Postgres Pro
Downloads
Home   >   mailing lists

Re: Running a query twice to ensure cached results. - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Running a query twice to ensure cached results.
Date
Msg-id 22825.1150210900@sss.pgh.pa.us
Whole thread Raw
In response to Re: Running a query twice to ensure cached results.  ("Luke Lonergan" <llonergan@greenplum.com>)
List pgsql-hackers
Tree view 
"Luke Lonergan" <llonergan@greenplum.com> writes:
> What you are seeing is the now infamous "Postgres writes a table one more
> time after loading" behavior.

> Tom - can you explain what's going on with this?

Setting XMIN_COMMITTED hint bits.
        regards, tom lane

pgsql-hackers by date:

Previous
From: Andrew Dunstan
Date:
Subject: Re: CSV mode option for pg_dump
Next
From: "Joshua D. Drake"
Date:
Subject: Re: CSV mode option for pg_dump