=head1 Space Requirements
-The complete perl5 source tree takes up about 35 MB of disk space.
-After completing make, it takes up roughly 50 MB, though the actual
+The complete perl5 source tree takes up about 40 MB of disk space.
+After completing make, it takes up roughly 60 MB, though the actual
total is likely to be quite system-dependent. The installation
-directories need something on the order of 30 MB, though again that
+directories need something on the order of 35 MB, though again that
value is system-dependent.
=head1 Start with a Fresh Distribution
open("...|"). All these mean that Perl is trying to run some
external program.
+=item Timing problems
+
+Several tests in the test suite check timing functions, such as
+sleep(), and see if they return in a reasonable amount of time.
+If your system is quite busy and doesn't return quickly enough,
+these tests might fail. If possible, try running the tests again with
+the system under a lighter load. These tests include F<t/op/alarm.t>,
+F<ext/Time/HiRes/HiRes.t>, and F<lib/Benchmark.t>.
+
=item Out of memory
On some systems, particularly those with smaller amounts of RAM, some