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

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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
This commit is contained in:
Tom Lane
2024-02-15 16:45:03 -05:00
parent 078195eb61
commit 6686e9676c
1 changed files with 3 additions and 3 deletions
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6
src/backend/utils/misc/postgresql.conf.sample
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@@ -187,9 +187,9 @@
#effective_io_concurrency = 1 # 1-1000; 0 disables prefetching #effective_io_concurrency = 1 # 1-1000; 0 disables prefetching
#maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching #maintenance_io_concurrency = 10 # 1-1000; 0 disables prefetching
#max_worker_processes = 8 # (change requires restart) #max_worker_processes = 8 # (change requires restart)
#max_parallel_workers_per_gather = 2 # taken from max_parallel_workers #max_parallel_workers_per_gather = 2 # limited by max_parallel_workers
#max_parallel_maintenance_workers = 2 # taken from max_parallel_workers #max_parallel_maintenance_workers = 2 # limited by max_parallel_workers
#max_parallel_workers = 8 # maximum number of max_worker_processes that #max_parallel_workers = 8 # number of max_worker_processes that
# can be used in parallel operations # can be used in parallel operations
#parallel_leader_participation = on #parallel_leader_participation = on
#old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate #old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate