Java SnapshotTestHelper类代码示例

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本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper类的典型用法代码示例。如果您正苦于以下问题：Java SnapshotTestHelper类的具体用法？Java SnapshotTestHelper怎么用？Java SnapshotTestHelper使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

SnapshotTestHelper类属于org.apache.hadoop.hdfs.server.namenode.snapshot包，在下文中一共展示了SnapshotTestHelper类的11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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: testWebHdfsCreateSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot creation through WebHdfs
 */
@Test
public void testWebHdfsCreateSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsFileSystem.SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);

    try {
      webHdfs.createSnapshot(foo);
      fail("Cannot create snapshot on a non-snapshottable directory");
    } catch (Exception e) {
      GenericTestUtils.assertExceptionContains(
          "Directory is not a snapshottable directory", e);
    }

    // allow snapshots on /foo
    dfs.allowSnapshot(foo);
    // create snapshots on foo using WebHdfs
    webHdfs.createSnapshot(foo, "s1");
    // create snapshot without specifying name
    final Path spath = webHdfs.createSnapshot(foo, null);

    Assert.assertTrue(webHdfs.exists(spath));
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:42，代码来源:TestWebHDFS.java

示例2: testWebHdfsDeleteSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot deletion through WebHdfs
 */
@Test
public void testWebHdfsDeleteSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsFileSystem.SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);
    dfs.allowSnapshot(foo);

    webHdfs.createSnapshot(foo, "s1");
    final Path spath = webHdfs.createSnapshot(foo, null);
    Assert.assertTrue(webHdfs.exists(spath));
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));

    // delete the two snapshots
    webHdfs.deleteSnapshot(foo, "s1");
    Assert.assertFalse(webHdfs.exists(s1path));
    webHdfs.deleteSnapshot(foo, spath.getName());
    Assert.assertFalse(webHdfs.exists(spath));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:36，代码来源:TestWebHDFS.java

示例3: testWebHdfsRenameSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot rename through WebHdfs
 */
@Test
public void testWebHdfsRenameSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsFileSystem.SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);
    dfs.allowSnapshot(foo);

    webHdfs.createSnapshot(foo, "s1");
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));

    // rename s1 to s2
    webHdfs.renameSnapshot(foo, "s1", "s2");
    Assert.assertFalse(webHdfs.exists(s1path));
    final Path s2path = SnapshotTestHelper.getSnapshotRoot(foo, "s2");
    Assert.assertTrue(webHdfs.exists(s2path));

    webHdfs.deleteSnapshot(foo, "s2");
    Assert.assertFalse(webHdfs.exists(s2path));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:37，代码来源:TestWebHDFS.java

示例4: prepare

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Create files/directories/snapshots.
 */
void prepare(DistributedFileSystem dfs, short repl) throws Exception {
  for (Path d : dirs) {
    dfs.mkdirs(d);
  }
  for (Path file : files) {
    DFSTestUtil.createFile(dfs, file, fileSize, repl, 0L);
  }
  for (Map.Entry<Path, List<String>> entry : snapshotMap.entrySet()) {
    for (String snapshot : entry.getValue()) {
      SnapshotTestHelper.createSnapshot(dfs, entry.getKey(), snapshot);
    }
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:17，代码来源:TestStorageMover.java

示例5: checkNamenodeBeforeReturn

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
@Override
boolean checkNamenodeBeforeReturn() throws Exception {
  final Path sPath = SnapshotTestHelper.getSnapshotRoot(new Path(dir),
      snapshotName);
  boolean snapshotCreated = dfs.exists(sPath);
  for (int i = 0; i < CHECKTIMES && !snapshotCreated; i++) {
    Thread.sleep(1000);
    snapshotCreated = dfs.exists(sPath);
  }
  return snapshotCreated;
}

开发者ID:naver，项目名称:hadoop，代码行数:12，代码来源:TestRetryCacheWithHA.java

示例6: prepare

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
@Override
void prepare() throws Exception {
  final Path dirPath = new Path(dir);
  if (!dfs.exists(dirPath)) {
    dfs.mkdirs(dirPath);
  }
  
  Path sPath = SnapshotTestHelper.getSnapshotRoot(dirPath, snapshotName);
  if (!dfs.exists(sPath)) {
    dfs.allowSnapshot(dirPath);
    dfs.createSnapshot(dirPath, snapshotName);
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:14，代码来源:TestRetryCacheWithHA.java

示例7: prepare

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
@Override
public void prepare() throws Exception {
  // original size: 2.5 blocks
  DFSTestUtil.createFile(dfs, file, BLOCKSIZE * 2 + BLOCKSIZE / 2,
      REPLICATION, 0L);
  SnapshotTestHelper.createSnapshot(dfs, dir, "s1");

  // truncate to 1.5 block
  dfs.truncate(file, BLOCKSIZE + BLOCKSIZE / 2);
  TestFileTruncate.checkBlockRecovery(file, dfs);

