| From: | "Andrew Dunstan" <andrew(at)dunslane(dot)net> |
|---|---|
| To: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Andrew Dunstan" <andrew(at)dunslane(dot)net>, "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>, "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Greg Smith" <gsmith(at)gregsmith(dot)com>, "Stefan Kaltenbrunner" <stefan(at)kaltenbrunner(dot)cc>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>, "Alan Li" <ali(at)truviso(dot)com> |
| Subject: | Re: 8.4 open item: copy performance regression? |
| Date: | 2009-06-26 20:37:25 |
| Message-ID: | 50838.71.76.58.95.1246048645.squirrel@dunslane.net |
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| Lists: | pgsql-hackers |
On Fri, June 26, 2009 4:13 pm, Kevin Grittner wrote:
> By the way, the number of xlog files seemed to always go to two above
> 2x checkpoint_segments.
The docs say:
"There will always be at least one WAL segment file, and will normally not
be more than (2 + checkpoint_completion_target) * checkpoint_segments + 1
files."
cheers
andrew
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