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From t...@apache.org
Subject svn commit: r1229023 - in /hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs: ./ src/test/java/org/apache/hadoop/hdfs/ src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/
Date Mon, 09 Jan 2012 04:12:38 GMT
Author: todd
Date: Mon Jan  9 04:12:37 2012
New Revision: 1229023

URL: http://svn.apache.org/viewvc?rev=1229023&view=rev
Log:
HDFS-2730. Refactor shared HA-related test code into HATestUtil class. Contributed by Todd
Lipcon.

Added:
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
Modified:
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientFailover.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencingWithReplication.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java
    hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyIsHot.java

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-1623.txt
Mon Jan  9 04:12:37 2012
@@ -87,3 +87,5 @@ HDFS-2720. Fix MiniDFSCluster HA support
 HDFS-2291. Allow the StandbyNode to make checkpoints in an HA setup. (todd)
 
 HDFS-2709. Appropriately handle error conditions in EditLogTailer (atm via todd)
+
+HDFS-2730. Refactor shared HA-related test code into HATestUtil class (todd)

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientFailover.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientFailover.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientFailover.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSClientFailover.java
Mon Jan  9 04:12:37 2012
@@ -18,14 +18,12 @@
 package org.apache.hadoop.hdfs;
 
 import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX;
-import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HA_NAMENODES_KEY;
-import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY;
+
 import static org.junit.Assert.*;
 
 import java.io.IOException;
 import java.io.OutputStream;
 import java.net.InetSocketAddress;
-import java.net.URI;
 import java.net.URISyntaxException;
 
 import org.apache.hadoop.conf.Configuration;
@@ -34,6 +32,7 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.protocol.ClientProtocol;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider;
+import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil;
 import org.apache.hadoop.test.GenericTestUtils;
 import org.junit.After;
 import org.junit.Before;
@@ -46,7 +45,6 @@ public class TestDFSClientFailover {
   
   private Configuration conf = new Configuration();
   private MiniDFSCluster cluster;
-  private static final String LOGICAL_HOSTNAME = "ha-nn-uri-%d";
   
   @Before
   public void setUpCluster() throws IOException {
@@ -83,7 +81,7 @@ public class TestDFSClientFailover {
     out1.close();
     out2.close();
         
-    FileSystem fs = configureFailoverFs(cluster, conf);
+    FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
     
     AppendTestUtil.check(fs, TEST_FILE, FILE_LENGTH_TO_VERIFY);
     cluster.getNameNode(0).stop();
@@ -92,7 +90,7 @@ public class TestDFSClientFailover {
     // Check that it functions even if the URL becomes canonicalized
     // to include a port number.
     Path withPort = new Path("hdfs://" +
-        getLogicalHostname(cluster) + ":" +
+        HATestUtil.getLogicalHostname(cluster) + ":" +
         NameNode.DEFAULT_PORT + "/" + TEST_FILE.toUri().getPath());
     FileSystem fs2 = withPort.getFileSystem(fs.getConf());
     assertTrue(fs2.exists(withPort));
@@ -117,38 +115,4 @@ public class TestDFSClientFailover {
           "does not use port information", ioe);
     }
   }
-
-  public static FileSystem configureFailoverFs(MiniDFSCluster cluster, Configuration conf)
-  throws IOException, URISyntaxException {
-    InetSocketAddress nnAddr1 = cluster.getNameNode(0).getNameNodeAddress();
-    InetSocketAddress nnAddr2 = cluster.getNameNode(1).getNameNodeAddress();
-
-    String nsId = "nameserviceId1";
-    
-    String nameNodeId1 = "nn1";
-    String nameNodeId2 = "nn2";
-    String logicalName = getLogicalHostname(cluster);
-    
-    conf = new Configuration(conf);
-    String address1 = "hdfs://" + nnAddr1.getHostName() + ":" + nnAddr1.getPort();
-    String address2 = "hdfs://" + nnAddr2.getHostName() + ":" + nnAddr2.getPort();
-    conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
-        nsId, nameNodeId1), address1);
-    conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
-        nsId, nameNodeId2), address2);
-    
-    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, nsId);
-    conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY, nsId),
-        nameNodeId1 + "," + nameNodeId2);
-    conf.set(DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + logicalName,
-        ConfiguredFailoverProxyProvider.class.getName());
-    
-    FileSystem fs = FileSystem.get(new URI("hdfs://" + logicalName), conf);
-    return fs;
-  }
-
-  private static String getLogicalHostname(MiniDFSCluster cluster) {
-    return String.format(LOGICAL_HOSTNAME, cluster.getInstanceId());
-  }
-
 }

