Re: About to add WAL write/fsync statistics to pg_stat_wal view

Masahiro Ikeda <ikedamsh@oss.nttdata.com>

From: Masahiro Ikeda <ikedamsh@oss.nttdata.com>

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

Cc: Masahiko Sawada <sawada.mshk@gmail.com>, Li Japin <japinli@hotmail.com>, kuroda.hayato@fujitsu.com, "David G. Johnston" <david.g.johnston@gmail.com>

Date: 2021-02-04T23:45:38Z

Lists: pgsql-hackers

Attachments

v9-0001-Add-statistics-related-to-write-sync-wal-records.patch (text/x-diff) patch v9-0001
v9-0002-Makes-the-wal-receiver-report-WAL-statistics.patch (text/x-diff) patch v9-0002

I pgindented the patches.

Regards
-- 
Masahiro Ikeda
NTT DATA CORPORATION

Commits

Send statistics collected during shutdown checkpoint to the stats collector.
- b82640df0062 14.0 landed
Force to send remaining WAL stats to the stats collector at walwriter exit.
- 33394ee6f243 14.0 landed
Track total amounts of times spent writing and syncing WAL data to disk.
- ff99918c625a 14.0 landed
Retry short writes when flushing WAL.
- 79ce29c734c6 9.4.0 cited