Re: SSI patch version 14

Kevin Grittner <kevin.grittner@wicourts.gov>

From: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>

To: "Heikki Linnakangas" <heikki.linnakangas@enterprisedb.com>

Cc: <simon@2ndQuadrant.com>,<markus@bluegap.ch>, <drkp@csail.mit.edu>, <pgsql-hackers@postgresql.org>

Date: 2011-02-08T19:24:05Z

Lists: pgsql-hackers

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> wrote:
 
> Taking RWConflictPool into account in PredicateLockShmemSize() fixes
the 
> underestimate, but makes the overestimate correspondingly larger.
I've 
> never compared the actual and estimated shmem sizes of other parts of

> the backend, so I'm not sure how large discrepancies we usually have,

> but that seems quite big.
 
Looking into it...
 
-Kevin