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Re: A little test with galera vs. semisync


Alexey Yurchenko Jun 14, 2012 4:05 PM
Posted in group: codership
On Tuesday, July 5, 2011 5:32:54 PM UTC+3, Alexey Yurchenko wrote:
Well, then your results suggest that MySQL semi-sync is incapable of
concurrent replication, that is, it can replicate only one transaction
at a time. Which is no surprise given that semi-sync seems to be a
hack over the regular asynchronous MySQL replication, but that would
make it unsuitable for use in WANs (where you will have this infamous
rate=1/RTT law)