| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com> |
| Cc: | Stephen Frost <sfrost(at)snowman(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, Jakub Wartak <Jakub(dot)Wartak(at)tomtom(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, David Steele <david(at)pgmasters(dot)net>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: WIP: WAL prefetch (another approach) |
| Date: | 2021-04-01 21:50:31 |
| Message-ID: | CA+hUKGKmkKfH1h9XG5ctYCgqeOHGdN5bHMoQMZLR=+kLY0PQzA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 19, 2021 at 2:29 PM Tomas Vondra
<tomas(dot)vondra(at)enterprisedb(dot)com> wrote:
> On 3/18/21 1:54 AM, Thomas Munro wrote:
> > I'm now looking at Horiguchi-san and Heikki's patch[2] to remove
> > XLogReader's callbacks, to try to understand how these two patch sets
> > are related. I don't really like the way those callbacks work, and
> > I'm afraid had to make them more complicated. But I don't yet know
> > very much about that other patch set. More soon.
>
> OK. Do you think we should get both of those patches in, or do we need
> to commit them in a particular order? Or what is your concern?
I would like to commit the callback-removal patch first, and then the
WAL decoder and prefetcher patches become simpler and cleaner on top
of that. I will post the rebase and explanation shortly.
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