Re: [HACKERS] Autovacuum loose ends

From: "Matthew T(dot) O'Connor" <matthew(at)zeut(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, pgsql-patches(at)postgresql(dot)org
Subject: Re: [HACKERS] Autovacuum loose ends
Date: 2005-07-25 15:33:37
Message-ID: 42E50651.3040603@zeut.net
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Tom Lane wrote:

>"Matthew T. O'Connor" <matthew(at)zeut(dot)net> writes:
>
>
>>I don't know either, but this brings up another question. Stats
>>wraparound.
>>
>We'll all be safely dead, for one thing ;-)
>
>At one update per nanosecond, it'd take approximately 300 years to wrap
>a 64-bit counter. Somehow I don't have a problem with the idea that
>Postgres would need to be rebooted that often. We'd want to fix the
>32-bit nature of XIDs long before 64-bit stats counters get to be a
>real-world issue ...
>

*sigh* Sorry, I should have done a little math before I asked that
question.....

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