I did not know about this change, thanks for pointing it out! By the
way, is it still possible to send commit messages asynchronously with
2PC by changing the default config? I am asking as, in order to ensure
fairness when comparing the performance of the two protocols, it would
be better to make sure that they enforce the same semantic.
Another possibility would be to extend the TOB-based replication
mechanism to support this semantic. Conceptually, this is not too
complicated, but coding that will still take some time... and I would
prefer to invest effort on TOM+partial replication. What do you think?
Cheers,
Paolo
On 3/7/12 1:17 PM, Mircea Markus wrote:
>> if I recall correctly currently (with 2PC) the commit is sent
>> asynchronously (without waiting to gather acks).
> The commit used to be send async (default) before 5.2, but now it is sent
> sync.
> *But* there were no complains with async commits AFAIK, which is a good thing.
>
>
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