On September 5, 2011, Richard Shaw <richard@aggress.net> 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.