[CentOS] OT: Caching synchronous writes
rswwalker at gmail.com
Sat Apr 24 20:09:04 UTC 2010
On Apr 24, 2010, at 12:43 PM, Les Mikesell <lesmikesell at gmail.com>
> Ross Walker wrote:
>> NFS should always be 'sync' if performance isn't good, then your
>> storage isn't good.
> Why demand sync on remote storage when you typically don't have it
> Programs that need transactional integrity should know when to fsync
> () and for
> anything else there's not much difference whether you crash before
> or after a
> write() was issued in terms of it not completing.
Yes, but 'async' ignores those fsyncs and returns immediately.
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