Re: Parallel query and temp_file_limit - Mailing list pgsql-hackers

From Peter Geoghegan
Subject Re: Parallel query and temp_file_limit
Date
Msg-id CAM3SWZRLNqFuFP9jhd-BcEa9z3+tD8zoyCpUHqsQvupzu5M=uQ@mail.gmail.com
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In response to Re: Parallel query and temp_file_limit  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Parallel query and temp_file_limit
List pgsql-hackers
On Wed, May 18, 2016 at 3:40 AM, Robert Haas <robertmhaas@gmail.com> wrote:
> What I'm tempted to do is trying to document that, as a point of
> policy, parallel query in 9.6 uses up to (workers + 1) times the
> resources that a single session might use.  That includes not only CPU
> but also things like work_mem and temp file space.  This obviously
> isn't ideal, but it's what could be done by the ship date.

Where would that be documented, though? Would it need to be noted in
the case of each such GUC?

-- 
Peter Geoghegan



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