Add background worker type
Add bgw_type field to background worker structure. It is intended to be
set to the same value for all workers of the same type, so they can be
grouped in pg_stat_activity, for example.
The backend_type column in pg_stat_activity now shows bgw_type for a
background worker. The ps listing also no longer calls out that a
process is a background worker but just show the bgw_type. That way,
being a background worker is more of an implementation detail now that
is not shown to the user. However, most log messages still refer to
'background worker "%s"'; otherwise constructing sensible and
translatable log messages would become tricky.
Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Branch
------
master
Details
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https://git.postgresql.org/pg/commitdiff/5373bc2a0867048bb78f93aede54ac1309b5e227
Modified Files
--------------
contrib/pg_prewarm/autoprewarm.c | 6 ++--
doc/src/sgml/bgworker.sgml | 11 +++++--
src/backend/access/transam/parallel.c | 1 +
src/backend/postmaster/bgworker.c | 51 +++++++++++++++++++++++++++---
src/backend/postmaster/postmaster.c | 5 +--
src/backend/replication/logical/launcher.c | 3 ++
src/backend/utils/adt/pgstatfuncs.c | 16 ++++++++--
src/include/postmaster/bgworker.h | 2 ++
src/test/modules/test_shm_mq/setup.c | 2 +-
src/test/modules/worker_spi/worker_spi.c | 8 +++--
10 files changed, 89 insertions(+), 16 deletions(-)
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