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Subject svn commit: r1570069 - in /hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs: ./ src/main/java/org/apache/hadoop/hdfs/server/namenode/ src/test/java/org/apache/hadoop/hdfs/ src/test/java/org/apache/hadoop/hdfs/server/balancer/ src/test/...
Date Thu, 20 Feb 2014 03:22:25 GMT
Author: arp
Date: Thu Feb 20 03:22:24 2014
New Revision: 1570069

URL: http://svn.apache.org/r1570069
Log:
HDFS-5742. Merging r1570068 from branch-2 to branch-2.4.

Modified:
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DataNodeCluster.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInjectionForSimulatedStorage.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReadOnlySharedStorage.java
    hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Thu Feb
20 03:22:24 2014
@@ -191,6 +191,9 @@ Release 2.4.0 - UNRELEASED
     HDFS-5483. NN should gracefully handle multiple block replicas on same DN.
     (Arpit Agarwal)
 
+    HDFS-5742. DatanodeCluster (mini cluster of DNs) fails to start.
+    (Arpit Agarwal)
+
   BREAKDOWN OF HDFS-5698 SUBTASKS AND RELATED JIRAS
 
     HDFS-5717. Save FSImage header in protobuf. (Haohui Mai via jing9)

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImage.java
Thu Feb 20 03:22:24 2014
@@ -143,6 +143,7 @@ public class FSImage implements Closeabl
         "FSImage.format should be called with an uninitialized namesystem, has " +
         fileCount + " files");
     NamespaceInfo ns = NNStorage.newNamespaceInfo();
+    LOG.info("Allocated new BlockPoolId: " + ns.getBlockPoolID());
     ns.clusterID = clusterId;
     
     storage.format(ns);

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DataNodeCluster.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DataNodeCluster.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DataNodeCluster.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/DataNodeCluster.java
Thu Feb 20 03:22:24 2014
@@ -68,9 +68,10 @@ public class DataNodeCluster {
   static String dataNodeDirs = DATANODE_DIRS;
   static final String USAGE =
     "Usage: datanodecluster " +
-    " -n <numDataNodes> " + 
+    " -n <numDataNodes> " +
+    " -bpid <bpid>" +
     " [-racks <numRacks>] " +
-    " [-simulated] " +
+    " [-simulated [<simulatedCapacityPerDn>]] " +
     " [-inject startingBlockId numBlocksPerDN]" +
     " [-r replicationFactorForInjectedBlocks]" +
     " [-d dataNodeDirs]\n" + 
@@ -91,7 +92,7 @@ public class DataNodeCluster {
     printUsageExit();
   }
   
-  public static void main(String[] args) {
+  public static void main(String[] args) throws InterruptedException {
     int numDataNodes = 0;
     int numRacks = 0;
     boolean inject = false;
@@ -99,6 +100,8 @@ public class DataNodeCluster {
     int numBlocksPerDNtoInject = 0;
     int replication = 1;
     boolean checkDataNodeAddrConfig = false;
+    long simulatedCapacityPerDn = SimulatedFSDataset.DEFAULT_CAPACITY;
+    String bpid = null;
     
     Configuration conf = new HdfsConfiguration();
 
@@ -115,7 +118,7 @@ public class DataNodeCluster {
         numRacks = Integer.parseInt(args[i]);
       } else if (args[i].equals("-r")) {
         if (++i >= args.length || args[i].startsWith("-")) {
-          printUsageExit("Missing replicaiton factor");
+          printUsageExit("Missing replication factor");
         }
         replication = Integer.parseInt(args[i]);
       } else if (args[i].equals("-d")) {
@@ -125,6 +128,14 @@ public class DataNodeCluster {
         dataNodeDirs = args[i];
       } else if (args[i].equals("-simulated")) {
         SimulatedFSDataset.setFactory(conf);
+        if ((i+1) < args.length && !args[i+1].startsWith("-")) {
+          simulatedCapacityPerDn = Long.parseLong(args[++i]);
+        }
+      } else if (args[i].equals("-bpid")) {
+        if (++i >= args.length || args[i].startsWith("-")) {
+          printUsageExit("Missing blockpoolid parameter");
+        }
+        bpid = args[i];
       } else if (args[i].equals("-inject")) {
         if (!FsDatasetSpi.Factory.getFactory(conf).isSimulated()) {
           System.out.print("-inject is valid only for simulated");
@@ -153,6 +164,9 @@ public class DataNodeCluster {
       printUsageExit("Replication must be less than or equal to numDataNodes");
       
     }
+    if (bpid == null) {
+      printUsageExit("BlockPoolId must be provided");
+    }
     String nameNodeAdr = FileSystem.getDefaultUri(conf).getAuthority();
     if (nameNodeAdr == null) {
       System.out.println("No name node address and port in config");
@@ -162,9 +176,14 @@ public class DataNodeCluster {
     System.out.println("Starting " + numDataNodes + 
           (simulated ? " Simulated " : " ") +
           " Data Nodes that will connect to Name Node at " + nameNodeAdr);
-  
+
     System.setProperty("test.build.data", dataNodeDirs);
 
