Spyder40:

I agree disk access is a tremendous issue....I have a 16 disk raid 10 SCSI U320 
x 4 controllers to deal with it. It doesn't seem to help mysqld after a point. 
I'm fairly certain your correct that this is a mysql tuning problem; as you 
said, zenoss screens on a workstation with very high clock speed cores. 
Additionally I'm finding that the access speed of mysql decreases tremendously 
after you exceed 4 or 5 GB of data; no idea why.

I'd be interested to see someone try to use mysqld 5.4; even willing to try it 
should some one tells me how to proceed. Fortunately, using a virtualized 
platform, its very easy to clone production machines for tests.




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Read this topic online here:
http://forums.zenoss.com/viewtopic.php?p=37454#37454

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