On Wed, Mar 13, 2019 at 10:44:03AM +0100, Fabien COELHO wrote: > Yep. That is the issue I think is preventable by fsyncing updated data > *then* writing & syncing the control file, and that should be done by > pg_checksums.
Well, pg_rewind works similarly: control file gets updated and then the whole data directory gets flushed. In my opinion, the take here is that we log something after the sync of the whole data folder is done, so as in the event of a crash an operator can make sure that everything has happened. -- Michael
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