[Gluster-users] performance.flush-behind

Lindsay Mathieson lindsay.mathieson at gmail.com
Sun Jan 8 22:29:52 UTC 2017

On 8/01/2017 10:38 AM, Lindsay Mathieson wrote:
> Option: performance.flush-behind
> Default Value: on
> Description: If this option is set ON, instructs write-behind 
> translator to perform flush in background, by returning success (or 
> any errors, if any of previous  writes were failed) to application 
> even before flush FOP is sent to backend filesystem.
> Does this mean that essentially fsync is disabled by default?


performance.write-behind : on
performance.strict-o-direct : off

It would appear that by default, fsync and O_DIRECT are off, and 
write-behind is on

Lindsay Mathieson

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