+    long simulatedCapacities[] = new long[numDataNodes];
+    for (int i = 0; i < numDataNodes; ++i) {
+      simulatedCapacities[i] = simulatedCapacityPerDn;
+    }
+
     MiniDFSCluster mc = new MiniDFSCluster();
     try {
       mc.formatDataNodeDirs();
@@ -182,13 +201,12 @@ public class DataNodeCluster {
         //rack4DataNode[i] = racks[i%numRacks];
         rack4DataNode[i] = rackPrefix + "-" + i%numRacks;
         System.out.println("Data Node " + i + " using " + rack4DataNode[i]);
-        
-        
       }
     }
     try {
       mc.startDataNodes(conf, numDataNodes, true, StartupOption.REGULAR,
-          rack4DataNode, null, null, false, checkDataNodeAddrConfig);
+          rack4DataNode, null, simulatedCapacities, false, checkDataNodeAddrConfig);
+      Thread.sleep(10*1000);   // Give the DN some time to connect to NN and init storage
directories.
       if (inject) {
         long blockSize = 10;
         System.out.println("Injecting " + numBlocksPerDNtoInject +
@@ -203,7 +221,7 @@ public class DataNodeCluster {
           }
           for (int i = 1; i <= replication; ++i) { 
             // inject blocks for dn_i into dn_i and replica in dn_i's neighbors 
-            mc.injectBlocks((i_dn + i- 1)% numDataNodes, Arrays.asList(blocks));
+            mc.injectBlocks((i_dn + i- 1)% numDataNodes, Arrays.asList(blocks), bpid);
             System.out.println("Injecting blocks of dn " + i_dn  + " into dn" + 
                 ((i_dn + i- 1)% numDataNodes));
           }

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/MiniDFSCluster.java
Thu Feb 20 03:22:24 2014
@@ -2045,17 +2045,19 @@ public class MiniDFSCluster {
     return result;
   }
   
-  
   /**
    * This method is valid only if the data nodes have simulated data
    * @param dataNodeIndex - data node i which to inject - the index is same as for getDataNodes()
    * @param blocksToInject - the blocks
+   * @param bpid - (optional) the block pool id to use for injecting blocks.
+   *             If not supplied then it is queried from the in-process NameNode.
    * @throws IOException
    *              if not simulatedFSDataset
    *             if any of blocks already exist in the data node
    *   
    */
-  public void injectBlocks(int dataNodeIndex, Iterable<Block> blocksToInject) throws
IOException {
+  public void injectBlocks(int dataNodeIndex,
+      Iterable<Block> blocksToInject, String bpid) throws IOException {
     if (dataNodeIndex < 0 || dataNodeIndex > dataNodes.size()) {
       throw new IndexOutOfBoundsException();
     }
@@ -2064,7 +2066,9 @@ public class MiniDFSCluster {
     if (!(dataSet instanceof SimulatedFSDataset)) {
       throw new IOException("injectBlocks is valid only for SimilatedFSDataset");
     }
-    String bpid = getNamesystem().getBlockPoolId();
+    if (bpid == null) {
+      bpid = getNamesystem().getBlockPoolId();
+    }
     SimulatedFSDataset sdataset = (SimulatedFSDataset) dataSet;
     sdataset.injectBlocks(bpid, blocksToInject);
     dataNodes.get(dataNodeIndex).datanode.scheduleAllBlockReport(0);
@@ -2090,25 +2094,6 @@ public class MiniDFSCluster {
   }
 
   /**
-   * This method is valid only if the data nodes have simulated data
-   * @param blocksToInject - blocksToInject[] is indexed in the same order as the list 
-   *             of datanodes returned by getDataNodes()
-   * @throws IOException
-   *             if not simulatedFSDataset
-   *             if any of blocks already exist in the data nodes
-   *             Note the rest of the blocks are not injected.
-   */
-  public void injectBlocks(Iterable<Block>[] blocksToInject)
-      throws IOException {
-    if (blocksToInject.length >  dataNodes.size()) {
-      throw new IndexOutOfBoundsException();
-    }
-    for (int i = 0; i < blocksToInject.length; ++i) {
-     injectBlocks(i, blocksToInject[i]);
-    }
-  }
-
-  /**
    * Set the softLimit and hardLimit of client lease periods
    */
   public void setLeasePeriod(long soft, long hard) {
@@ -2154,11 +2139,13 @@ public class MiniDFSCluster {
    * @return the base directory for this instance.
    */
   protected String determineDfsBaseDir() {
-    String dfsdir = conf.get(HDFS_MINIDFS_BASEDIR, null);
-    if (dfsdir == null) {
-      dfsdir = getBaseDirectory();
+    if (conf != null) {
+      final String dfsdir = conf.get(HDFS_MINIDFS_BASEDIR, null);
+      if (dfsdir != null) {
+        return dfsdir;
+      }
     }
-    return dfsdir;
+    return getBaseDirectory();
   }
 
