9.2.12 Sent from my iPhone > On Apr 30, 2016, at 12:37 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > > Jeff Mcdowell <Jeff.Mcdowell@xxxxxxxxxxxxxxx> 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 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general