Apache Hadoop qbt Report: trunk+JDK9 on Linux/x86

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java9-linux-x86/12/ [Feb 11, 2018 3:17:38 AM] (wangda) Preparing for 3.2.0 development [Feb 11, 2018 4:02:10 AM] (yqlin) HDFS-13130. Log object instance get incorrectly in SlowDiskTracker. [Feb 11, 2018 6:20:46 AM] (wwei)

Apache Hadoop qbt Report: branch2+JDK7 on Linux/x86

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/145/ [Feb 23, 2018 4:58:08 AM] (aajisaka) HADOOP-15236. Fix typo in RequestHedgingProxyProvider and [Feb 23, 2018 10:00:33 PM] (xiao) HDFS-13164. File not closed if streamer fail with [Feb 23, 2018 10:40:51

Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/702/ [Feb 23, 2018 4:55:18 AM] (aajisaka) HADOOP-15236. Fix typo in RequestHedgingProxyProvider and [Feb 23, 2018 10:40:29 AM] (sunilg) YARN-7675. [UI2] Support loading pre-2.8 version /scheduler REST [Feb 23,