Re: Postgresql Performance on an HP DL385 and - Mailing list pgsql-performance

On Tue, Aug 15, 2006 at 05:20:25PM -0500, Jim C. Nasby wrote:
> This is only valid if the pre-allocation is also fsync'd *and* fsync
> ensures that both the metadata and file data are on disk. Anyone
> actually checked that? :)

fsync() does that, yes. fdatasync() (if it exists), OTOH, doesn't sync the
metadata.

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