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.
Lucas <lucas75@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
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