Re: pg_buffercache's usage count - Mailing list pgsql-general

From Ben Chobot
Subject Re: pg_buffercache's usage count
Date
Msg-id 95AA0CCF-E226-4A4C-83DF-2FCDFA639B36@silentmedia.com
Whole thread Raw
In response to pg_buffercache's usage count  (Ben Chobot <bench@silentmedia.com>)
Responses Re: pg_buffercache's usage count  (Greg Smith <greg@2ndquadrant.com>)
List pgsql-general
On Feb 23, 2010, at 3:06 PM, Ben Chobot wrote:

> I'm looking at the usage count column of pg_buffercache's info, and I'm confused. Several buffers that supposed have
LRUvalues of 5 belong to non-unique indices which supposedly have never been used. As I understand things, that
shouldn'thappen. Am I missing something? 

(And maybe more to the point, when does the LRU go down in value?)

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