Added: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java?rev=1229023&view=auto
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
(added)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/HATestUtil.java
Mon Jan  9 04:12:37 2012
@@ -0,0 +1,162 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hdfs.server.namenode.ha;
+
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_HA_NAMENODES_KEY;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_RPC_ADDRESS_KEY;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.concurrent.TimeoutException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DFSUtil;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.server.datanode.DataNode;
+import org.apache.hadoop.hdfs.server.datanode.DataNodeAdapter;
+import org.apache.hadoop.hdfs.server.namenode.NameNode;
+import org.apache.hadoop.test.GenericTestUtils;
+
+import com.google.common.base.Supplier;
+
+/**
+ * Static utility functions useful for testing HA.
+ */
+public abstract class HATestUtil {
+  private static Log LOG = LogFactory.getLog(HATestUtil.class);
+  
+  private static final String LOGICAL_HOSTNAME = "ha-nn-uri-%d";
+  
+  /**
+   * Trigger an edits log roll on the active and then wait for the standby to
+   * catch up to all the edits done by the active. This method will check
+   * repeatedly for up to NN_LAG_TIMEOUT milliseconds, and then fail throwing
+   * {@link CouldNotCatchUpException}
+   * 
+   * @param active active NN
+   * @param standby standby NN which should catch up to active
+   * @throws IOException if an error occurs rolling the edit log
+   * @throws CouldNotCatchUpException if the standby doesn't catch up to the
+   *         active in NN_LAG_TIMEOUT milliseconds
+   */
+  static void waitForStandbyToCatchUp(NameNode active,
+      NameNode standby) throws InterruptedException, IOException, CouldNotCatchUpException
{
+    
+    long activeTxId = active.getNamesystem().getFSImage().getEditLog()
+      .getLastWrittenTxId();
+    
+    active.getRpcServer().rollEditLog();
+    
+    long start = System.currentTimeMillis();
+    while (System.currentTimeMillis() - start < TestEditLogTailer.NN_LAG_TIMEOUT) {
+      long nn2HighestTxId = standby.getNamesystem().getFSImage()
+        .getLastAppliedTxId();
+      if (nn2HighestTxId >= activeTxId) {
+        return;
+      }
+      Thread.sleep(TestEditLogTailer.SLEEP_TIME);
+    }
+    throw new CouldNotCatchUpException("Standby did not catch up to txid " +
+        activeTxId + " (currently at " +
+        standby.getNamesystem().getFSImage().getLastAppliedTxId() + ")");
+  }
+
+  /**
+   * Wait for the datanodes in the cluster to process any block
+   * deletions that have already been asynchronously queued.
+   */
+  static void waitForDNDeletions(final MiniDFSCluster cluster)
+      throws TimeoutException, InterruptedException {
+    GenericTestUtils.waitFor(new Supplier<Boolean>() {
+      @Override
+      public Boolean get() {
+        for (DataNode dn : cluster.getDataNodes()) {
+          if (DataNodeAdapter.getPendingAsyncDeletions(dn) > 0) {
+            return false;
+          }
+        }
+        return true;
+      }
+    }, 1000, 10000);
+    
+  }
+
+  /**
+   * Wait for the NameNode to issue any deletions that are already
+   * pending (i.e. for the pendingDeletionBlocksCount to go to 0)
+   */
+  static void waitForNNToIssueDeletions(final NameNode nn)
+      throws Exception {
+    GenericTestUtils.waitFor(new Supplier<Boolean>() {
+      @Override
+      public Boolean get() {
+        LOG.info("Waiting for NN to issue block deletions to DNs");
+        return nn.getNamesystem().getBlockManager().getPendingDeletionBlocksCount() == 0;
+      }
+    }, 250, 10000);
+  }
+
+  public static class CouldNotCatchUpException extends IOException {
+    private static final long serialVersionUID = 1L;
+
+    public CouldNotCatchUpException(String message) {
+      super(message);
+    }
+  }
+
+  public static FileSystem configureFailoverFs(MiniDFSCluster cluster, Configuration conf)
+  throws IOException, URISyntaxException {
+    InetSocketAddress nnAddr1 = cluster.getNameNode(0).getNameNodeAddress();
+    InetSocketAddress nnAddr2 = cluster.getNameNode(1).getNameNodeAddress();
+  
+    String nsId = "nameserviceId1";
+    
+    String nameNodeId1 = "nn1";
+    String nameNodeId2 = "nn2";
+    String logicalName = getLogicalHostname(cluster);
+    
+    conf = new Configuration(conf);
+    String address1 = "hdfs://" + nnAddr1.getHostName() + ":" + nnAddr1.getPort();
+    String address2 = "hdfs://" + nnAddr2.getHostName() + ":" + nnAddr2.getPort();
+    conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
+        nsId, nameNodeId1), address1);
+    conf.set(DFSUtil.addKeySuffixes(DFS_NAMENODE_RPC_ADDRESS_KEY,
+        nsId, nameNodeId2), address2);
+    
+    conf.set(DFSConfigKeys.DFS_FEDERATION_NAMESERVICES, nsId);
+    conf.set(DFSUtil.addKeySuffixes(DFS_HA_NAMENODES_KEY, nsId),
+        nameNodeId1 + "," + nameNodeId2);
+    conf.set(DFS_CLIENT_FAILOVER_PROXY_PROVIDER_KEY_PREFIX + "." + logicalName,
+        ConfiguredFailoverProxyProvider.class.getName());
+    
+    FileSystem fs = FileSystem.get(new URI("hdfs://" + logicalName), conf);
+    return fs;
+  }
+  
+
+  public static String getLogicalHostname(MiniDFSCluster cluster) {
+    return String.format(LOGICAL_HOSTNAME, cluster.getInstanceId());
+  }
+}

