| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Greg Smith" <greg(at)2ndquadrant(dot)com> |
| Cc: | "Hannu Krosing" <hannu(at)2ndquadrant(dot)com>, "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Peter Hussey" <peter(at)labkey(dot)com>, "pgsql-performance" <pgsql-performance(at)postgresql(dot)org>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Questions on query planner, join types, and work_mem |
| Date: | 2010-08-04 20:46:05 |
| Message-ID: | 4C598B3D0200002500034207@gw.wicourts.gov |
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| Thread: | |
| Lists: | pgsql-performance |
Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> Was trying to demonstrate the general ability of pg_stat_bgwriter
> snapshots at points in time to directly measure the buffer
> activity Hannu was theorizing about, not necessarily show a useful
> benchmark of any sort with that.
Ah, OK. Sorry I didn't pick up on that; I was struggling to tease
out some particular effect you expected to see in the numbers from
that particular run. :-/
-Kevin
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