On 04/07/2014 02:16 PM, Heikki Linnakangas wrote:
> I've been playing with a little hack that records a before and after
> image of every page modification that is WAL-logged, and writes the
> images to a file along with the LSN of the corresponding WAL record. I
> set up a master-standby replication with that hack in place in both
> servers, and ran the regression suite. Then I compared the after images
> after every WAL record, as written on master, and as replayed by the
> standby.

This is awesome ... thank you for doing this.

Josh Berkus
PostgreSQL Experts Inc.

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