[rabbitmq-discuss] When are persistent messages flushed to disk?

[Matthew Sackman]

On Mon, Sep 05, 2011 at 02:19:22AM -0500, Iain Hull wrote:
> I experimented with publisher confirms and noticed that messages seemed
> more likely to be persisted, but seemed to trickle into the server.
> That is 5 minutes after my test finished messages were still arriving to
> my queue.  I have since experimented with message size, my original
> messages were very small and think that I need to modify this test to
> understand these affects properly.

There were some timing bugs in 2.5.1 due to some changes accidentally
being undone owing to some erroneous merges, which may have caused the
lower than expected confirm rate.

Currently, even on non-SSD, I can get over 6000 confirms per second.

Matthew