Horton

Re: PITR, checkpoint, and local relations

Greg Copeland <greg@copelandconsulting.net>

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From: Greg Copeland <greg@CopelandConsulting.Net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Bruce Momjian <pgman@candle.pha.pa.us>, Christopher Kings-Lynne <chriskl@familyhealth.com.au>, "J. R. Nield" <jrnield@usol.com>, Richard Tucker <richt@multera.com>, PostgreSQL Hacker <pgsql-hackers@postgresql.org>
Date: 2002-08-05T04:21:38Z
Lists: pgsql-hackers 
On Sat, 2002-08-03 at 21:01, Tom Lane wrote:
> * Local bufmgr semantics are twiddled to reflect this reality --- in
> particular, data in local buffers can be held across transactions, there
> is no end-of-transaction write (much less fsync).  A TEMP table that
> isn't too large might never touch disk at all.

Curious.  Is there currently such a criteria?  What exactly constitutes
"too large"?

Greg