On 2017-03-16 23:37:06 -0400, Tom Lane wrote: > Andrew Gierth <rhodiumt...@postgresql.org> writes: > > Avoid having vacuum set reltuples to 0 on non-empty relations in the > > presence of page pins, which leads to serious estimation errors in the > > planner. > > Hm, buildfarm results suggest this test is not entirely stable: > > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=crake&dt=2017-03-17%2000%3A47%3A57 > > I have not looked very closely, but I'm suspicious that the test case > depends on no autovacuum transactions running concurrently with it. > Disabling autovac on the table itself is not enough to control whether > global xmin is being held back by some other autovac transaction > somewhere.
Yea, brought it up on IRC too - he's gone for the night (Europe). I suspect changing things > might do the trick. - Andres -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
