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Re: Filesystem Direct I/O and WAL sync option - Mailing list pgsql-performance

From Jonah H. Harris
Subject Re: Filesystem Direct I/O and WAL sync option
Date
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In response to Re: Filesystem Direct I/O and WAL sync option  ("Jim C. Nasby" <[email protected]>)
Responses Re: Filesystem Direct I/O and WAL sync option
List pgsql-performance
On 7/9/07, Jim C. Nasby <[email protected]> wrote:
> BTW, it might be worth trying the different wal_sync_methods. IIRC,
> Jonah's seen some good results from open_datasync.

On Linux, using ext3, reiser, or jfs, I've seen open_sync perform
quite better than fsync/fdatasync in most of my tests.  But, I haven't
done significant testing with direct I/O lately.

--
Jonah H. Harris, Software Architect | phone: 732.331.1324
EnterpriseDB Corporation            | fax: 732.331.1301
33 Wood Ave S, 3rd Floor            | [email protected]
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