Re: scan_recycle_buffers - Mailing list pgsql-patches

From Jeff Davis
Subject Re: scan_recycle_buffers
Date
Msg-id 1173485854.23455.10.camel@dogma.v10.wvs
Whole thread Raw
In response to Re: scan_recycle_buffers  (Heikki Linnakangas <heikki@enterprisedb.com>)
List pgsql-patches
On Fri, 2007-03-09 at 20:08 +0000, Heikki Linnakangas wrote:
> Simon Riggs wrote:
> > Patch to implement buffer cache recycling for scans, as being discussed
> > on pgsql-hackers.
>
> A few questions come to mind:
>
> How does it behave with Jeff's synchronized seq scans patch?
>

I will test it and post my results. I would expect that the CPU usage
will increase, but it might not make a big difference in the overall
cache hit rate if you count OS buffer cache hits.

Regards,
    Jeff Davis


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