HDFS-13945. TestDataNodeVolumeFailure is Flaky. Contributed by Ayush Saxena.

(cherry picked from commit 6e0e6daaf3215213c32cdffa79f3730d40e981ea)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/b185964b
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/b185964b
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/b185964b

Branch: refs/heads/branch-3.2
Commit: b185964b15329996e17ae43107afe3470e0b4231
Parents: d838d39
Author: Vinayakumar B <vinayakum...@apache.org>
Authored: Fri Oct 12 17:34:10 2018 +0530
Committer: Vinayakumar B <vinayakum...@apache.org>
Committed: Fri Oct 12 17:34:28 2018 +0530

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 .../hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/b185964b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
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diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
index 16c0cfa..7d04942 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeFailure.java
@@ -424,10 +424,8 @@ public class TestDataNodeVolumeFailure {
       @Override
       public Boolean get() {
         // underReplicatedBlocks are due to failed volumes
-        int underReplicatedBlocks = BlockManagerTestUtil
-            .checkHeartbeatAndGetUnderReplicatedBlocksCount(
-                cluster.getNamesystem(), bm);
-
+        long underReplicatedBlocks = bm.getLowRedundancyBlocksCount()
+            + bm.getPendingReconstructionBlocksCount();
         if (underReplicatedBlocks > 0) {
           return true;
         }


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