当前位置: 首页>>代码示例>>Java>>正文

Java FsDatasetSpi.updateReplicaUnderRecovery方法代码示例

本文整理汇总了Java中org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi.updateReplicaUnderRecovery方法的典型用法代码示例。如果您正苦于以下问题：Java FsDatasetSpi.updateReplicaUnderRecovery方法的具体用法？Java FsDatasetSpi.updateReplicaUnderRecovery怎么用？Java FsDatasetSpi.updateReplicaUnderRecovery使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi的用法示例。


在下文中一共展示了FsDatasetSpi.updateReplicaUnderRecovery方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testUpdateReplicaUnderRecovery

import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/** 
 * Test  for
 * {@link FsDatasetImpl#updateReplicaUnderRecovery(ExtendedBlock, long, long)} 
 * */
@Test
public void testUpdateReplicaUnderRecovery() throws IOException {
  MiniDFSCluster cluster = null;

  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
    cluster.waitActive();
    String bpid = cluster.getNamesystem().getBlockPoolId();

    //create a file
    DistributedFileSystem dfs = cluster.getFileSystem();
    String filestr = "/foo";
    Path filepath = new Path(filestr);
    DFSTestUtil.createFile(dfs, filepath, 1024L, (short)3, 0L);

    //get block info
    final LocatedBlock locatedblock = getLastLocatedBlock(
        DFSClientAdapter.getDFSClient(dfs).getNamenode(), filestr);
    final DatanodeInfo[] datanodeinfo = locatedblock.getLocations();
    Assert.assertTrue(datanodeinfo.length > 0);

    //get DataNode and FSDataset objects
    final DataNode datanode = cluster.getDataNode(datanodeinfo[0].getIpcPort());
    Assert.assertTrue(datanode != null);

    //initReplicaRecovery
    final ExtendedBlock b = locatedblock.getBlock();
    final long recoveryid = b.getGenerationStamp() + 1;
    final long newlength = b.getNumBytes() - 1;
    final FsDatasetSpi<?> fsdataset = DataNodeTestUtils.getFSDataset(datanode);
    final ReplicaRecoveryInfo rri = fsdataset.initReplicaRecovery(
        new RecoveringBlock(b, null, recoveryid));

    //check replica
    final ReplicaInfo replica = FsDatasetTestUtil.fetchReplicaInfo(
        fsdataset, bpid, b.getBlockId());
    Assert.assertEquals(ReplicaState.RUR, replica.getState());

    //check meta data before update
    FsDatasetImpl.checkReplicaFiles(replica);

    //case "THIS IS NOT SUPPOSED TO HAPPEN"
    //with (block length) != (stored replica's on disk length). 
    {
      //create a block with same id and gs but different length.
      final ExtendedBlock tmp = new ExtendedBlock(b.getBlockPoolId(), rri
          .getBlockId(), rri.getNumBytes() - 1, rri.getGenerationStamp());
      try {
        //update should fail
        fsdataset.updateReplicaUnderRecovery(tmp, recoveryid,
            tmp.getBlockId(), newlength);
        Assert.fail();
      } catch(IOException ioe) {
        System.out.println("GOOD: getting " + ioe);
      }
    }

    //update
    final String storageID = fsdataset.updateReplicaUnderRecovery(
        new ExtendedBlock(b.getBlockPoolId(), rri), recoveryid,
        rri.getBlockId(), newlength);
    assertTrue(storageID != null);

  } finally {
    if (cluster != null) cluster.shutdown();
  }
}
开发者ID:naver，项目名称:hadoop，代码行数:72，代码来源:TestInterDatanodeProtocol.java

示例2: testUpdateReplicaUnderRecovery

import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/** 
 * Test  for
 * {@link FsDatasetImpl#updateReplicaUnderRecovery(ExtendedBlock, long, long)} 
 * */
@Test
public void testUpdateReplicaUnderRecovery() throws IOException {
  MiniDFSCluster cluster = null;

  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
    cluster.waitActive();
    String bpid = cluster.getNamesystem().getBlockPoolId();

    //create a file
    DistributedFileSystem dfs = cluster.getFileSystem();
    String filestr = "/foo";
    Path filepath = new Path(filestr);
    DFSTestUtil.createFile(dfs, filepath, 1024L, (short)3, 0L);

