Natalie Wenz <nataliewenz@xxxxxxxxxxx> writes: > I actually created a new database with initdb and started it without tuning anything just prior to running the installcheck each time. However, I did start fresh and try just the make check anyway: > cd /tmp/postgresql-9.5.9/ > ./configure --with-segsize=10 --with-blocksize=32 --with-pam --with-libraries=/usr/local/lib --with-includes=/usr/local/include Oh. It's likely the --with-blocksize=32 that is causing you to get different results. That will affect cost estimates ... regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin