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Re: Checkpoint_segments optimal value

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On 7/17/2014 5:36 PM, Prabhjot Sheena wrote:
The overall load of system is good. It is a vm but the other database is running normal and not doing much activity


other database? is that on the same postgresql cluster? or on a seperate instance of the postgres server on the same VM? or on a seperate VM on the same host ?

what does `iostat -x 5` show ? let it run a bunch of samples, then run this slow query and get more samples. pay attention to the disk drive(s) the database is stored on.

high %utilization or await times would be a bad thing.

--
john r pierce                                      37N 122W
somewhere on the middle of the left coast




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