| From: | "Jim C(dot) Nasby" <jim(at)nasby(dot)net> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: Load distributed checkpoint |
| Date: | 2006-12-28 17:54:57 |
| Message-ID: | 20061228175457.GS71246@nasby.net |
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| Lists: | pgsql-hackers pgsql-patches |
On Thu, Dec 28, 2006 at 12:50:19PM -0500, Bruce Momjian wrote:
> To summarize, if we could have fsync() only write the dirty buffers that
> happened as part of the checkpoint, we could delay the write() for the
> entire time between checkpoints, but we can't do that, so we have to
> make it user-tunable.
What about the mmap/msync(?)/munmap idea someone mentioned?
--
Jim Nasby jim(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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