Horton

Re: SLRU optimization - configurable buffer pool and partitioning the SLRU lock

Dilip Kumar <dilipbalaut@gmail.com>

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From: Dilip Kumar <dilipbalaut@gmail.com>
To: "Andrey M. Borodin" <x4mmm@yandex-team.ru>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-11-24T04:47:54Z
Lists: pgsql-hackers 
On Thu, Nov 23, 2023 at 11:34 AM Dilip Kumar <dilipbalaut@gmail.com> wrote:
>
> Note: With this testing, we have found a bug in the bank-wise
> approach, basically we are clearing a procglobal->clogGroupFirst, even
> before acquiring the bank lock that means in most of the cases there
> will be a single process in each group as a group leader

I realized that the bug fix I have done is not proper, so will send
the updated patch set with the proper fix soon.

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com

Commits

  1. Fix zeroing of pg_serial page without SLRU bank lock

  2. Fix misspelled assertions

  3. GUC table: Add description to computed variables

  4. Improve performance of subsystems on top of SLRU

  5. Rename SLRU elements in view pg_stat_slru

  6. Use atomic access for SlruShared->latest_page_number

  7. Split use of SerialSLRULock, creating SerialControlLock

  8. Index SLRUs by 64-bit integers rather than by 32-bit integers

  9. Add a macro templatized hashtable.