Re: POC: make mxidoff 64 bits

Maxim Orlov <orlovmg@gmail.com>

From: Maxim Orlov <orlovmg@gmail.com>

To: Alexander Korotkov <aekorotkov@gmail.com>

Cc: wenhui qiu <qiuwenhuifx@gmail.com>, Heikki Linnakangas <hlinnaka@iki.fi>, Postgres hackers <pgsql-hackers@lists.postgresql.org>

Date: 2024-09-04T08:49:32Z

Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix partial read handling in pg_upgrade's multixact conversion
- ac94ce8194e5 19 (unreleased) landed
Increase timeout in multixid_conversion upgrade test
- bd43940b02b2 19 (unreleased) landed
Improve sanity checks on multixid members length
- ecb553ae8211 19 (unreleased) landed
Clarify comment on multixid offset wraparound check
- 170361d7b869 14.21 landed
- b0b52b7123ae 15.16 landed
- 7d42e2367c6b 16.12 landed
- cd1a887fe9bf 17.8 landed
- 3fbad030a24d 18.2 landed
- 366dcdaf5779 19 (unreleased) landed
Never store 0 as the nextMXact
- 87a350e1f284 19 (unreleased) landed
Add runtime checks for bogus multixact offsets
- d4b7bde4183b 19 (unreleased) landed
Widen MultiXactOffset to 64 bits
- bd8d9c9bdfa0 19 (unreleased) landed
Move pg_multixact SLRU page format definitions to a separate header
- bb3b1c4f6462 19 (unreleased) landed
Convert confusing macros in multixact.c to static inline functions
- 0099b9408e8c 17.0 landed
Index SLRUs by 64-bit integers rather than by 32-bit integers
- 4ed8f0913bfd 17.0 cited
Cope with possible failure of the oldest MultiXact to exist.
- b6a3444fa635 9.4.4 cited

On Tue, 3 Sept 2024 at 16:32, Alexander Korotkov <aekorotkov@gmail.com>
wrote:

> I don't think you need to maintain CATALOG_VERSION_NO change in your
> patch for the exact reason you have mentioned: patch will get conflict
> each time CATALOG_VERSION_NO is advanced.  It's responsibility of
> committer to advance CATALOG_VERSION_NO when needed.
>

OK, I got it. My intention here was to help to test the patch. If someone
wants to have a
look at the patch, he won't need to make changes in the code. In the next
iteration, I'll
remove CATALOG_VERSION_NO version change.

-- 
Best regards,
Maxim Orlov.