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencing.java
Mon Jan  9 04:12:37 2012
@@ -25,7 +25,6 @@ import java.io.StringWriter;
 import java.net.URISyntaxException;
 import java.util.Collection;
 import java.util.List;
-import java.util.concurrent.TimeoutException;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -39,7 +38,6 @@ import org.apache.hadoop.hdfs.DFSTestUti
 import org.apache.hadoop.hdfs.DFSUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.protocol.Block;
 import org.apache.hadoop.hdfs.protocol.ExtendedBlock;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
@@ -48,7 +46,6 @@ import org.apache.hadoop.hdfs.server.blo
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault;
 import org.apache.hadoop.hdfs.server.blockmanagement.DatanodeDescriptor;
 import org.apache.hadoop.hdfs.server.datanode.DataNode;
-import org.apache.hadoop.hdfs.server.datanode.DataNodeAdapter;
 import org.apache.hadoop.hdfs.server.namenode.FSClusterStats;
 import org.apache.hadoop.hdfs.server.namenode.FSInodeInfo;
 import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
@@ -111,7 +108,7 @@ public class TestDNFencing {
     cluster.triggerBlockReports();
     nn2.getNamesystem().getEditLogTailer().setSleepTime(250);
     nn2.getNamesystem().getEditLogTailer().interrupt();
-    fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+    fs = HATestUtil.configureFailoverFs(cluster, conf);
   }
   
