svn merge -c 1451291 FIXES: HADOOP-9230. TestUniformSizeInputFormat fails intermittently. Contributed by Karthik Kambatla


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1588470 13f79535-47bb-0310-9956-ffa450edef68