Package org.apache.hadoop.hbase.snapshot

Examples of org.apache.hadoop.hbase.snapshot.SnapshotManifest$RegionVisitor

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      this.masterServices.getTableDescriptors().add(hTableDescriptor);

      // 2. Execute the on-disk Restore
      LOG.debug("Starting restore snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot));
      Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      SnapshotManifest manifest = SnapshotManifest.open(masterServices.getConfiguration(), fs,
                                                        snapshotDir, snapshot);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs, manifest,
          this.hTableDescriptor, rootDir, monitor, status);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();
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   * @throws CorruptedSnapshotException if the snapshot is invalid
   * @throws IOException if there is an unexpected connection issue to the filesystem
   */
  public void verifySnapshot(Path snapshotDir, Set<String> snapshotServers)
      throws CorruptedSnapshotException, IOException {
    SnapshotManifest manifest = SnapshotManifest.open(services.getConfiguration(), fs,
                                                      snapshotDir, snapshot);
    // verify snapshot info matches
    verifySnapshotDescription(snapshotDir);

    // check that tableinfo is a valid table description
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    Path rootDir = fileSystemManager.getRootDir();

    try {
      // 1. Execute the on-disk Clone
      Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      SnapshotManifest manifest = SnapshotManifest.open(conf, fs, snapshotDir, snapshot);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(conf, fs,
          manifest, hTableDescriptor, tableRootDir, monitor, status);
      metaChanges = restoreHelper.restoreHdfsRegions();

      // Clone operation should not have stuff to restore or remove
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  public void addRegionToSnapshot(SnapshotDescription desc,
      ForeignExceptionSnare exnSnare) throws IOException {
    Path rootDir = FSUtils.getRootDir(conf);
    Path snapshotDir = SnapshotDescriptionUtils.getWorkingSnapshotDir(desc, rootDir);

    SnapshotManifest manifest = SnapshotManifest.create(conf, getFilesystem(),
                                                        snapshotDir, desc, exnSnare);
    manifest.addRegion(this);
  }
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    // Get snapshot info from file system. The reqSnapshot is a "fake" snapshotInfo with
    // just the snapshot "name" and table name to restore. It does not contains the "real" snapshot
    // information.
    SnapshotDescription snapshot = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    SnapshotManifest manifest = SnapshotManifest.open(master.getConfiguration(), fs,
        snapshotDir, snapshot);
    HTableDescriptor snapshotTableDesc = manifest.getTableDescriptor();
    TableName tableName = TableName.valueOf(reqSnapshot.getTable());

    // stop tracking "abandoned" handlers
    cleanupSentinels();
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  }

  private void init() throws IOException {
    Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshotName, rootDir);
    SnapshotDescription snapshotDesc = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    SnapshotManifest manifest = SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);

    // load table descriptor
    htd = manifest.getTableDescriptor();

    List<SnapshotRegionManifest> regionManifests = manifest.getRegionManifests();
    if (regionManifests == null) {
      throw new IllegalArgumentException("Snapshot seems empty");
    }

    regions = new ArrayList<HRegionInfo>(regionManifests.size());
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    Path rootDir = FSUtils.getRootDir(conf);
    FileSystem fs = rootDir.getFileSystem(conf);

    Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshotName, rootDir);
    SnapshotDescription snapshotDesc = SnapshotDescriptionUtils.readSnapshotInfo(fs, snapshotDir);
    SnapshotManifest manifest = SnapshotManifest.open(conf, fs, snapshotDir, snapshotDesc);
    List<SnapshotRegionManifest> regionManifests = manifest.getRegionManifests();
    if (regionManifests == null) {
      throw new IllegalArgumentException("Snapshot seems empty");
    }

    // load table descriptor
    HTableDescriptor htd = manifest.getTableDescriptor();

    // TODO: mapred does not support scan as input API. Work around for now.
    Scan scan = null;
    if (conf.get(TableInputFormat.SCAN) != null) {
      scan = TableMapReduceUtil.convertStringToScan(conf.get(TableInputFormat.SCAN));
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      this.masterServices.getTableDescriptors().add(hTableDescriptor);

      // 2. Execute the on-disk Restore
      LOG.debug("Starting restore snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot));
      Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      SnapshotManifest manifest = SnapshotManifest.open(masterServices.getConfiguration(), fs,
                                                        snapshotDir, snapshot);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs, manifest,
          this.hTableDescriptor, rootDir, monitor, status);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();
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   * @throws CorruptedSnapshotException if the snapshot is invalid
   * @throws IOException if there is an unexpected connection issue to the filesystem
   */
  public void verifySnapshot(Path snapshotDir, Set<String> snapshotServers)
      throws CorruptedSnapshotException, IOException {
    SnapshotManifest manifest = SnapshotManifest.open(services.getConfiguration(), fs,
                                                      snapshotDir, snapshot);
    // verify snapshot info matches
    verifySnapshotDescription(snapshotDir);

    // check that tableinfo is a valid table description
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  public void addRegionToSnapshot(SnapshotDescription desc,
      ForeignExceptionSnare exnSnare) throws IOException {
    Path rootDir = FSUtils.getRootDir(conf);
    Path snapshotDir = SnapshotDescriptionUtils.getWorkingSnapshotDir(desc, rootDir);

    SnapshotManifest manifest = SnapshotManifest.create(conf, getFilesystem(),
                                                        snapshotDir, desc, exnSnare);
    manifest.addRegion(this);
  }
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Related Classes of org.apache.hadoop.hbase.snapshot.SnapshotManifest$RegionVisitor

  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.FSDataOutputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.hbase.client.TableSnapshotScanner
  • org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormatImpl
  • org.apache.hadoop.hbase.master.snapshot.CloneSnapshotHandler
  • org.apache.hadoop.hbase.master.snapshot.MasterSnapshotVerifier
  • org.apache.hadoop.hbase.master.snapshot.RestoreSnapshotHandler
  • org.apache.hadoop.hbase.master.snapshot.SnapshotManager
  • org.apache.hadoop.hbase.protobuf.generated.SnapshotProtos.SnapshotDataManifest
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