    //get block info
    final LocatedBlock locatedblock = getLastLocatedBlock(
        DFSClientAdapter.getDFSClient(dfs).getNamenode(), filestr);
    final DatanodeInfo[] datanodeinfo = locatedblock.getLocations();
    Assert.assertTrue(datanodeinfo.length > 0);

    //get DataNode and FSDataset objects
    final DataNode datanode = cluster.getDataNode(datanodeinfo[0].getIpcPort());
    Assert.assertTrue(datanode != null);

    //initReplicaRecovery
    final ExtendedBlock b = locatedblock.getBlock();
    final long recoveryid = b.getGenerationStamp() + 1;
    final long newlength = b.getNumBytes() - 1;
    final FsDatasetSpi<?> fsdataset = DataNodeTestUtils.getFSDataset(datanode);
    final ReplicaRecoveryInfo rri = fsdataset.initReplicaRecovery(
        new RecoveringBlock(b, null, recoveryid));

    //check replica
    final Replica replica =
        cluster.getFsDatasetTestUtils(datanode).fetchReplica(b);
    Assert.assertEquals(ReplicaState.RUR, replica.getState());

    //check meta data before update
    cluster.getFsDatasetTestUtils(datanode).checkStoredReplica(replica);

    //case "THIS IS NOT SUPPOSED TO HAPPEN"
    //with (block length) != (stored replica's on disk length). 
    {
      //create a block with same id and gs but different length.
      final ExtendedBlock tmp = new ExtendedBlock(b.getBlockPoolId(), rri
          .getBlockId(), rri.getNumBytes() - 1, rri.getGenerationStamp());
      try {
        //update should fail
        fsdataset.updateReplicaUnderRecovery(tmp, recoveryid,
            tmp.getBlockId(), newlength);
        Assert.fail();
      } catch(IOException ioe) {
        System.out.println("GOOD: getting " + ioe);
      }
    }

    //update
    final String storageID = fsdataset.updateReplicaUnderRecovery(
        new ExtendedBlock(b.getBlockPoolId(), rri), recoveryid,
        rri.getBlockId(), newlength);
    assertTrue(storageID != null);

  } finally {
    if (cluster != null) cluster.shutdown();
  }
}
开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:72，代码来源:TestInterDatanodeProtocol.java

示例3: testUpdateReplicaUnderRecovery

import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/** 
 * Test  for
 * {@link FsDatasetImpl#updateReplicaUnderRecovery(ExtendedBlock, long, long)} 
 * */
@Test
public void testUpdateReplicaUnderRecovery() throws IOException {
  MiniDFSCluster cluster = null;

  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
    cluster.waitActive();
    String bpid = cluster.getNamesystem().getBlockPoolId();

    //create a file
    DistributedFileSystem dfs = cluster.getFileSystem();
    String filestr = "/foo";
    Path filepath = new Path(filestr);
    DFSTestUtil.createFile(dfs, filepath, 1024L, (short)3, 0L);

    //get block info
    final LocatedBlock locatedblock = getLastLocatedBlock(
        DFSClientAdapter.getDFSClient(dfs).getNamenode(), filestr);
    final DatanodeInfo[] datanodeinfo = locatedblock.getLocations();
    Assert.assertTrue(datanodeinfo.length > 0);

    //get DataNode and FSDataset objects
    final DataNode datanode = cluster.getDataNode(datanodeinfo[0].getIpcPort());
    Assert.assertTrue(datanode != null);

    //initReplicaRecovery
    final ExtendedBlock b = locatedblock.getBlock();
    final long recoveryid = b.getGenerationStamp() + 1;
    final long newlength = b.getNumBytes() - 1;
    final FsDatasetSpi<?> fsdataset = DataNodeTestUtils.getFSDataset(datanode);
    final ReplicaRecoveryInfo rri = fsdataset.initReplicaRecovery(
        new RecoveringBlock(b, null, recoveryid));

    //check replica
    final ReplicaInfo replica = FsDatasetTestUtil.fetchReplicaInfo(
        fsdataset, bpid, b.getBlockId());
    Assert.assertEquals(ReplicaState.RUR, replica.getState());

