| From: | Greg Stark <gsstark(at)mit(dot)edu> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Greg Smith <greg(at)2ndquadrant(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org, Michael Clemmons <glassresistor(at)gmail(dot)com>, Hannu Krosing <hannu(at)2ndquadrant(dot)com>, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
| Subject: | Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb) |
| Date: | 2009-12-29 10:48:10 |
| Message-ID: | 407d949e0912290248y24acd059q1f31d6f0d057bbe6@mail.gmail.com |
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| Lists: | pgsql-hackers pgsql-performance |
On Tue, Dec 29, 2009 at 2:05 AM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> Reads Completed: 2, 8KiB Writes Completed: 2362, 29672KiB
> New:
> Reads Completed: 0, 0KiB Writes Completed: 550, 5960KiB
It looks like the new method is only doing 1/6th as much i/o. Do you
know what's going on there?
--
greg
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