   @After
@@ -172,7 +169,7 @@ public class TestDNFencing {
     BlockManagerTestUtil.computeInvalidationWork(
         nn2.getNamesystem().getBlockManager());
     cluster.triggerHeartbeats();
-    waitForDNDeletions(cluster);
+    HATestUtil.waitForDNDeletions(cluster);
     cluster.triggerDeletionReports();
     assertEquals(0, nn2.getNamesystem().getUnderReplicatedBlocks());
     assertEquals(0, nn2.getNamesystem().getPendingReplicationBlocks());
@@ -258,9 +255,9 @@ public class TestDNFencing {
     BlockManagerTestUtil.computeInvalidationWork(
         nn2.getNamesystem().getBlockManager());
 
-    waitForNNToIssueDeletions(nn2);
+    HATestUtil.waitForNNToIssueDeletions(nn2);
     cluster.triggerHeartbeats();
-    waitForDNDeletions(cluster);
+    HATestUtil.waitForDNDeletions(cluster);
     cluster.triggerDeletionReports();
     assertEquals(0, nn2.getNamesystem().getUnderReplicatedBlocks());
     assertEquals(0, nn2.getNamesystem().getPendingReplicationBlocks());
@@ -283,7 +280,7 @@ public class TestDNFencing {
     DFSTestUtil.createFile(fs, TEST_FILE_PATH, 30*SMALL_BLOCK, (short)1, 1L);
 
     banner("rolling NN1's edit log, forcing catch-up");
-    TestEditLogTailer.waitForStandbyToCatchUp(nn1, nn2);
+    HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
     
     // Get some new replicas reported so that NN2 now considers
     // them over-replicated and schedules some more deletions
@@ -353,9 +350,9 @@ public class TestDNFencing {
     BlockManagerTestUtil.computeInvalidationWork(
         nn2.getNamesystem().getBlockManager());
 
-    waitForNNToIssueDeletions(nn2);
+    HATestUtil.waitForNNToIssueDeletions(nn2);
     cluster.triggerHeartbeats();
-    waitForDNDeletions(cluster);
+    HATestUtil.waitForDNDeletions(cluster);
     cluster.triggerDeletionReports();
     assertEquals(0, nn2.getNamesystem().getUnderReplicatedBlocks());
     assertEquals(0, nn2.getNamesystem().getPendingReplicationBlocks());
@@ -410,33 +407,6 @@ public class TestDNFencing {
     return count;
   }
 
-  static void waitForDNDeletions(final MiniDFSCluster cluster)
-      throws TimeoutException, InterruptedException {
-    GenericTestUtils.waitFor(new Supplier<Boolean>() {
-      @Override
-      public Boolean get() {
-        for (DataNode dn : cluster.getDataNodes()) {
-          if (DataNodeAdapter.getPendingAsyncDeletions(dn) > 0) {
-            return false;
-          }
-        }
-        return true;
-      }
-    }, 1000, 10000);
-    
-  }
-
-  static void waitForNNToIssueDeletions(final NameNode nn)
-      throws Exception {
-    GenericTestUtils.waitFor(new Supplier<Boolean>() {
-      @Override
-      public Boolean get() {
-        LOG.info("Waiting for NN to issue block deletions to DNs");
-        return nn.getNamesystem().getBlockManager().getPendingDeletionBlocksCount() == 0;
-      }
-    }, 250, 10000);
-  }
-
   /**
    * A BlockPlacementPolicy which, rather than using space available, makes
    * random decisions about which excess replica to delete. This is because,

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencingWithReplication.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencingWithReplication.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencingWithReplication.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestDNFencingWithReplication.java
Mon Jan  9 04:12:37 2012
@@ -30,7 +30,6 @@ import org.apache.hadoop.hdfs.DFSConfigK
 import org.apache.hadoop.hdfs.DFSTestUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
 import org.apache.hadoop.hdfs.server.datanode.DataNode;
 import org.apache.hadoop.hdfs.server.datanode.DataNodeAdapter;
@@ -132,7 +131,7 @@ public class TestDNFencingWithReplicatio
       nn2.getNamesystem().getEditLogTailer().setSleepTime(250);
       nn2.getNamesystem().getEditLogTailer().interrupt();
       
