From: "Fujii Masao" <masao(dot)fujii(at)gmail(dot)com>
> Though I cannot show the detail for some reasons, as far as I measured
> the performance overhead of sync rep by using pgbench, the overhead of
> throughput was less than 10%. When measuring sync rep, I used two
> set of physical machine and storage for the master and standby, and
> used 1Gbps network between them.
Fujii-san, thanks a million. That's valuable information. The overhead less
than 10% under perhaps high concurrency and write heavy workload exceeds my
expectation. Great!
Though I couldn't contact the testers today, I'll tell this to them next
week.
Regards
MauMau