From 1a08302897bac18baf0f56b7d41ad54f63ae191b Mon Sep 17 00:00:00 2001
From: Giovanni Matteo Fumarola <gifuma@apache.org>
Date: Tue, 8 Jan 2019 10:38:06 -0800
Subject: [PATCH] HDFS-14189. Fix intermittent failure of TestNameNodeMetrics.
 Contributed by Ayush Saxena.

---
 .../hdfs/server/namenode/metrics/TestNameNodeMetrics.java     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
index 64d6c19c7b9..d9cd4cedf05 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
@@ -473,7 +473,7 @@ public class TestNameNodeMetrics {
 
     verifyZeroMetrics();
     verifyAggregatedMetricsTally();
-
+    BlockManagerTestUtil.stopRedundancyThread(bm);
     // Corrupt first replica of the block
     LocatedBlock block = NameNodeAdapter.getBlockLocations(
         cluster.getNameNode(), file.toString(), 0, 1).get(0);
@@ -562,7 +562,7 @@ public class TestNameNodeMetrics {
 
     verifyZeroMetrics();
     verifyAggregatedMetricsTally();
-
+    BlockManagerTestUtil.stopRedundancyThread(bm);
     // Corrupt first replica of the block
     LocatedBlocks lbs = fs.getClient().getNamenode().getBlockLocations(
         ecFile.toString(), 0, fileLen);