From: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
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To: | michael(at)paquier(dot)xyz |
Cc: | sfrost(at)snowman(dot)net, tgl(at)sss(dot)pgh(dot)pa(dot)us, daniel(at)yesql(dot)se, pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Minor typo |
Date: | 2018-11-28 06:02:26 |
Message-ID: | 20181128.150226.56432319.horiguchi.kyotaro@lab.ntt.co.jp |
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Lists: | pgsql-hackers |
This is a noise from a Japanese having poor English skill..
At Wed, 28 Nov 2018 10:01:36 +0900, Michael Paquier <michael(at)paquier(dot)xyz> wrote in <20181128010136(dot)GU1716(at)paquier(dot)xyz>
> On Tue, Nov 27, 2018 at 07:51:03PM -0500, Stephen Frost wrote:
> > That isn't at all what I got from that.
> >
> > A rewrite of this really should avoid talking about removing the hole as
> > if it's 'compression' because, first of all, it isn't, and second, now
> > that we have *actual* compression happening, it's terribly confusing to
> > talk about removing the hole using that terminology.
>
> You may want to be careful about other comments in xloginsert.c or such
> then. Removing a page hole is mentioned in a couple of places as a form
> of compression if I recall correctly.
org> When wal_compression is enabled, a full page image which "hole" was
org> removed is additionally compressed using PGLZ compression algorithm.
Even though it has an obvious mistake, I could read this as
full_page_image is always compressed after removing a hole in it
if any. (I'm not sure it makes correct sense, though.) I feel
hopelessly that the sentence structure model in my mind is
different from that of natives. I need to study harder, but..
Sorry for the noise in advance.
regards.
--
Kyotaro Horiguchi
NTT Open Source Software Center
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