HADOOP-9230. TestUniformSizeInputFormat fails intermittently. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1451292 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4871. AM uses mapreduce.jobtracker.split.metainfo.maxsize but mapred-default has mapreduce.job.split.metainfo.maxsize (Jason Lowe via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1451319 13f79535-47bb-0310-9956-ffa450edef68
svn merge -r 1451340:1451341 Merging from trunk to branch-2 to fix YARN-269.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1451342 13f79535-47bb-0310-9956-ffa450edef68