Re: Turning off HOT/Cleanup sometimes

On 2015-03-11 20:55:18 -0400, Peter Eisentraut wrote:
> I don't think so.  Andres basically wanted a nontrival algorithm to
> determine how much pruning to do during a read-only scan.  And Robert
> basically said, that's not really possible.

I don't think either of us made really strong statements.

> We have seen some benchmarks that show significant improvements.  We
> have seen some (constructed ones) that show problems.

FWIW, it's not that constructed. It's just a mixture of read with write
load.

Greetings,

Andres Freund

-- Andres Freund                       http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training &
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