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Re: [HACKERS] Added documentation about caching, reliability

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>,PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org>
Subject: Re: [HACKERS] Added documentation about caching, reliability
Date: 2005-10-13 17:33:16
Message-ID: 200510131733.j9DHXG814760@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-docspgsql-hackers
Applied.  Thanks.

---------------------------------------------------------------------------

Simon Riggs wrote:
> On Wed, 2005-09-28 at 14:26 -0400, Bruce Momjian wrote:
> > I have added a section to the top of the WAL docs explaining caching and
> > reliability issues:
> > 
> > 	http://candle.pha.pa.us/main/writings/pgsql/sgml/reliability.html
> > 
> > I also renamed the chapter "Reilability" rather than "WAL."
> > 
> 
> I submitted a patch last week that builds further on Bruce's changes.
> [Docs for PITR and full_page_writes interaction, 2 Oct]
> 
> The patch includes:
> 
> 1. Minor rewording of the case that Bruce refers to "recovery" and I
> have differentiated the cases of crash recovery and PITR. The
> corresponding section of the backup chapter has also been changed to
> include a short discussion on full_page_writes and WAL compression, with
> a link back to the WAL section.
> 
> 2. Merged the 1st and 2nd sects of Reliability into a single section.
> The 1st section was only a single paragraph and so that improves
> readability. I've freshened that section, since it has not been updated
> since 7.1 and currently still reads as if WAL has just been released.
> 
> 3. I've updated the section on WAL configuration with further WAL
> related comments and clarifications. These relate to full_page_writes
> and appropriate settings of wal_buffers to match.
> 
> Best Regards, Simon Riggs
> 
> 
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-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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