apache/spark — pull request #1589 by lianhuiwang (2014-07-25 09:33:38+00:00)
Title: [SPARK-2687] [yarn]amClient should remove ContainerRequest

in https://issues.apache.org/jira/browse/YARN-1902, after receving allocated containers,if amClient donot remove ContainerRequest,RM will continually allocate container for spark AppMaster.