Tom, Yes, it is what I mean. Is what pg_dump uses to get things synchronized. It seems to me a clear marker that the same task is using more than one connection to accomplish the one job.
Em 08/09/2016 6:34 PM, "Tom Lane" <t...@sss.pgh.pa.us> escreveu: > Lucas <luca...@gmail.com> writes: > > The queue jumping logic can not use the distributed transaction id? > > If we had such a thing as a distributed transaction id, maybe the > answer could be yes. We don't. > > I did wonder whether using a shared snapshot might be a workable proxy > for that, but haven't pursued it. > > regards, tom lane >
