Re: brin autosummarization -- autovacuum "work items"

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Thomas Munro <thomas.munro@enterprisedb.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-31T19:29:08Z
Lists: pgsql-hackers
On Tue, Mar 21, 2017 at 4:10 PM, Alvaro Herrera
<alvherre@2ndquadrant.com> wrote:
> Well, the number of work items is currently fixed; but if you have many
> BRIN indexes, then you'd overflow (lose requests).  By using DSA I am
> making it easy to patch this afterwards so that an arbitrary number of
> requests can be recorded.

But that could also use an arbitrarily large amount of memory, and any
leaks will be cluster-lifespan.

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


Commits

  1. BRIN auto-summarization