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Re: Proper use of pg_xlog_location_diff()

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On 1/15/15 8:41 PM, Fabio Ugo Venchiarutti wrote:
Does it mean that pg_last_xlog_receive_location() returns the last WAL record that has been successfully "staged for replay" by the stream replication whereas pg_last_xlog_replay_location() returns the last successful WAL replay regardless of it coming from streaming or archive shipping?
As in 2 different stages the first of which is basically irrelevant to record visibility?

(At least in -HEAD) receive is what's been committed to disk; replay is what's actually been replayed and should be visible.
--
Jim Nasby, Data Architect, Blue Treble Consulting
Data in Trouble? Get it in Treble! http://BlueTreble.com


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