pgsql: Track statistics for spilling of changes from ReorderBuffer. - Mailing list pgsql-committers

Track statistics for spilling of changes from ReorderBuffer.

This adds the statistics about transactions spilled to disk from
ReorderBuffer.  Users can query the pg_stat_replication view to check
these stats.

Author: Tomas Vondra, with bug-fixes and minor changes by Dilip Kumar
Reviewed-by: Amit Kapila
Discussion: https://postgr.es/m/688b0b7f-2f6c-d827-c27b-216a8e3ea700@2ndquadrant.com

Branch
------
master

Details
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https://git.postgresql.org/pg/commitdiff/9290ad198b15d6b986b855d2a58d087a54777e87

Modified Files
--------------
doc/src/sgml/monitoring.sgml                    | 20 ++++++++++++
src/backend/catalog/system_views.sql            |  5 ++-
src/backend/replication/logical/reorderbuffer.c | 12 +++++++
src/backend/replication/walsender.c             | 42 +++++++++++++++++++++++--
src/include/catalog/catversion.h                |  2 +-
src/include/catalog/pg_proc.dat                 |  6 ++--
src/include/replication/reorderbuffer.h         | 11 +++++++
src/include/replication/walsender_private.h     |  5 +++
src/test/regress/expected/rules.out             |  7 +++--
9 files changed, 101 insertions(+), 9 deletions(-)