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

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1204/ [Jul 20, 2019 3:21:28 AM] (dazhou) HADOOP-16404. ABFS default blocksize change(256MB from 512MB) [Jul 20, 2019 7:41:14 AM] (ayushsaxena) HADOOP-16440. Distcp can not preserve timestamp with -delete option

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

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/389/ 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 check