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Doc: improve a couple of comments in postgresql.conf.sample.

2024年2月15日 21:45:03 +0000 (16:45 -0500)

Clarify comments associated with max_parallel_workers and
related settings.

Per bug #18343 from Christopher Kline.

Discussion: https://postgr.es/m/18343-3a5e903d1d3692ab@postgresql.org

src/backend/utils/misc/postgresql.conf.sample patch | blob | blame | history

diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample

index da10b43dac3c1edf76162520d82c71c3cccd09c4..770118ad5e37c06ca8feb74338dba6eb154019db 100644 (file)

--- a/src/backend/utils/misc/postgresql.conf.sample

+++ b/src/backend/utils/misc/postgresql.conf.sample

@@ -195,9 +195,9 @@

#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching

#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching

#max_worker_processes = 8 # (change requires restart)

-#max_parallel_workers_per_gather = 2 # taken from max_parallel_workers

-#max_parallel_maintenance_workers = 2 # taken from max_parallel_workers

-#max_parallel_workers = 8 # maximum number of max_worker_processes that

+#max_parallel_workers_per_gather = 2 # limited by max_parallel_workers

+#max_parallel_maintenance_workers = 2 # limited by max_parallel_workers

+#max_parallel_workers = 8 # number of max_worker_processes that

# can be used in parallel operations

#parallel_leader_participation = on

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