Re: [HACKERS] WAL replay logic (was Re: Mount options for
Bruce Momjian <pgman@candle.pha.pa.us>
From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Curt Sampson <cjs@cynic.net>
Cc: Kevin Brown <kevin@sysexperts.com>, pgsql-performance@postgresql.org, pgsql-hackers@postgresql.org
Date: 2003-02-18T05:15:43Z
Lists: pgsql-hackers, pgsql-performance
Added to TODO: * Allow WAL information to recover corrupted pg_controldata --------------------------------------------------------------------------- Curt Sampson wrote: > On Fri, 14 Feb 2003, Bruce Momjian wrote: > > > Is there a TODO here, like "Allow recovery from corrupt pg_control via > > WAL"? > > Isn't that already in section 12.2.1 of the documentation? > > Using pg_control to get the checkpoint position speeds up the > recovery process, but to handle possible corruption of pg_control, > we should actually implement the reading of existing log segments > in reverse order -- newest to oldest -- in order to find the last > checkpoint. This has not been implemented, yet. > > cjs > -- > Curt Sampson <cjs@cynic.net> +81 90 7737 2974 http://www.netbsd.org > Don't you know, in this new Dark Age, we're all light. --XTC > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073