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From cnaur...@apache.org
Subject svn commit: r1537349 - in /hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
Date Wed, 30 Oct 2013 23:53:28 GMT
Author: cnauroth
Date: Wed Oct 30 23:53:27 2013
New Revision: 1537349

URL: http://svn.apache.org/r1537349
Log:
HDFS-4633. Merging change r1537347 from branch-2 to branch-2.2

Modified:
    hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java

Modified: hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1537349&r1=1537348&r2=1537349&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Wed Oct
30 23:53:27 2013
@@ -75,6 +75,9 @@ Release 2.2.1 - UNRELEASED
 
     HDFS-5065. TestSymlinkHdfsDisable fails on Windows. (ivanmi)
 
+    HDFS-4633 TestDFSClientExcludedNodes fails sporadically if excluded nodes
+    cache expires too quickly  (Chris Nauroth via Sanjay)
+
 Release 2.2.0 - 2013-10-13
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java?rev=1537349&r1=1537348&r2=1537349&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
(original)
+++ hadoop/common/branches/branch-2.2/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientExcludedNodes.java
Wed Oct 30 23:53:27 2013
@@ -32,6 +32,8 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.MiniDFSCluster.DataNodeProperties;
 import org.apache.hadoop.util.ThreadUtil;
 
+import org.junit.After;
+import org.junit.Before;
 import org.junit.Test;
 
 
@@ -41,10 +43,25 @@ import org.junit.Test;
  */
 public class TestDFSClientExcludedNodes {
 
-  @Test(timeout=10000)
+  private MiniDFSCluster cluster;
+  private Configuration conf;
+
+  @Before
+  public void setUp() {
+    cluster = null;
+    conf = new HdfsConfiguration();
+  }
+
+  @After
+  public void tearDown() {
+    if (cluster != null) {
+      cluster.shutdown();
+    }
+  }
+
+  @Test(timeout=60000)
   public void testExcludedNodes() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
+    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
     FileSystem fs = cluster.getFileSystem();
     Path filePath = new Path("/testExcludedNodes");
 
@@ -67,17 +84,16 @@ public class TestDFSClientExcludedNodes 
     }
   }
 
-  @Test(timeout=10000)
+  @Test(timeout=60000)
   public void testExcludedNodesForgiveness() throws IOException {
-    Configuration conf = new HdfsConfiguration();
-    // Forgive nodes in under 1s for this test case.
+    // Forgive nodes in under 2.5s for this test case.
     conf.setLong(
         DFSConfigKeys.DFS_CLIENT_WRITE_EXCLUDE_NODES_CACHE_EXPIRY_INTERVAL,
-        1000);
+        2500);
     // We'll be using a 512 bytes block size just for tests
     // so making sure the checksum bytes too match it.
     conf.setInt("io.bytes.per.checksum", 512);
-    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
+    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
     List<DataNodeProperties> props = cluster.dataNodes;
     FileSystem fs = cluster.getFileSystem();
     Path filePath = new Path("/testForgivingExcludedNodes");
@@ -112,11 +128,11 @@ public class TestDFSClientExcludedNodes 
     Assert.assertEquals(true, cluster.restartDataNode(two, true));
     cluster.waitActive();
 
-    // Sleep for 2s, to let the excluded nodes be expired
+    // Sleep for 5s, to let the excluded nodes be expired
     // from the excludes list (i.e. forgiven after the configured wait period).
-    // [Sleeping just in case the restart of the DNs completed < 2s cause
+    // [Sleeping just in case the restart of the DNs completed < 5s cause
     // otherwise, we'll end up quickly excluding those again.]
-    ThreadUtil.sleepAtLeastIgnoreInterrupts(2000);
+    ThreadUtil.sleepAtLeastIgnoreInterrupts(5000);
 
     // Terminate the last good DN, to assert that there's no
     // single-DN-available scenario, caused by not forgiving the other



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