    //check meta data before update
    FsDatasetImpl.checkReplicaFiles(replica);

    //case "THIS IS NOT SUPPOSED TO HAPPEN"
    //with (block length) != (stored replica's on disk length). 
    {
      //create a block with same id and gs but different length.
      final ExtendedBlock tmp = new ExtendedBlock(b.getBlockPoolId(), rri
          .getBlockId(), rri.getNumBytes() - 1, rri.getGenerationStamp());
      try {
        //update should fail
        fsdataset.updateReplicaUnderRecovery(tmp, recoveryid, newlength);
        Assert.fail();
      } catch(IOException ioe) {
        System.out.println("GOOD: getting " + ioe);
      }
    }

    //update
    final String storageID = fsdataset.updateReplicaUnderRecovery(
        new ExtendedBlock(b.getBlockPoolId(), rri), recoveryid, newlength);
    assertTrue(storageID != null);

  } finally {
    if (cluster != null) cluster.shutdown();
  }
}
开发者ID:Nextzero，项目名称:hadoop-2.6.0-cdh5.4.3，代码行数:70，代码来源:TestInterDatanodeProtocol.java

示例4: testUpdateReplicaUnderRecovery

import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
 * Test  for
 * {@link FsDatasetImpl#updateReplicaUnderRecovery(ExtendedBlock, long,
 * long)}
 */
@Test
public void testUpdateReplicaUnderRecovery() throws IOException {
  MiniDFSCluster cluster = null;

  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
    cluster.waitActive();
    String bpid = cluster.getNamesystem().getBlockPoolId();

    //create a file
    DistributedFileSystem dfs =
        (DistributedFileSystem) cluster.getFileSystem();
    String filestr = "/foo";
    Path filepath = new Path(filestr);
    DFSTestUtil.createFile(dfs, filepath, 1024L, (short) 3, 0L);

    //get block info
    final LocatedBlock locatedblock =
        getLastLocatedBlock(DFSClientAdapter.getDFSClient(dfs).getNamenode(),
            filestr);
    final DatanodeInfo[] datanodeinfo = locatedblock.getLocations();
    Assert.assertTrue(datanodeinfo.length > 0);

    //get DataNode and FSDataset objects
    final DataNode datanode =
        cluster.getDataNode(datanodeinfo[0].getIpcPort());
    Assert.assertTrue(datanode != null);

    //initReplicaRecovery
    final ExtendedBlock b = locatedblock.getBlock();
    final long recoveryid = b.getGenerationStamp() + 1;
    final long newlength = b.getNumBytes() - 1;
    final FsDatasetSpi<?> fsdataset =
        DataNodeTestUtils.getFSDataset(datanode);
    final ReplicaRecoveryInfo rri = fsdataset
        .initReplicaRecovery(new RecoveringBlock(b, null, recoveryid));

    //check replica
    final ReplicaInfo replica =
        FsDatasetTestUtil.fetchReplicaInfo(fsdataset, bpid, b.getBlockId());
    Assert.assertEquals(ReplicaState.RUR, replica.getState());

    //check meta data before update
    FsDatasetImpl.checkReplicaFiles(replica);

    //case "THIS IS NOT SUPPOSED TO HAPPEN"
    //with (block length) != (stored replica's on disk length). 
    {
      //create a block with same id and gs but different length.
      final ExtendedBlock tmp =
          new ExtendedBlock(b.getBlockPoolId(), rri.getBlockId(),
              rri.getNumBytes() - 1, rri.getGenerationStamp());
      try {
        //update should fail
        fsdataset.updateReplicaUnderRecovery(tmp, recoveryid, newlength);
        Assert.fail();
      } catch (IOException ioe) {
        System.out.println("GOOD: getting " + ioe);
      }
    }

    //update
    final String storageID = fsdataset.updateReplicaUnderRecovery(
        new ExtendedBlock(b.getBlockPoolId(), rri), recoveryid, newlength);
    assertTrue(storageID != null);

  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}
开发者ID:hopshadoop，项目名称:hops，代码行数:78，代码来源:TestInterDatanodeProtocol.java


注：本文中的org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi.updateReplicaUnderRecovery方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。