Re: Proposing pg_hibernate
Andres Freund <andres@2ndquadrant.com>
From: Andres Freund <andres@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Gurjeet Singh <gurjeet@singh.im>,
PGSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2014-06-04T18:52:44Z
Lists: pgsql-hackers
On 2014-06-04 14:50:39 -0400, Robert Haas wrote: > The thing I was concerned about is that the system might have been in > recovery for months. What was hot at the time the base backup was > taken seems like a poor guide to what will be hot at the time of > promotion. Consider a history table, for example: the pages at the > end, which have just been written, are much more likely to be useful > than anything earlier. I'd assumed that the hibernation files would simply be excluded from the basebackup... Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services