Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > It only becomes better if we can throw away that file (or contents) when
> > the transaction completes and we have marked all the subtransactions as
> > completed. We can't compress pg_clog if we store the parent info in
> > there.
> 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?
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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