mesos/spark — pull request #322 by rxin (2012-12-11 01:39:21+00:00)
Title: SPARK_TEST_LOCAL_HOSTS and suppress shuffle block updates

1. Allow setting SPARK_TEST_LOCAL_HOSTS to provide local Spark cluster with a list of usable hostnames.

2. Avoid sending block updates for shuffle blocks to the master when a
slave's block manager comes back from hiatus.