On 02/09/16 15:19, Andres Freund wrote:

On 2016-09-02 08:31:42 +0530, Robert Haas wrote:
I wonder whether we ought to just switch from the consistent method to
the semiconsistent method and call it good.
+1. I think, before long, we're going to have to switch away from having
locks & partitions in the first place. So I don't see a problem relaxing
this. It's not like that consistency really buys you anything...  I'd
even consider not using any locks.

+1 as well. When I wrote the original module I copied the design of the pg_locks view - as it was safe and consistent. Now it is clear that the ability to look at (semi-consistent) contents of the buffer cache is more important than having a theoretically correct point in time snapshot. Go for it :-)



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