-      FileSystem fs = TestDFSClientFailover.configureFailoverFs(
+      FileSystem fs = HATestUtil.configureFailoverFs(
           cluster, conf);
       TestContext togglers = new TestContext();
       for (int i = 0; i < NUM_THREADS; i++) {

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestEditLogTailer.java
Mon Jan  9 04:12:37 2012
@@ -34,15 +34,14 @@ import org.apache.hadoop.hdfs.server.nam
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.log4j.Level;
-import org.junit.Assert;
 import org.junit.Test;
 
 public class TestEditLogTailer {
   
   private static final String DIR_PREFIX = "/dir";
   private static final int DIRS_TO_MAKE = 20;
-  private static final long SLEEP_TIME = 1000;
-  private static final long NN_LAG_TIMEOUT = 10 * 1000;
+  static final long SLEEP_TIME = 1000;
+  static final long NN_LAG_TIMEOUT = 10 * 1000;
   
   static {
     ((Log4JLogger)FSImage.LOG).getLogger().setLevel(Level.ALL);
@@ -74,7 +73,7 @@ public class TestEditLogTailer {
             true);
       }
       
-      waitForStandbyToCatchUp(nn1, nn2);
+      HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
       
       for (int i = 0; i < DIRS_TO_MAKE / 2; i++) {
         assertTrue(NameNodeAdapter.getFileInfo(nn2,
@@ -87,7 +86,7 @@ public class TestEditLogTailer {
             true);
       }
       
-      waitForStandbyToCatchUp(nn1, nn2);
+      HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
       
       for (int i = DIRS_TO_MAKE / 2; i < DIRS_TO_MAKE; i++) {
         assertTrue(NameNodeAdapter.getFileInfo(nn2,
@@ -101,45 +100,4 @@ public class TestEditLogTailer {
   private static String getDirPath(int suffix) {
     return DIR_PREFIX + suffix;
   }
-
-  /**
-   * Trigger an edits log roll on the active and then wait for the standby to
-   * catch up to all the edits done by the active. This method will check
-   * repeatedly for up to NN_LAG_TIMEOUT milliseconds, and then fail throwing
-   * {@link CouldNotCatchUpException}.
-   * 
-   * @param active active NN
-   * @param standby standby NN which should catch up to active
-   * @throws IOException if an error occurs rolling the edit log
-   * @throws CouldNotCatchUpException if the standby doesn't catch up to the
-   *         active in NN_LAG_TIMEOUT milliseconds
-   */
-  static void waitForStandbyToCatchUp(NameNode active,
-      NameNode standby) throws InterruptedException, IOException, CouldNotCatchUpException
{
-    
-    long activeTxId = active.getNamesystem().getFSImage().getEditLog()
-      .getLastWrittenTxId();
-    
-    active.getRpcServer().rollEditLog();
-    
-    long start = System.currentTimeMillis();
-    while (System.currentTimeMillis() - start < NN_LAG_TIMEOUT) {
-      long nn2HighestTxId = standby.getNamesystem().getFSImage()
-        .getLastAppliedTxId();
-      if (nn2HighestTxId >= activeTxId) {
-        return;
-      }
-      Thread.sleep(SLEEP_TIME);
-    }
-    throw new CouldNotCatchUpException("Standby did not catch up to txid " +
-        activeTxId + " (currently at " +
-        standby.getNamesystem().getFSImage().getLastAppliedTxId() + ")");
-  }
-  
-  public static class CouldNotCatchUpException extends IOException {
-
-    public CouldNotCatchUpException(String message) {
-      super(message);
-    }
-  }
 }

