Re: tracking commit timestamps

On Sun, Nov 9, 2014 at 8:41 PM, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> Robert Haas wrote:
>> I think the key question here is the time for which the data needs to
>> be retained.  2^32 of anything is a lot, but why keep around that
>> number of records rather than more (after all, we have epochs to
>> distinguish one use of a given txid from another) or fewer?
>
> The problem is not how much data we retain; is about how much data we
> can address.

I thought I was responding to a concern about disk space utilization.

-- 
Robert Haas
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