Masatake Iwasaki 9e2936f8d1
HADOOP-17424. Replace HTrace with No-Op tracer (#3520)
(cherry picked from commit 1a205cc3adffa568c814a5241e041b08e2fcd3eb)

 Conflicts:
	hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
	hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
	hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tracing/TestTracing.java

Co-authored-by: Siyao Meng <50227127+smengcl@users.noreply.github.com>
2021-10-12 00:07:09 +09:00

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