"Simon Riggs" <[EMAIL PROTECTED]> writes:
> In this thread, I outlined an idea for reducing cost of WAL CRC checking
> http://archives.postgresql.org/pgsql-hackers/2006-10/msg01299.php
> wal_checksum = on (default) | off

This still seems awfully dangerous to me.

> Recovery can occur with/without same setting of wal_checksum, to avoid
> complications from crashes immediately after turning GUC on.

Surely not.  Otherwise even the "on" setting is not really a defense.

                        regards, tom lane

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