Re: [PATCHES] wal_checksum = on (default) | off - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [PATCHES] wal_checksum = on (default) | off
Date
Msg-id 16797.1167922856@sss.pgh.pa.us
Whole thread Raw
Responses Re: [PATCHES] wal_checksum = on (default) | off  ("Simon Riggs" <simon@2ndquadrant.com>)
List pgsql-hackers
"Simon Riggs" <simon@2ndquadrant.com> 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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