HDFS-7213. processIncrementalBlockReport performance degradation. Contributed by Eric Payne. Moved CHANGES.TXT entry to 2.6.1
HDFS-7213. processIncrementalBlockReport performance degradation. Contributed by Eric Payne.
Moved CHANGES.TXT entry to 2.6.1

(cherry picked from commit d25cb8fe12d00faf3e8f3bfd23fd1b01981a340f)

zrccxyb62/hadoop,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop