Re: 16-bit page checksums for 9.2

Josh Berkus <josh@agliodbs.com>

From: Josh Berkus <josh@agliodbs.com>
To: pgsql-hackers@postgresql.org
Date: 2012-03-01T17:42:43Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Wakeup WALWriter as needed for asynchronous commit performance.

>> And how would a DBA know that?
> 
> We'd add a column to pg_class that tracks which page version is in use
> for each relation.

So a relation can't have some pages in Version 9.2, and other pages in
version 9.3?  How will this work for 2TB tables?

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com