Peter Eisentraut <pete...@gmx.net> writes: > Is it safe to read pg_control externally without a lock? pg_controldata > will just report a CRC error and proceed, and if you're not sure you can > just run it again. But if a promotion fails every so often because of > concurrent pg_control writes, that would make this feature annoying.
Just retry the read till you don't get a CRC error. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers