HDFS-7379. TestBalancer#testBalancerWithRamDisk creates test files incorrectly. Contributed by Xiaoyu Yao.

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

@@ -898,6 +898,9 @@ Release 2.6.0 - UNRELEASED
     HDFS-7364. Balancer always shows zero Bytes Already Moved.
     (Tsz Wo Nicholas Sze via jing9)
 
+    HDFS-7379. TestBalancer#testBalancerWithRamDisk creates test files
+    incorrectly. (Xiaoyu Yao via wheat9)
+
     BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
   
       HDFS-6387. HDFS CLI admin tool for creating & deleting an

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java

@@ -1215,7 +1215,7 @@ public class TestBalancer {
       DFSTestUtil.createFile(fs, path1, true,
         DEFAULT_RAM_DISK_BLOCK_SIZE, 4 * DEFAULT_RAM_DISK_BLOCK_SIZE,
         DEFAULT_RAM_DISK_BLOCK_SIZE, REPL_FACT, SEED, true);
-      DFSTestUtil.createFile(fs, path1, true,
+      DFSTestUtil.createFile(fs, path2, true,
         DEFAULT_RAM_DISK_BLOCK_SIZE, 1 * DEFAULT_RAM_DISK_BLOCK_SIZE,
         DEFAULT_RAM_DISK_BLOCK_SIZE, REPL_FACT, SEED, true);