Re: pg_standby - Mailing list pgsql-patches

From Doug Knight
Subject Re: pg_standby
Date
Msg-id 1170360888.10933.50.camel@arc-dknightlx.wsicorp.com
Whole thread Raw
In response to Re: [PATCHES] pg_standby  ("Simon Riggs" <simon@2ndquadrant.com>)
Responses Re: pg_standby  ("Simon Riggs" <simon@2ndquadrant.com>)
List pgsql-patches
Hi Simon,
Quick question on the -w option; setting it to zero "disables", do you mean it waits until the file appears or a trigger file appears, or it just doesn't wait at all?

Doug Knight
WSI Inc
Andover, MA

On Mon, 2007-01-22 at 13:06 +0000, Simon Riggs wrote:
On Wed, 2007-01-17 at 16:15 +0000, Simon Riggs wrote:
> On Wed, 2007-01-17 at 10:05 -0500, Merlin Moncure wrote:
> > On 12/28/06, Simon Riggs <simon@2ndquadrant.com> wrote:
> > > On Thu, 2006-12-28 at 19:26 +0000, Simon Riggs wrote:
> > > > On Thu, 2006-12-14 at 12:04 +0000, Simon Riggs wrote:
> > > > > pg_standby and test framework, in separate .tar files
> > > >
> > > > New version (v2), following further testing.
> > > >
> > > > Signal handling not included in this version.
> > >
> > > Signal handling now added, tested and working correctly in version 3,
> > > attached.
> > >
> > > pg_standby is an example program for a warm standby script as discussed
> > > on -hackers:
> > > http://archives.postgresql.org/pgsql-hackers/2006-08/msg00407.php
> > >
> > > Program looks complete and ready for review, to me.
> > 
> > I double checked and re-ran all my test and confirmed that pg_standby
> > move (-m) mode is definitely busted in v3 in the sense that a restart
> > of the standby will not resume recovery and requires a pg_resetxlog to
> > become operational -- it needs one more WAL file back than  the oldest
> > one available.
> 
> new v4
> 
> Changes
> - removed -m command, design flaw in original spec, use -l instead
> - added -k N command to cleanup archive and leave max N files
> - fflush() points added to allow Windows debug 
> - bug fix: when .history file present
> - bug fix: command line switch cleanup
> - readme updated

new v6 (v5 was Windows dev release)

Changes

- added -r option to specify maxretries
- -l option for Windows Vista (only) using mklink
- Windows examples and docs added to readme
- code restructured to allow more easy customization
- bug fix: -k 0 error fixed

- successful port report from Dave Page on Windows XP

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