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On September 5, 2011, Richard Shaw <richard@xxxxxxxxxxx> wrote: > Hi Andy, > > It's not a new issue no, It's a legacy system that is in no way ideal but > is also not in a position to be overhauled. Indexes are correct, tables > are up to 25 million rows. > > On startup, it hits CPU more than IO, I'll provide some additional stats > after I restart it tonight. I bet it's I/O bound until a good chunk of the active data gets cached. Run a vmstat 1 while it's that busy, I bet most of the cpu time is really in io_wait. |
