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 &
Services
