On Mon, Mar 13, 2017 at 8:40 PM, Rafia Sabih
<rafia.sabih@enterprisedb.com> wrote:
> In an attempt to test v7 of this patch on TPC-H 20 scale factor I found a
> few regressions,
> Q21: 52 secs on HEAD and 400 secs with this patch
Thanks Rafia. Robert just pointed out off-list that there is a bogus
0 row estimate in here:
-> Parallel Hash Semi Join (cost=1006599.34..1719227.30 rows=0
width=24) (actual time=38716.488..100933.250 rows=7315896 loops=5)
Will investigate, thanks.
> Q8: 8 secs on HEAD to 14 secs with patch
Also looking into this one.
--
Thomas Munro
http://www.enterprisedb.com