Package org.apache.hadoop.hbase.snapshot

Examples of org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper$RestoreMetaChanges

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    Path tableDir = new Path(tableRootDir, tableName);

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

      // Clone operation should not have stuff to restore or remove
      Preconditions.checkArgument(!metaChanges.hasRegionsToRestore(),
          "A clone should not have regions to restore");
      Preconditions.checkArgument(!metaChanges.hasRegionsToRemove(),
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      this.masterServices.getTableDescriptors().add(hTableDescriptor);

      // 2. Execute the on-disk Restore
      LOG.debug("Starting restore snapshot=" + SnapshotDescriptionUtils.toString(snapshot));
      Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs,
          snapshot, snapshotDir, hTableDescriptor, tableDir, monitor);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();

      // 3. Applies changes to .META.
      hris.clear();
      if (metaChanges.hasRegionsToAdd()) hris.addAll(metaChanges.getRegionsToAdd());
      if (metaChanges.hasRegionsToRestore()) hris.addAll(metaChanges.getRegionsToRestore());
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    MonitoredTask status = TaskMonitor.get().createStatus(
        "Restoring  snapshot '" + snapshotName + "' to directory " + tableDir);
    ForeignExceptionDispatcher monitor = new ForeignExceptionDispatcher();

    RestoreSnapshotHelper helper = new RestoreSnapshotHelper(conf, fs,
        snapshotDesc, snapshotDir, htd, tableDir, monitor, status);
    helper.restoreHdfsRegions();
  }
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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);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs,
          snapshot, snapshotDir, hTableDescriptor, rootDir, monitor, status);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();

      // 3. Forces all the RegionStates to be offline
      //
      // The AssignmentManager keeps all the region states around
      // with no possibility to remove them, until the master is restarted.
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      this.masterServices.getTableDescriptors().add(hTableDescriptor);

      // 2. Execute the on-disk Restore
      LOG.debug("Starting restore snapshot=" + SnapshotDescriptionUtils.toString(snapshot));
      Path snapshotDir = SnapshotDescriptionUtils.getCompletedSnapshotDir(snapshot, rootDir);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs,
          snapshot, snapshotDir, hTableDescriptor, tableDir, monitor, status);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();

      // 3. Forces all the RegionStates to be offline
      //
      // The AssignmentManager keeps all the region states around
      // with no possibility to remove them, until the master is restarted.
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    Path tableDir = new Path(tableRootDir, tableName);

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

      // Clone operation should not have stuff to restore or remove
      Preconditions.checkArgument(!metaChanges.hasRegionsToRestore(),
          "A clone should not have regions to restore");
      Preconditions.checkArgument(!metaChanges.hasRegionsToRemove(),
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    Path rootDir = fileSystemManager.getRootDir();

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

      // Clone operation should not have stuff to restore or remove
      Preconditions.checkArgument(!metaChanges.hasRegionsToRestore(),
          "A clone should not have regions to restore");
      Preconditions.checkArgument(!metaChanges.hasRegionsToRemove(),
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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);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs,
          snapshot, snapshotDir, hTableDescriptor, rootDir, monitor, status);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();

      // 3. Applies changes to .META.
      hris.clear();
      status.setStatus("Preparing to restore each region");
      if (metaChanges.hasRegionsToAdd()) hris.addAll(metaChanges.getRegionsToAdd());
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    Path tableDir = new Path(tableRootDir, tableName);

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

      // Clone operation should not have stuff to restore or remove
      Preconditions.checkArgument(!metaChanges.hasRegionsToRestore(),
          "A clone should not have regions to restore");
      Preconditions.checkArgument(!metaChanges.hasRegionsToRemove(),
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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);
      RestoreSnapshotHelper restoreHelper = new RestoreSnapshotHelper(
          masterServices.getConfiguration(), fs,
          snapshot, snapshotDir, hTableDescriptor, tableDir, monitor);
      RestoreSnapshotHelper.RestoreMetaChanges metaChanges = restoreHelper.restoreHdfsRegions();

      // 3. Applies changes to .META.
      hris.clear();
      if (metaChanges.hasRegionsToAdd()) hris.addAll(metaChanges.getRegionsToAdd());
      if (metaChanges.hasRegionsToRestore()) hris.addAll(metaChanges.getRegionsToRestore());
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Related Classes of org.apache.hadoop.hbase.snapshot.RestoreSnapshotHelper$RestoreMetaChanges

  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher
  • org.apache.hadoop.hbase.HRegionInfo
  • org.apache.hadoop.hbase.HTableDescriptor
  • org.apache.hadoop.hbase.io.HFileLink
  • org.apache.hadoop.hbase.io.Reference
  • org.apache.hadoop.hbase.mapreduce.TableSnapshotInputFormat
  • org.apache.hadoop.hbase.master.snapshot.CloneSnapshotHandler
  • org.apache.hadoop.hbase.master.snapshot.RestoreSnapshotHandler
  • org.apache.hadoop.hbase.monitoring.MonitoredTask
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