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

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1180/ [Jun 26, 2019 3:53:14 PM] (ztang) YARN-9477. Implement VE discovery using libudev. Contributed by Peter [Jun 26, 2019 6:44:49 PM] (bharat) HDDS-1691 : RDBTable#isExist should use Rocksdb#keyMayExist

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

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/365/ No changes -1 overall The following subsystems voted -1: asflicense findbugs hadolint pathlen unit xml The following subsystems voted -1 but were configured to be filtered/ignored: cc