Re: [PoC] Improve dead tuple storage for lazy vacuum - Mailing list pgsql-hackers

From Andres Freund
Subject Re: [PoC] Improve dead tuple storage for lazy vacuum
Date
Msg-id 20220704205555.raqj4sbi6knz2hkd@awork3.anarazel.de
Whole thread Raw
In response to Re: [PoC] Improve dead tuple storage for lazy vacuum  (Masahiko Sawada <sawada.mshk@gmail.com>)
List pgsql-hackers
Hi,

I just noticed that I had a reply forgotten in drafts...

On 2022-05-10 10:51:46 +0900, Masahiko Sawada wrote:
> To move this project forward, I've implemented radix tree
> implementation from scratch while studying Andres's implementation. It
> supports insertion, search, and iteration but not deletion yet. In my
> implementation, I use Datum as the value so internal and lead nodes
> have the same data structure, simplifying the implementation. The
> iteration on the radix tree returns keys with the value in ascending
> order of the key. The patch has regression tests for radix tree but is
> still in PoC state: left many debugging codes, not supported SSE2 SIMD
> instructions, added -mavx2 flag is hard-coded.

Very cool - thanks for picking this up.

Greetings,

Andres Freund



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