Re: Enhancing Memory Context Statistics Reporting

Rahila Syed <rahilasyed90@gmail.com>

From: Rahila Syed <rahilasyed90@gmail.com>

To: PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Cc: Daniel Gustafsson <daniel@yesql.se>, torikoshia <torikoshia@oss.nttdata.com>, Robert Haas <robertmhaas@gmail.com>, Chao Li <li.evan.chao@gmail.com>

Date: 2026-02-20T23:13:17Z

Lists: pgsql-hackers

Attachments

v52-0001-Add-function-to-report-memory-context-statistics.patch (application/octet-stream) patch v52-0001
v52-0002-Test-module-to-test-memory-context-reporting-wit.patch (application/octet-stream) patch v52-0002

Hi,

Please find attached updated and rebased patches which incorporate
code fixes suggested off-list by Daniel

These changes include a fix to free dsa memory in one of the
exit paths from the client-side function along with several documentation
and comment improvements.


> I think we can calculate remaining time and pass remaining milliseconds
> into ConditionVariableTimedSleep.
>
>
This comment by Chao Li was also addressed as part of Daniel's review
fixes.

Thank you,
Rahila Syed

Commits

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

Cross-check lists of built-in LWLock tranches.
- 2047ad068139 19 (unreleased) cited
Convert strncpy to strlcpy
- 45e7e8ca9e93 18.0 landed
Typo and doc fixups for memory context reporting
- f8c115a6cb65 18.0 landed
Add missing string terminator
- d2a1ed1727a8 18.0 landed
Rename argument in pg_get_process_memory_contexts().
- c57971034e69 18.0 landed
Add function to get memory context stats for processes
- 042a66291b04 18.0 landed