Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints

Dilip Kumar <dilipbalaut@gmail.com>

From: Dilip Kumar <dilipbalaut@gmail.com>

To: Robert Haas <robertmhaas@gmail.com>

Cc: Andres Freund <andres@anarazel.de>, Heikki Linnakangas <hlinnaka@iki.fi>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>

Date: 2021-10-04T09:21:22Z

Lists: pgsql-hackers

Attachments

v4-0001-Refactor-relmap-load-and-relmap-write-functions.patch (text/x-patch) patch v4-0001
v4-0003-Refactor-index_copy_data.patch (text/x-patch) patch v4-0003
v4-0004-Extend-bufmgr-interfaces.patch (text/x-patch) patch v4-0004
v4-0005-New-interface-to-lock-relation-id.patch (text/x-patch) patch v4-0005
v4-0002-Extend-relmap-interfaces.patch (text/x-patch) patch v4-0002
v4-0006-WAL-logged-CREATE-DATABASE.patch (text/x-patch) patch v4-0006

On Mon, Sep 27, 2021 at 12:23 PM Dilip Kumar <dilipbalaut@gmail.com> wrote:
>
>
> Open question:
> - Scan pg_class vs scan directories
> - Whether to retain the old created database mechanism as option or not.

I have done some code improvement in 0001 and 0002.

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

Commits

When using the WAL-logged CREATE DATABASE strategy, bulk extend.
- 3e63e8462f31 16.0 landed
- 576bb0fc9342 15.0 landed
Avoid using a fake relcache entry to own an SmgrRelation.
- 1b94f8f232f6 15.0 landed
- 76733b399c49 16.0 landed
Fix data-corruption hazard in WAL-logged CREATE DATABASE.
- 692df425b688 16.0 landed
- 811203d4aff5 15.0 landed
initdb: When running CREATE DATABASE, use STRATEGY = WAL_COPY.
- ad43a413c4f7 15.0 landed
Simplify a needlessly-complicated regular expression.
- c6863b858291 15.0 landed
In 020_createdb.pl, change order of command-line arguments.
- 3d067c53b26d 15.0 landed
Add new block-by-block strategy for CREATE DATABASE.
- 9c08aea6a309 15.0 landed
Fix replay of create database records on standby
- 49d9cfc68bf4 15.0 cited
Refactor code for reading and writing relation map files.
- 39f0c4bd670c 15.0 landed
Replace RelationOpenSmgr() with RelationGetSmgr().
- f10f0ae420ee 15.0 cited
Refactor the fsync queue for wider use.
- 3eb77eba5a51 12.0 cited