| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Andrey Borodin <x4mmm(at)yandex-team(dot)ru> |
| Cc: | Japin Li <japinli(at)hotmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, wenhui qiu <qiuwenhuifx(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Compression of bigger WAL records |
| Date: | 2026-10-08 04:06:12 |
| Message-ID: | ascWtOql0xSrFetW@paquier.xyz |
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| Lists: | pgsql-hackers |
On Thu, Oct 08, 2026 at 08:53:17AM +0500, Andrey Borodin wrote:
> 0001 reuses the compression context on WAL insertion. I restored the
> fallback to an uncompressed image if context allocation fails, rather
> than risking a PANIC in a critical section.
Thanks. Will look at this one next, even if I don't think that I will
have much to say. I was wondering about some micro-benchmarking to
reduce the amount of noise to zero, even if that would just be testing
an equivalent of native zstd...
--
Michael
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