  // append another 1 BLOCK
  DFSTestUtil.appendFile(dfs, file, BLOCKSIZE);
}

开发者ID:naver，项目名称:hadoop，代码行数:15，代码来源:TestTruncateQuotaUpdate.java

示例8: testDeleteAddBlockRace

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
private void testDeleteAddBlockRace(boolean hasSnapshot) throws Exception {
  try {
    conf.setClass(DFSConfigKeys.DFS_BLOCK_REPLICATOR_CLASSNAME_KEY,
        SlowBlockPlacementPolicy.class, BlockPlacementPolicy.class);
    cluster = new MiniDFSCluster.Builder(conf).build();
    FileSystem fs = cluster.getFileSystem();
    final String fileName = "/testDeleteAddBlockRace";
    Path filePath = new Path(fileName);

    FSDataOutputStream out = null;
    out = fs.create(filePath);
    if (hasSnapshot) {
      SnapshotTestHelper.createSnapshot((DistributedFileSystem) fs, new Path(
          "/"), "s1");
    }

    Thread deleteThread = new DeleteThread(fs, filePath);
    deleteThread.start();

    try {
      // write data and syn to make sure a block is allocated.
      out.write(new byte[32], 0, 32);
      out.hsync();
      Assert.fail("Should have failed.");
    } catch (FileNotFoundException e) {
      GenericTestUtils.assertExceptionContains(filePath.getName(), e);
    }
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:naver，项目名称:hadoop，代码行数:34，代码来源:TestDeleteRace.java

示例9: testWebHdfsCreateSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot creation through WebHdfs
 */
@Test
public void testWebHdfsCreateSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsConstants.WEBHDFS_SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);

    try {
      webHdfs.createSnapshot(foo);
      fail("Cannot create snapshot on a non-snapshottable directory");
    } catch (Exception e) {
      GenericTestUtils.assertExceptionContains(
          "Directory is not a snapshottable directory", e);
    }

    // allow snapshots on /foo
    dfs.allowSnapshot(foo);
    // create snapshots on foo using WebHdfs
    webHdfs.createSnapshot(foo, "s1");
    // create snapshot without specifying name
    final Path spath = webHdfs.createSnapshot(foo, null);

    Assert.assertTrue(webHdfs.exists(spath));
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:42，代码来源:TestWebHDFS.java

示例10: testWebHdfsDeleteSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot deletion through WebHdfs
 */
@Test
public void testWebHdfsDeleteSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsConstants.WEBHDFS_SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);
    dfs.allowSnapshot(foo);

    webHdfs.createSnapshot(foo, "s1");
    final Path spath = webHdfs.createSnapshot(foo, null);
    Assert.assertTrue(webHdfs.exists(spath));
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));

    // delete the two snapshots
    webHdfs.deleteSnapshot(foo, "s1");
    Assert.assertFalse(webHdfs.exists(s1path));
    webHdfs.deleteSnapshot(foo, spath.getName());
    Assert.assertFalse(webHdfs.exists(spath));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:36，代码来源:TestWebHDFS.java

示例11: testWebHdfsRenameSnapshot

import org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper; //导入依赖的package包/类
/**
 * Test snapshot rename through WebHdfs
 */
@Test
public void testWebHdfsRenameSnapshot() throws Exception {
  MiniDFSCluster cluster = null;
  final Configuration conf = WebHdfsTestUtil.createConf();
  try {
    cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();
    cluster.waitActive();
    final DistributedFileSystem dfs = cluster.getFileSystem();
    final FileSystem webHdfs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
        WebHdfsConstants.WEBHDFS_SCHEME);

    final Path foo = new Path("/foo");
    dfs.mkdirs(foo);
    dfs.allowSnapshot(foo);

    webHdfs.createSnapshot(foo, "s1");
    final Path s1path = SnapshotTestHelper.getSnapshotRoot(foo, "s1");
    Assert.assertTrue(webHdfs.exists(s1path));

    // rename s1 to s2
    webHdfs.renameSnapshot(foo, "s1", "s2");
    Assert.assertFalse(webHdfs.exists(s1path));
    final Path s2path = SnapshotTestHelper.getSnapshotRoot(foo, "s2");
    Assert.assertTrue(webHdfs.exists(s2path));

    webHdfs.deleteSnapshot(foo, "s2");
    Assert.assertFalse(webHdfs.exists(s2path));
  } finally {
    if (cluster != null) {
      cluster.shutdown();
    }
  }
}

开发者ID:aliyun-beta，项目名称:aliyun-oss-hadoop-fs，代码行数:37，代码来源:TestWebHDFS.java

注：本文中的org.apache.hadoop.hdfs.server.namenode.snapshot.SnapshotTestHelper类示例整理自Github/MSDocs等源码及文档管理平台，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。

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Java SnapshotTestHelper类代码示例

示例1: testWebHdfsCreateSnapshot

示例2: testWebHdfsDeleteSnapshot

示例3: testWebHdfsRenameSnapshot

示例4: prepare

示例5: checkNamenodeBeforeReturn

示例6: prepare

示例7: prepare

示例8: testDeleteAddBlockRace

示例9: testWebHdfsCreateSnapshot

示例10: testWebHdfsDeleteSnapshot

示例11: testWebHdfsRenameSnapshot

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