HDFS-7084. FsDatasetImpl#copyBlockFiles debug log can be improved. (Contributed by Xiaoyu Yao)

hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-6581.txt

@@ -54,4 +54,6 @@
 
     HDFS-7080. Fix finalize and upgrade unit test failures. (Arpit Agarwal)
 
+    HDFS-7084. FsDatasetImpl#copyBlockFiles debug log can be improved.
+    (Xiaoyu Yao via Arpit Agarwal)
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java

@@ -637,8 +637,8 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
       throw new IOException("Failed to copy " + srcFile + " to " + dstFile, e);
     }
     if (LOG.isDebugEnabled()) {
-      LOG.debug("addBlock: Moved " + srcMeta + " to " + dstMeta);
-      LOG.debug("addBlock: Moved " + srcFile + " to " + dstFile);
+      LOG.debug("Copied " + srcMeta + " to " + dstMeta);
+      LOG.debug("Copied " + srcFile + " to " + dstFile);
     }
     return new File[] {dstMeta, dstFile};
   }