Avoided running more test processes than necessary.

This reduces the time spent cloning databases.

Thanks Tim for the suggestion.

1 files changed, 4 insertions, 0 deletions

diff --git a/docs/ref/django-admin.txt b/docs/ref/django-admin.txt
index 4a7b03de43..dff48ac460 100644
--- a/docs/ref/django-admin.txt
+++ b/docs/ref/django-admin.txt
@@ -1274,6 +1274,10 @@ By default ``--parallel`` runs one process per core according to
 either by providing it as the option's value, e.g. ``--parallel=4``, or by
 setting the ``DJANGO_TEST_PROCESSES`` environment variable.
 
+Django distributes test cases — :class:`unittest.TestCase` subclasses — to
+subprocesses. If there are fewer test cases than configured processes, Django
+will reduce the number of processes accordingly.
+
 Each process gets its own database. You must ensure that different test cases
 don't access the same resources. For instance, test cases that touch the
 filesystem should create a temporary directory for their own use.