   /**

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInjectionForSimulatedStorage.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInjectionForSimulatedStorage.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInjectionForSimulatedStorage.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInjectionForSimulatedStorage.java
Thu Feb 20 03:22:24 2014
@@ -186,7 +186,7 @@ public class TestInjectionForSimulatedSt
       // Insert all the blocks in the first data node
       
       LOG.info("Inserting " + uniqueBlocks.size() + " blocks");
-      cluster.injectBlocks(0, uniqueBlocks);
+      cluster.injectBlocks(0, uniqueBlocks, null);
       
       dfsClient = new DFSClient(new InetSocketAddress("localhost",
                                   cluster.getNameNodePort()),

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancer.java
Thu Feb 20 03:22:24 2014
@@ -209,7 +209,7 @@ public class TestBalancer {
         ClientProtocol.class).getProxy();
 
     for(int i = 0; i < blocksDN.length; i++)
-      cluster.injectBlocks(i, Arrays.asList(blocksDN[i]));
+      cluster.injectBlocks(i, Arrays.asList(blocksDN[i]), null);
 
     final long totalCapacity = sum(capacities);
     runBalancer(conf, totalUsedSpace, totalCapacity);

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReadOnlySharedStorage.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReadOnlySharedStorage.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReadOnlySharedStorage.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestReadOnlySharedStorage.java
Thu Feb 20 03:22:24 2014
@@ -141,7 +141,7 @@ public class TestReadOnlySharedStorage {
     validateNumberReplicas(1);
     
     // Inject the block into the datanode with READ_ONLY_SHARED storage 
-    cluster.injectBlocks(RO_NODE_INDEX, Collections.singleton(block));
+    cluster.injectBlocks(0, RO_NODE_INDEX, Collections.singleton(block));
     
     // There should now be 2 *locations* for the block
     // Must wait until the NameNode has processed the block report for the injected blocks

Modified: hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java?rev=1570069&r1=1570068&r2=1570069&view=diff
==============================================================================
--- hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
(original)
+++ hadoop/common/branches/branch-2.4/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
Thu Feb 20 03:22:24 2014
@@ -57,7 +57,7 @@ public class CreateEditsLog {
       GenerationStamp.LAST_RESERVED_STAMP;
   
   static void addFiles(FSEditLog editLog, int numFiles, short replication, 
-                         int blocksPerFile, long startingBlockId,
+                         int blocksPerFile, long startingBlockId, long blockSize,
                          FileNameGenerator nameGenerator) {
     
     PermissionStatus p = new PermissionStatus("joeDoe", "people",
@@ -66,7 +66,6 @@ public class CreateEditsLog {
     INodeDirectory dirInode = new INodeDirectory(inodeId.nextValue(), null, p,
       0L);
     editLog.logMkDir(BASE_PATH, dirInode);
-    long blockSize = 10;
     BlockInfo[] blocks = new BlockInfo[blocksPerFile];
     for (int iB = 0; iB < blocksPerFile; ++iB) {
       blocks[iB] = 
@@ -144,6 +143,7 @@ public class CreateEditsLog {
     int numFiles = 0;
     short replication = 1;
     int numBlocksPerFile = 0;
+    long blockSize = 10;
 
     if (args.length == 0) {
       printUsageExit();
@@ -164,10 +164,16 @@ public class CreateEditsLog {
        if (numFiles <=0 || numBlocksPerFile <= 0) {
          printUsageExit("numFiles and numBlocksPerFile most be greater than 0");
        }
+      } else if (args[i].equals("-l")) {
+        if (i + 1 >= args.length) {
+          printUsageExit(
+              "Missing block length");
+        }
+        blockSize = Long.parseLong(args[++i]);
       } else if (args[i].equals("-r") || args[i+1].startsWith("-")) {
         if (i + 1 >= args.length) {
           printUsageExit(
-              "Missing num files, starting block and/or number of blocks");
+              "Missing replication factor");
         }
         replication = Short.parseShort(args[++i]);
       } else if (args[i].equals("-d")) {
@@ -202,7 +208,7 @@ public class CreateEditsLog {
     FSEditLog editLog = FSImageTestUtil.createStandaloneEditLog(editsLogDir);
     editLog.openForWrite();
     addFiles(editLog, numFiles, replication, numBlocksPerFile, startingBlockId,
-             nameGenerator);
+             blockSize, nameGenerator);
     editLog.logSync();
     editLog.close();
   }



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