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| author | Robert Haas <rhaas@postgresql.org> | 2017-11-15 08:17:29 -0500 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2017-11-15 08:23:18 -0500 |
| commit | e5253fdc4f5fe2f38aec47e08c6aee93f934183d (patch) | |
| tree | b32d139116adab712dea0cb4ac02a939ff4aebd6 /src/backend/utils/misc/postgresql.conf.sample | |
| parent | 7518049980be1d90264addab003476ae105f70d4 (diff) | |
| download | postgresql-e5253fdc4f5fe2f38aec47e08c6aee93f934183d.tar.gz postgresql-e5253fdc4f5fe2f38aec47e08c6aee93f934183d.zip | |
Add parallel_leader_participation GUC.
Sometimes, for testing, it's useful to have the leader do nothing but
read tuples from workers; and it's possible that could work out better
even in production.
Thomas Munro, reviewed by Amit Kapila and by me. A few final tweaks
by me.
Discussion: http://postgr.es/m/CAEepm=2U++Lp3bNTv2Bv_kkr5NE2pOyHhxU=G0YTa4ZhSYhHiw@mail.gmail.com
Diffstat (limited to 'src/backend/utils/misc/postgresql.conf.sample')
| -rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 368b280c8af..c7cd72ade2f 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -163,6 +163,7 @@ #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_parallel_workers +#parallel_leader_particulation = on #max_parallel_workers = 8 # maximum number of max_worker_processes that # can be used in parallel queries #old_snapshot_threshold = -1 # 1min-60d; -1 disables; 0 is immediate |