[rabbitmq-discuss] publishing confirms with persistent messages?

Matthias Radestock matthias at rabbitmq.com
Mon Jul 23 10:47:36 BST 2012

On 23/07/12 10:33, Ernest Staszuk wrote:
> In fact it is possible that rabbit sends confirmation and data
> is not stored. The fsync does NOT guarantee that data has been
> actually written. What it does is a assurance that hard disk
> reported completion of data transfer. Due to writing cashe
> of hard memory there could exist a time window when
> data has not been permanently stored yet. This could be
> prevented by disabling hard disk's writing cache.

Sure, that's reasonably well-known, and outside rabbit's control.


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