Re: nested transactions - Mailing list pgsql-hackers

From Tom Lane
Subject Re: nested transactions
Date
Msg-id 20262.1038549362@sss.pgh.pa.us
Whole thread Raw
In response to Re: nested transactions  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: nested transactions  ("Matthew T. O'Connor" <matthew@zeut.net>)
List pgsql-hackers
Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Tom Lane wrote:
>> But we already have a recycling mechanism for pg_clog.  AFAICS,
>> creating a parallel log file with a separate recycling mechanism is
>> a study in wasted effort.

> But that recycling requires the vacuum of every database in the system. 
> Do people do that frequently enough?

Once the auto vacuum code is in there, they won't have any choice ;-)

In any case, I saw no part of your proposal that removed the need for
vacuum, so what's your point?
        regards, tom lane


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