Package org.apache.hadoop.hdfs.server.protocol

Examples of org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol

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      int rwrCount = 0;
     
      List<BlockRecord> blockRecords = new ArrayList<BlockRecord>();
      for (DatanodeInfo id : targets) {
        try {
          InterDatanodeProtocol datanode = dnRegistration.equals(id) ? this
            : DataNode.createInterDataNodeProtocolProxy(
                id, getConf(), socketTimeout, connectToDnViaHostname);
          BlockRecoveryInfo info = datanode.startBlockRecovery(block);
          if (info == null) {
            LOG.info("No block metadata found for " + block + " on datanode "
                + id);
            continue;
          }
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    //check generation stamps
    for(DatanodeID id : datanodeids) {
      try {
        BPOfferService bpos = blockPoolManager.get(blookPoolId);
        DatanodeRegistration bpReg = bpos.bpRegistration;
        InterDatanodeProtocol datanode = bpReg.equals(id)?
            this: DataNode.createInterDataNodeProtocolProxy(id, getConf(),
                dnConf.socketTimeout);
        ReplicaRecoveryInfo info = callInitReplicaRecovery(datanode, rBlock);
        if (info != null &&
            info.getGenerationStamp() >= block.getGenerationStamp() &&
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-2, ReplicaState.FINALIZED);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
    verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);   
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RBW);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
    verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
   
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.FINALIZED);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RWR);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
    verify(dn2, never()).updateReplicaUnderRecovery(
        block, RECOVERY_ID, REPLICA_LEN1);
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RBW);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RBW);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
    long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
    verify(dn2).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);   
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RBW);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-2, ReplicaState.RWR);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, REPLICA_LEN1);
    verify(dn2, never()).updateReplicaUnderRecovery(
        block, RECOVERY_ID, REPLICA_LEN1);   
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    ReplicaRecoveryInfo replica1 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN1, GEN_STAMP-1, ReplicaState.RWR);
    ReplicaRecoveryInfo replica2 = new ReplicaRecoveryInfo(BLOCK_ID,
        REPLICA_LEN2, GEN_STAMP-2, ReplicaState.RWR);

    InterDatanodeProtocol dn1 = mock(InterDatanodeProtocol.class);
    InterDatanodeProtocol dn2 = mock(InterDatanodeProtocol.class);

    testSyncReplicas(replica1, replica2, dn1, dn2);
   
    long minLen = Math.min(REPLICA_LEN1, REPLICA_LEN2);
    verify(dn1).updateReplicaUnderRecovery(block, RECOVERY_ID, minLen);
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    int errorCount = 0;

    //check generation stamps
    for(DatanodeID id : datanodeids) {
      try {
        InterDatanodeProtocol datanode = dnRegistration.equals(id)?
            this: DataNode.createInterDataNodeProtocolProxy(id, getConf());
        ReplicaRecoveryInfo info = callInitReplicaRecovery(datanode, rBlock);
        if (info != null &&
            info.getGenerationStamp() >= block.getGenerationStamp() &&
            info.getNumBytes() > 0) {
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      LocatedBlock locatedblock = getLastLocatedBlock(dfs.getClient().getNamenode(), filestr);
      DatanodeInfo[] datanodeinfo = locatedblock.getLocations();
      assertTrue(datanodeinfo.length > 0);

      //connect to a data node
      InterDatanodeProtocol idp = DataNode.createInterDataNodeProtocolProxy(
          datanodeinfo[0], conf);
      DataNode datanode = cluster.getDataNode(datanodeinfo[0].getIpcPort());
      assertTrue(datanode != null);
     
      //stop block scanner, so we could compare lastScanTime
      datanode.blockScannerThread.interrupt();

      //verify BlockMetaDataInfo
      Block b = locatedblock.getBlock();
      InterDatanodeProtocol.LOG.info("b=" + b + ", " + b.getClass());
      checkMetaInfo(b, datanode);
      long recoveryId = b.getGenerationStamp() + 1;
      idp.initReplicaRecovery(
          new RecoveringBlock(b, locatedblock.getLocations(), recoveryId));

      //verify updateBlock
      Block newblock = new Block(
          b.getBlockId(), b.getNumBytes()/2, b.getGenerationStamp()+1);
      idp.updateReplicaUnderRecovery(b, recoveryId, newblock.getNumBytes());
      checkMetaInfo(newblock, datanode);
    }
    finally {
      if (cluster != null) {cluster.shutdown();}
    }
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Related Classes of org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol

  • org.apache.hadoop.hdfs.BlockRecoveryCoordinator
  • org.apache.hadoop.hdfs.server.datanode.DataNode
  • org.apache.hadoop.hdfs.server.datanode.DataNode$CrossDatanodeLocalBlockCopy
  • org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.TestInterDatanodeProtocol
  • org.apache.hadoop.hdfs.server.datanode.TestBlockRecovery
  • org.apache.hadoop.hdfs.server.datanode.TestInterDatanodeProtocol
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