pgsql: Use condition variables to wait for checkpoints.
От
Thomas Munro
Тема
pgsql: Use condition variables to wait for checkpoints.
Дата
Msg-id
E1h4BxT-0007ae-UP@gemulon.postgresql.org
Список
Дерево обсуждения
pgsql: Use condition variables to wait for checkpoints. Thomas Munro <tmunro@postgresql.org>
Re: pgsql: Use condition variables to wait for checkpoints. Thomas Munro <thomas.munro@gmail.com>
Re: pgsql: Use condition variables to wait for checkpoints. Tom Lane <tgl@sss.pgh.pa.us>
Re: pgsql: Use condition variables to wait for checkpoints. Michael Paquier <michael@paquier.xyz>
Re: pgsql: Use condition variables to wait for checkpoints. Michael Paquier <michael@paquier.xyz>
Use condition variables to wait for checkpoints. Previously we used a polling/sleeping loop to wait for checkpoints to begin and end, which leads to up to a couple hundred milliseconds of needless thumb-twiddling. Use condition variables instead. Author: Thomas Munro Reviewed-by: Andres Freund Discussion: https://postgr.es/m/CA%2BhUKGLY7sDe%2Bbg1K%3DbnEzOofGoo4bJHYh9%2BcDCXJepb6DQmLw%40mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/c6c9474aafa4de357ae424cd18b69e8bf7a4babe Modified Files -------------- doc/src/sgml/monitoring.sgml | 10 +++++++++- src/backend/postmaster/checkpointer.c | 21 +++++++++++++++++---- src/backend/postmaster/pgstat.c | 6 ++++++ src/include/pgstat.h | 2 ++ 4 files changed, 34 insertions(+), 5 deletions(-)
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