Horton

Re: 16-bit page checksums for 9.2

Stephen Frost <sfrost@snowman.net>

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From: Stephen Frost <sfrost@snowman.net>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Jim Nasby <jim@nasby.net>, Kevin Grittner <Kevin.Grittner@wicourts.gov>, Andres Freund <andres@anarazel.de>, aidan@highrise.ca, stark@mit.edu, pgsql-hackers@postgresql.org
Date: 2012-01-06T01:10:17Z
Lists: pgsql-hackers 
* Simon Riggs (simon@2ndQuadrant.com) wrote:
> I discover that non-all-zeroes holes are fairly common, just not very frequent.

Curious, might be interesting to find out why.

> That may or may not be a problem, but not something to be dealt with
> here and now.

But I agree that it's not the job of this patch/effort.  It sounds like
we have clear indication, however, that those areas, as they are not
necessairly all zeros, should be included in the checksum.

	Thanks,

		Stephen