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestFailureToReadEdits.java
Mon Jan  9 04:12:37 2012
@@ -41,13 +41,12 @@ import org.apache.hadoop.ha.ServiceFaile
 import org.apache.hadoop.hdfs.HAUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.server.namenode.EditLogInputStream;
 import org.apache.hadoop.hdfs.server.namenode.FSEditLog;
 import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
-import org.apache.hadoop.hdfs.server.namenode.ha.TestEditLogTailer.CouldNotCatchUpException;
+import org.apache.hadoop.hdfs.server.namenode.ha.HATestUtil.CouldNotCatchUpException;
 import org.junit.Test;
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
@@ -84,9 +83,9 @@ public class TestFailureToReadEdits {
       nn2.getNamesystem().getEditLogTailer().interrupt();
       nn2.getNamesystem().getEditLogTailer().setRuntime(mockRuntime);
       
-      FileSystem fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+      FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
       fs.mkdirs(new Path(TEST_DIR1));
-      TestEditLogTailer.waitForStandbyToCatchUp(nn1, nn2);
+      HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
       
       // If these two ops are applied twice, the first op will throw an
       // exception the second time its replayed.
@@ -107,9 +106,9 @@ public class TestFailureToReadEdits {
       nn2.getNamesystem().getEditLogTailer().setEditLog(spyEditLog);
       
       try {
-        TestEditLogTailer.waitForStandbyToCatchUp(nn1, nn2);
+        HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
         fail("Standby fully caught up, but should not have been able to");
-      } catch (CouldNotCatchUpException e) {
+      } catch (HATestUtil.CouldNotCatchUpException e) {
         verify(mockRuntime, times(0)).exit(anyInt());
       }
       
@@ -125,7 +124,7 @@ public class TestFailureToReadEdits {
       
       // Now let the standby read ALL the edits.
       answer.setThrowExceptionOnRead(false);
-      TestEditLogTailer.waitForStandbyToCatchUp(nn1, nn2);
+      HATestUtil.waitForStandbyToCatchUp(nn1, nn2);
       
       // Null because it was deleted.
       assertNull(NameNodeAdapter.getFileInfo(nn2,

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHASafeMode.java
Mon Jan  9 04:12:37 2012
@@ -34,7 +34,6 @@ import org.apache.hadoop.hdfs.DFSConfigK
 import org.apache.hadoop.hdfs.DFSTestUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockManagerTestUtil;
 import org.apache.hadoop.hdfs.server.namenode.NameNode;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
@@ -68,7 +67,7 @@ public class TestHASafeMode {
     
     nn0 = cluster.getNameNode(0);
     nn1 = cluster.getNameNode(1);
-    fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+    fs = HATestUtil.configureFailoverFs(cluster, conf);
     
     nn0.getNamesystem().getEditLogTailer().setRuntime(mockRuntime);
 
@@ -126,7 +125,7 @@ public class TestHASafeMode {
             "The reported blocks 0 needs additional 3 blocks to reach"));
 
     banner("Waiting for standby to catch up to active namespace");
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
 
     status = nn1.getNamesystem().getSafemode();
     assertTrue("Bad safemode status: '" + status + "'",
@@ -167,7 +166,7 @@ public class TestHASafeMode {
 
     
     banner("Waiting for standby to catch up to active namespace");
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
 
     status = nn1.getNamesystem().getSafemode();
     assertTrue("Bad safemode status: '" + status + "'",
@@ -221,7 +220,7 @@ public class TestHASafeMode {
             "The reported blocks 0 needs additional 5 blocks to reach"));
     
     banner("Waiting for standby to catch up to active namespace");
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
     status = nn1.getNamesystem().getSafemode();
     assertTrue("Bad safemode status: '" + status + "'",
         status.startsWith(
@@ -265,7 +264,7 @@ public class TestHASafeMode {
     
     banner("Triggering deletions on DNs and Deletion Reports");
     cluster.triggerHeartbeats();
-    TestDNFencing.waitForDNDeletions(cluster);
+    HATestUtil.waitForDNDeletions(cluster);
     cluster.triggerDeletionReports();
 
     status = nn1.getNamesystem().getSafemode();
@@ -275,7 +274,7 @@ public class TestHASafeMode {
             "The reported blocks 0 needs additional 10 blocks"));
 
     banner("Waiting for standby to catch up to active namespace");
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
 
     status = nn1.getNamesystem().getSafemode();
     assertTrue("Bad safemode status: '" + status + "'",

