Improve postgresql.conf.sample comments about parallel workers.

David Rowley, reviewed by Amit Kapila

Discussion: http://postgr.es/m/CAKJS1f8gPEUPscj6kSqpveMnnx9_3ZypzwsKstv+8atx6VmjBg@mail.gmail.com

diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 891b16e483bb95a8a883715bbec7168031523ca0..a02b154863d90d79b20f8378488fd01d06f573b9 100644 (file)
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -161,8 +161,9 @@
 
 #effective_io_concurrency = 1          # 1-1000; 0 disables prefetching
 #max_worker_processes = 8              # (change requires restart)
-#max_parallel_workers_per_gather = 2   # taken from max_worker_processes
-#max_parallel_workers = 8          # total maximum number of worker_processes
+#max_parallel_workers_per_gather = 2   # taken from max_parallel_workers
+#max_parallel_workers = 8          # maximum number of max_worker_processes that
+                                       # can be used in parallel queries
 #max_logical_replication_workers = 4   # taken from max_worker_processes
 #old_snapshot_threshold = -1           # 1min-60d; -1 disables; 0 is immediate
                                        # (change requires restart)