| From: | Andrew Sullivan <andrew(at)libertyrms(dot)info> |
|---|---|
| To: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: fsync or fdatasync |
| Date: | 2002-09-09 16:30:25 |
| Message-ID: | 20020909123025.I15959@mail.libertyrms.com |
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| Lists: | pgsql-admin |
On Mon, Sep 09, 2002 at 11:19:50AM +0200, Gaetano Mendola wrote:
> Hi all,
> apparently the default value for wal_sync_method is fsync,
> and apparently the best method is fdatasync.
^^^^^^^^^^
On which platform? There are all sorts of variables to consider
here, most notably whether the given platform happens to support
fdatasync.
I have found that on some platforms, open_datasync is faster than
anything.
But you can certainly use fdatasync if your platform supports it.
A
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Andrew Sullivan 204-4141 Yonge Street
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