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(parent: 62c8421) | patch
Clarify resource utilization of parallel query.
authorRobert Haas <rhaas@postgresql.org>
Thu, 7 Jul 2016 15:18:51 +0000 (11:18 -0400)
committerRobert Haas <rhaas@postgresql.org>
Thu, 7 Jul 2016 15:35:08 +0000 (11:35 -0400)
commitd1f822e58597cac5000bf69b893cc236c5ef5fcb
tree4ea70f271626b6477142fde87a59e4969d35851dtree | snapshot
parent62c8421e87b33b2e94f8a7842e1dd9aa1a286ffccommit | diff
Clarify resource utilization of parallel query.

temp_file_limit is a per-process limit, not a per-session limit across
all cooperating parallel processes; change wording accordingly, per a
suggestion from Tom Lane.

Also, document under max_parallel_workers_per_gather the fact that each
process involved in a parallel query may use as many resources as a
separate session.  Caveat emptor.

Per a complaint from Peter Geoghegan.
doc/src/sgml/config.sgml diff | blob | history
src/backend/utils/misc/guc.c diff | blob | history
src/backend/utils/misc/postgresql.conf.sample diff | blob | history
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