Re: fsync, fdatasync, open_sync, and open_datasync, -- - Mailing list pgsql-hackers

From Andreas Pflug
Subject Re: fsync, fdatasync, open_sync, and open_datasync, --
Date
Msg-id 411A5574.8000806@pse-consulting.de
Whole thread Raw
In response to Re: fsync, fdatasync, open_sync, and open_datasync, -- Linux insanity  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:

> 
> I don't think any test that we could build would be as useful as simply
> trying the different settings with an installation's real workload.

Benchmarking the real workload isn't always so easy, and might be quite 
time consuming to obtain meaningful values. Don't you think that some 
test app doing heavy inserts (maybe with multiple processes) would be 
sufficient to decide which option is best on that particular machine?

Regards,
Andreas


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