Re: WAL replay logic (was Re: [PERFORM] 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: pgsql-hackers@postgresql.org
Date: 2003-02-18T19:08:16Z
Lists: pgsql-hackers, pgsql-performance
Uh, not sure. Does it guard against corrupt WAL records? --------------------------------------------------------------------------- Curt Sampson wrote: > On Tue, 18 Feb 2003, Bruce Momjian wrote: > > > > > Added to TODO: > > > > * Allow WAL information to recover corrupted pg_controldata > >... > > > 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. > > So if you do this, do you still need to store that information in > pg_control at all? > > 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 5: Have you checked our extensive FAQ? > > http://www.postgresql.org/users-lounge/docs/faq.html > -- 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