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestHAStateTransitions.java
Mon Jan  9 04:12:37 2012
@@ -29,7 +29,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSTestUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.server.namenode.NameNodeAdapter;
 import org.apache.hadoop.test.GenericTestUtils;
 import org.apache.hadoop.test.MultithreadedTestUtil.TestContext;
@@ -110,7 +109,7 @@ public class TestHAStateTransitions {
       cluster.transitionToActive(0);
       
       LOG.info("Starting with NN 0 active");
-      FileSystem fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+      FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
       fs.mkdirs(TEST_DIR);
 
       LOG.info("Failing over to NN 1");
@@ -161,7 +160,7 @@ public class TestHAStateTransitions {
       Mockito.doAnswer(new GenericTestUtils.SleepAnswer(50))
         .when(spyLock).writeLock();
       
-      final FileSystem fs = TestDFSClientFailover.configureFailoverFs(
+      final FileSystem fs = HATestUtil.configureFailoverFs(
           cluster, conf);
       
       TestContext ctx = new TestContext();

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyCheckpoints.java
Mon Jan  9 04:12:37 2012
@@ -30,7 +30,6 @@ import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.server.namenode.FSImage;
 import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
 import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
@@ -72,7 +71,7 @@ public class TestStandbyCheckpoints {
     
     nn0 = cluster.getNameNode(0);
     nn1 = cluster.getNameNode(1);
-    fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+    fs = HATestUtil.configureFailoverFs(cluster, conf);
 
     nn1.getNamesystem().getEditLogTailer().setSleepTime(250);
     nn1.getNamesystem().getEditLogTailer().interrupt();
@@ -91,7 +90,7 @@ public class TestStandbyCheckpoints {
   public void testSBNCheckpoints() throws Exception {
     doEdits(0, 10);
     
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
     // Once the standby catches up, it should notice that it needs to
     // do a checkpoint and save one to its local directories.
     waitForCheckpoint(1, ImmutableList.of(0, 12));
@@ -162,7 +161,7 @@ public class TestStandbyCheckpoints {
       .saveNamespace((FSNamesystem) Mockito.anyObject());
  
     // Roll the primary and wait for the standby to catch up
-    TestEditLogTailer.waitForStandbyToCatchUp(nn0, nn1);
+    HATestUtil.waitForStandbyToCatchUp(nn0, nn1);
     Thread.sleep(2000);
     
     // We should make exactly one checkpoint at this new txid. 

Modified: hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyIsHot.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyIsHot.java?rev=1229023&r1=1229022&r2=1229023&view=diff
==============================================================================
--- hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyIsHot.java
(original)
+++ hadoop/common/branches/HDFS-1623/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestStandbyIsHot.java
Mon Jan  9 04:12:37 2012
@@ -37,7 +37,6 @@ import org.apache.hadoop.hdfs.DFSTestUti
 import org.apache.hadoop.hdfs.HAUtil;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
 import org.apache.hadoop.hdfs.MiniDFSNNTopology;
-import org.apache.hadoop.hdfs.TestDFSClientFailover;
 import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
 import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
 import org.apache.hadoop.hdfs.server.blockmanagement.BlockManager;
@@ -91,7 +90,7 @@ public class TestStandbyIsHot {
       nn2.getNamesystem().getEditLogTailer().setSleepTime(250);
       nn2.getNamesystem().getEditLogTailer().interrupt();
       
-      FileSystem fs = TestDFSClientFailover.configureFailoverFs(cluster, conf);
+      FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
       
       Thread.sleep(1000);
       System.err.println("==================================");



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