Reapply but include JIRA # in the commit message this time. Revert "Revert "Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch-2.9"" This reverts commit 1dd54163fcb40b60efc7ca153d443129e424df7d.
Reapply but include JIRA # in the commit message this time. Revert "Revert "Backport HDFS-8901 Use ByteBuffer in DFSInputStream#read to branch-2.9"" This reverts commit 1dd54163fcb40b60efc7ca153d443129e424df7d.