On Wed, Aug 22, 2012 at 10:13:43AM +0900, Tatsuo Ishii wrote:
> >> What does "propagation of the writes" mean?
> >
> > I apologize for not being clear. In a multi-master system, people
> > frequently wish to know how quickly a write operation has been
> > duplicated to the other nodes. In some sense, those write
> > operations are incomplete until they have happened on all nodes,
> > even in the asynchronous case.
>
> IMO, that kind of functionnality is beyond the scope of benchmark
> tools.
I was trying to come up with something that would distinguish pgbench
for multi-master from pgbench run on independent nodes. Is there some
other distinction to draw?
Cheers,
David.
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