Re: Freezing without write I/O

On Thu, May 30, 2013 at 04:33:50PM +0300, Heikki Linnakangas wrote:
> This would also be the first step in allowing the clog to grow
> larger than 2 billion transactions, eliminating the need for
> anti-wraparound freezing altogether. You'd still want to truncate
> the clog eventually, but it would be nice to not be pressed against
> the wall with "run vacuum freeze now, or the system will shut down".

Keep in mind that autovacuum_freeze_max_age is 200M to allow faster clog
truncation.  Does this help that?

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