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

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1192/ [Jul 8, 2019 6:49:16 AM] (github) HDDS-1728. Add metrics for leader's latency in ContainerStateMachine. [Jul 8, 2019 7:23:46 AM] (weichiu) HDFS-12862. CacheDirective becomes invalid when NN restart or

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

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/377/ [Jul 8, 2019 3:04:08 AM] (inigoiri) HDFS-13694. Making md5 computing being in parallel with image loading. -1 overall The following subsystems voted -1: asflicense findbugs hadolint pathlen