svn merge -c 1488630 from trunk for moving HDFS-4826 to 2.1.0-beta.
svn merge -c 1488630 from trunk for moving HDFS-4826 to 2.1.0-beta.


git-svn-id: 87fadc70c6d1ec4cad1ab866a1bdcf2d7235de87@1488631 13f79535-47bb-0310-9956-ffa450edef68

an3m0na/hadoop,Microsoft-CISL/hadoop-prototype,hasonhai/hadoop,intel-hadoop/hadoop,zjshen/hadoop-in-docker,MjAbuz/hadoop,mix/hadoop,hasonhai/hadoop,satishpatil2k13/ODPI-Hadoop,satishpatil2k13/ODPI-Hadoop,huiyi-learning/hadoop,intel-hadoop/hadoop,mix/hadoop,MjAbuz/hadoop,zrccxyb62/hadoop,zrccxyb62/hadoop,mix/hadoop,satishpatil2k13/ODPI-Hadoop,satishpatil2k13/ODPI-Hadoop,MjAbuz/hadoop,huiyi-learning/hadoop,satishpatil2k13/ODPI-Hadoop,intel-hadoop/hadoop,huiyi-learning/hadoop,MjAbuz/hadoop,Microsoft-CISL/hadoop-prototype,zjshen/hadoop-in-docker,intel-hadoop/hadoop,jokes000/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,mix/hadoop,huiyi-learning/hadoop,myeoje/PhillyYarn,MjAbuz/hadoop,zjshen/hadoop-in-docker,satishpatil2k13/ODPI-Hadoop,an3m0na/hadoop,satishpatil2k13/ODPI-Hadoop,an3m0na/hadoop,an3m0na/hadoop,jokes000/hadoop,myeoje/PhillyYarn,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,jokes000/hadoop,satishpatil2k13/ODPI-Hadoop,myeoje/PhillyYarn,zrccxyb62/hadoop,myeoje/PhillyYarn,zjshen/hadoop-in-docker,huiyi-learning/hadoop,myeoje/PhillyYarn,zjshen/hadoop-in-docker,zjshen/hadoop-in-docker,zrccxyb62/hadoop,MjAbuz/hadoop,myeoje/PhillyYarn,mix/hadoop,hasonhai/hadoop,intel-hadoop/hadoop,an3m0na/hadoop,Microsoft-CISL/hadoop-prototype,MjAbuz/hadoop,jokes000/hadoop,mix/hadoop,jokes000/hadoop,Microsoft-CISL/hadoop-prototype,hasonhai/hadoop,hasonhai/hadoop,hasonhai/hadoop,hasonhai/hadoop,Microsoft-CISL/hadoop-prototype,myeoje/PhillyYarn,intel-hadoop/hadoop,an3m0na/hadoop,zjshen/hadoop-in-docker,intel-hadoop/hadoop,mix/hadoop,mix/hadoop,myeoje/PhillyYarn,huiyi-learning/hadoop,an3m0na/hadoop,hasonhai/hadoop,huiyi-learning/hadoop,jokes000/hadoop,jokes000/hadoop,zrccxyb62/hadoop,an3m0na/hadoop,jokes000/hadoop,zrccxyb62/hadoop,huiyi-learning/hadoop,zjshen/hadoop-in-docker