Rudolf van der Leeden <vanderleeden@logicunited.com> writes:
> [ different times to build a varchar index on allegedly identical
> installations ]
Perhaps one is using C locale and the other is not? strcmp() vs
strcoll() is a pretty big hit. In general it'd be worth dumping
out the whole contents of pg_settings and diffing those two files
to see if you missed any configuration differences.
regards, tom lane