pgsql: Use a WaitLatch for vacuum/autovacuum sleeping

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От Stephen Frost
Тема pgsql: Use a WaitLatch for vacuum/autovacuum sleeping
Дата
Msg-id E1lRHdO-0001oI-V8@gemulon.postgresql.org
обсуждение исходный текст
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Use a WaitLatch for vacuum/autovacuum sleeping

Instead of using pg_usleep() in vacuum_delay_point(), use a WaitLatch.
This has the advantage that we will realize if the postmaster has been
killed since the last time we decided to sleep while vacuuming.

Reviewed-by: Thomas Munro
Discussion: https://postgr.es/m/CAFh8B=kcdk8k-Y21RfXPu5dX=bgPqJ8TC3p_qxR_ygdBS=JN5w@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/4753ef37e0eda4ba0af614022d18fcbc5a946cc9

Modified Files
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src/backend/commands/vacuum.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

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