Natalie Wenz <nataliewenz(at)ebureau(dot)com> 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