git.postgresql.org Git - postgresql.git/commit

git projects / postgresql.git / commit

Add parallel_leader_participation GUC.

author Robert Haas <rhaas@postgresql.org>

2017年11月15日 13:17:29 +0000 (08:17 -0500)

committer Robert Haas <rhaas@postgresql.org>

2017年11月15日 13:23:18 +0000 (08:23 -0500)

commit e5253fdc4f5fe2f38aec47e08c6aee93f934183d

tree b32d139116adab712dea0cb4ac02a939ff4aebd6 tree

parent 7518049980be1d90264addab003476ae105f70d4 commit | diff

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

doc/src/sgml/config.sgml diff | blob | blame | history

src/backend/executor/nodeGather.c diff | blob | blame | history

src/backend/executor/nodeGatherMerge.c diff | blob | blame | history

src/backend/optimizer/path/costsize.c diff | blob | blame | history

src/backend/optimizer/plan/planner.c diff | blob | blame | history

src/backend/utils/misc/guc.c diff | blob | blame | history

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

src/include/optimizer/planmain.h diff | blob | blame | history

src/test/regress/expected/select_parallel.out diff | blob | blame | history

src/test/regress/sql/select_parallel.sql diff | blob | blame | history

This is the main PostgreSQL git repository.

RSS Atom