Re: checkpoints/bgwriter tuning verification

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От Vick Khera
Тема Re: checkpoints/bgwriter tuning verification
Дата
Msg-id 2968dfd60910300724n1d085e59pedfb20b2a5ffc62f@mail.gmail.com
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Ответ на Re: checkpoints/bgwriter tuning verification  (Scott Marlowe <scott.marlowe@gmail.com>)
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On Thu, Oct 29, 2009 at 4:42 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
> First step to speed things up is putting pg_xlog on its own disk(s).
> Since pg_xlog is mostly sequentially access, it's much faster when
>

Did that with a symlink.  I always do that.

My frustration is that I have this really fast RAID subsystem
connected via fibre channel to a Sun X4100 with 20GB RAM and AMD
Opterons.  I don't seem to be able to squeeze out the update
performance I really need out of it.

I'm wondering if it is all the FK checks that are slowing me down...

Thanks for responding to help me out.

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