Tom Lane wrote: > Alvaro Herrera <alvhe...@2ndquadrant.com> writes: > > Andrew Dunstan wrote: > >> There's something odd about the brin regression tests. They seem to > >> generate > >> intermittent failures, which suggests some sort of race condition or > >> ordering failure. > >> > >> See for example > >> <http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=fulmar&dt=2015-05-15%2001%3A02%3A28> > >> and > >> <http://www.pgbuildfarm.org/cgi-bin/show_log.pl?nm=sittella&dt=2015-05-15%2021%3A08%3A38> > > > Yeah it's pretty odd. > > Oooh. I saw the sittella failure and assumed it was triggered by the > latest BRIN additions, but that fulmar failure is from before those hit. > > Just from reading the documentation, couldn't the symptom we're seeing > arise from autovacuum having hit the table right before > brin_summarize_new_values got called?
Well, I added a autovacuum_enabled=off to that table recently precisely because that was my hypothesis. It didn't work though, so it must be sometihng else. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers