9.2.12
Sent from my iPhone
> On Apr 30, 2016, at 12:37 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Jeff Mcdowell <Jeff(dot)Mcdowell(at)panerabread(dot)com> writes:
>> 95% of the time, the delay is only microseconds. But we have discovered that whenever the master does an auto vacuum of a large table, the transaction replay delay can climb is high as 1 hour. These delays don’t seem to correlate with any particular queries that are running against the master or the standby, and the delay only subsides when the vacuum completes.
>
> What PG version might this be?
>
> regards, tom lane