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From: Bruce Momjian <bruce@momjian.us>
To: Chris Wilson <chris+google@qwirx.com>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: Pg Docs <pgsql-docs@lists.postgresql.org>
Subject: Re: What does "[backends] should seldom or never need to wait for a write to occur" mean?
Date: Mon, 16 Nov 2020 13:14:05 -0500
Message-ID: <20201116181405.GE22426@momjian.us> (raw)
In-Reply-To: <20201112173730.GF25584@momjian.us>
References: <CAOg7f8272Om2sEM8H0u8u9weVX6NTJNrZqv_FqaRBXmBEQY9aQ@mail.gmail.com>
	<CAOg7f80WL7cR1TgXXCzzXYcNtfjgAkkc+zXr9T9tshy8jBSZLw@mail.gmail.com>
	<20201110013632.GA8789@momjian.us>
	<20201110160801.GA25651@momjian.us>
	<CAOg7f80w3u2U8Jqrh=CbAYB4V07x=X88zrbPVuCCgFqcj88mJw@mail.gmail.com>
	<20201111232417.GH25840@momjian.us>
	<CAOg7f83vo1+Y3DMpu7317zgBwRZ2ZRow7VdphO7znm4AG=HJCA@mail.gmail.com>
	<20201112165412.GC25584@momjian.us>
	<CAOg7f82Hpz3jO6W+SJq6RYLpiH=LhUDBpSST5RZhTJOiEYPcNQ@mail.gmail.com>
	<20201112173730.GF25584@momjian.us>

On Thu, Nov 12, 2020 at 12:37:30PM -0500, Bruce Momjian wrote:
> On Thu, Nov 12, 2020 at 05:25:30PM +0000, Chris Wilson wrote:
> > Hi Bruce,
> > 
> > Thanks, I absolutely agree that this documentation needs to explain properly
> > how the bgwriter works. Your latest patch looks good, it significantly improves
> > this section of the manual. I would just suggest changing "non-dirty" to
> > "clean" in "When the number of non-dirty shared buffers appears to be
> > insufficient", as this makes the language simpler and avoids introducing
> > another new term (non-dirty, which means the same as clean).
> 
> OK, done.  I wasn't sure 'clean' would be assumed to be non-dirty, but you
> are right the language is clearer with 'clean'.  (I was afraid 'clean'
> would be assumed to be 'empty'.)

Patch applied to all supported versions.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee






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