| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Greg Smith <gsmith(at)gregsmith(dot)com>, Hannu Krosing <hannu(at)krosing(dot)net>, Aidan Van Dyk <aidan(at)highrise(dot)ca>, Kyle Cordes <kyle(at)kylecordes(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Improving compressibility of WAL files |
| Date: | 2009-01-09 17:44:33 |
| Message-ID: | 200901091744.n09HiXp18792@momjian.us |
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| Lists: | pgsql-general pgsql-hackers |
Tom Lane wrote:
> "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> writes:
> > Greg Smith <gsmith(at)gregsmith(dot)com> wrote:
> >> I thought at one point that the direction this was going toward was to
> >> provide the size of the WAL file as a parameter you can use in the
> >> archive_command:
>
> > Hard to beat for performance. I thought there was some technical
> > snag.
>
> Yeah: the archiver process doesn't have that information available.
OK, thanks, I understand now.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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