? [message #33136 is a reply to message #33121] Wed, 24 September 2008 14:00 Go to previous messageGo to previous message
syncmaster4 is currently offline  syncmaster4
Messages: 14
Registered: March 2007
Junior Member
Here's an image of top with mysql under load utilizing only Cpu4; there are multiple queries running. This view shows only mysql threads and they all get used some but it seems only one runs at a time.

I came across the "thread_concurrency" parameter for mysql (v5.0.45) but it is not clear to me if this only applies to SunOS or Linux too. The information I found was not clear (some said only SunOS and others said Linux too). Still digging.

(I think Cpu1 being all zeros across is just timing when I grabbed the image, the processor is working fine.)




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