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Re: Avoiding transaction ID wrap - Mailing list pgsql-admin

From Tom Lane
Subject Re: Avoiding transaction ID wrap
Date
Msg-id 8988.1019773882@sss.pgh.pa.us
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In response to Avoiding transaction ID wrap  ("Nick Fankhauser" <nickf@ontko.com>)
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"Nick Fankhauser" <nickf@ontko.com> writes:
> Watching Michael's problem vicariously has me all worried about transaction
> ID wrap now.

> I'm on v7.1.3- will checking the size of $PGDATA/pg_log work for me as well?

> At what size should I begin to worry?

If you get to 1GB (4 billion transactions at 2 bits each) you are screwed.

Anyone who is over the 1-billion-xacts mark (250MB pg_log) probably
ought to be thinking about moving to 7.2 sooner, not later.

            regards, tom lane

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