| From: | Greg Smith <greg(at)2ndquadrant(dot)com> |
|---|---|
| To: | Josh Berkus <josh(at)agliodbs(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Magnus Hagander <magnus(at)hagander(dot)net>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Final(?) proposal for wal_sync_method changes |
| Date: | 2010-12-10 02:50:56 |
| Message-ID: | 4D019590.7090005@2ndquadrant.com |
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| Thread: | |
| Lists: | pgsql-hackers |
Josh Berkus wrote:
> Did you rerun test_sync with O_DIRECT entabled, using my patch? The
> figures you had from test_fsync earlier were without O_DIRECT.
>
No--I was just focused on testing the changes that had already been
committed. The use of O_DIRECT in the server but not test_fsync could
very well be the reason for the difference; don't know yet. I'm trying
to get through this CF before I start getting distracted by newer
patches, I'll get to yours soon I hope.
--
Greg Smith 2ndQuadrant US greg(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services and Support www.2ndQuadrant.us
"PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books
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