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

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1098/ [Apr 5, 2019 4:09:50 AM] (github) HDDS-1379. Convert all OM Volume related operations to HA model. (#689) [Apr 5, 2019 4:26:06 PM] (inigoiri) HDFS-14416. Fix TestHdfsConfigFields for field [Apr 5, 2019

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

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/283/ [Apr 5, 2019 6:27:37 PM] (cliang) HDFS-14415. Backport HDFS-13799 to branch-2. Contributed by Chao Sun. -1 overall The following subsystems voted -1: asflicense findbugs hadolint pathlen unit