Horton

Re: Tweaking DSM and DSA limits

Robert Haas <robertmhaas@gmail.com>

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From: Robert Haas <robertmhaas@gmail.com>
To: David Fetter <david@fetter.org>
Cc: Thomas Munro <thomas.munro@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2019-06-24T13:57:34Z
Lists: pgsql-hackers 
On Thu, Jun 20, 2019 at 5:00 PM David Fetter <david@fetter.org> wrote:
> Is there perhaps a way to make raising max_connections not require a
> restart? There are plenty of situations out there where restarts
> aren't something that can be done on a whim.

Sure, if you want to make this take about 100x more work.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. Adjust DSM and DSA slot usage constants (back-patch).

  2. Report time spent in posix_fallocate() as a wait event.