| From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
|---|---|
| To: | Justin Pryzby <pryzby(at)telsasoft(dot)com> |
| Cc: | "Drouvot, Bertrand" <bdrouvot(at)amazon(dot)com>, pgsql-hackers(at)postgresql(dot)org, Michael Paquier <michael(at)paquier(dot)xyz> |
| Subject: | Re: ALTER TABLE uses a bistate but not for toast tables |
| Date: | 2024-11-19 14:45:19 |
| Message-ID: | pizwatztwg6a74gsfhtwwybsgu2guwvskb4jm44i4uoe3x5pae@64q3fxbkstnq |
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| Lists: | pgsql-hackers |
> On Mon, Jul 15, 2024 at 03:43:24PM GMT, Justin Pryzby wrote:
> @cfbot: rebased
Hey Justin,
Thanks for rebasing. To help with review, could you also describe
current status of the patch? I have to admit, currently the commit
message doesn't tell much, and looks more like notes for the future you.
The patch numbering is somewhat confusing as well, should it be v5 now?
From what I understand, the new patch does address the review feedback,
but you want to do more, something with copy to / copy from?
Since it's in the performance category, I'm also curious how much
overhead does this shave off? I mean, I get it that bulk insert strategy
helps with buffers usage, as you've implied in the thread -- but how
does it look like in benchmark numbers?
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