HDFS-7398. Reset cached thread-local FSEditLogOp's on every FSEditLog#logEdit. Contributed by Gera Shegalov.

(cherry picked from commit 9e81be01144d5cf520313608e85cdc1d8063aa15)
HADOOP-11201. Hadoop Archives should support globs resolving to files. Contributed by Gera Shegalov.

(cherry picked from commit 79301e80d7510f055c01a06970bb409607a4197c)
HDFS-7225. Remove stale block invalidation work when DN re-registers with different UUID. (Zhe Zhang and Andrew Wang)

(cherry picked from commit 406c09ad1150c4971c2b7675fcb0263d40517fbf)
HDFS-7373. Allow decommissioning of dead DataNodes. Contributed by Zhe Zhang.

(cherry picked from commit 5bd048e8378034b496bacc73b470a25d855aceb1)