[VOTE] Merge YARN-8200 to branch-2 and branch-3.0

Hi folks, As per [1], starting a vote to merge YARN-8200 (and YARN-8200.branch3) feature branch to branch-2 (and branch-3.0). Vote runs for 7 days, to Thursday, Aug 29 5:00PM PDT. Thanks. [1] http://mail-archives.apache.org/mod_mbox/hadoop-yarn-dev/201908.mbox/%3cCAHzWLgcX7f5Tr3q=csrqgysvpdf7mh

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

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1236/ [Aug 21, 2019 3:24:19 AM] (aengineer) HDFS-14759. HDFS cat logs an info message. Contributed by Eric Badger. [Aug 21, 2019 8:18:21 AM] (bibinchundatt) YARN-9765. SLS runner crashes when run with metrics t

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

For more details, see https://builds.apache.org/job/hadoop-qbt-branch2-java7-linux-x86/421/ [Aug 21, 2019 4:04:07 PM] (weichiu) Revert "HDFS-14476. lock too long when fix inconsistent blocks between -1 overall The following subsystems voted -1: asflicense findbugs hadolint pathlen unit