Package org.apache.hadoop.hdfs.server.namenode.snapshot

Examples of org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList

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      boolean useCache, int lastSnapshotId) {
    long nsDelta = 1;
    final long dsDelta;
    FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
    if (sf != null) {
      FileDiffList fileDiffList = sf.getDiffs();
      int last = fileDiffList.getLastSnapshotId();
      List<FileDiff> diffs = fileDiffList.asList();

      if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
          || last == Snapshot.CURRENT_STATE_ID) {
        nsDelta += diffs.size();
        dsDelta = diskspaceConsumed();
      } else if (last < lastSnapshotId) {
        dsDelta = computeFileSize(true, false) * getFileReplication();
      } else {     
        int sid = fileDiffList.getSnapshotById(lastSnapshotId);
        dsDelta = diskspaceConsumed(sid);
      }
    } else {
      dsDelta = diskspaceConsumed();
    }
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  private void computeContentSummary4Snapshot(final Content.Counts counts) {
    // file length and diskspace only counted for the latest state of the file
    // i.e. either the current state or the last snapshot
    FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
    if (sf != null) {
      final FileDiffList diffs = sf.getDiffs();
      final int n = diffs.asList().size();
      counts.add(Content.FILE, n);
      if (n > 0 && sf.isCurrentFileDeleted()) {
        counts.add(Content.LENGTH, diffs.getLast().getFileSize());
      }

      if (sf.isCurrentFileDeleted()) {
        final long lastFileSize = diffs.getLast().getFileSize();
        counts.add(Content.DISKSPACE, lastFileSize * getBlockReplication());
      }
    }
  }
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      }

      String clientName = "";
      String clientMachine = "";
      boolean underConstruction = false;
      FileDiffList fileDiffs = null;
      if (NameNodeLayoutVersion.supports(
          LayoutVersion.Feature.SNAPSHOT, imgVersion)) {
        // read diffs
        fileDiffs = SnapshotFSImageFormat.loadFileDiffList(in, this);
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      }

      String clientName = "";
      String clientMachine = "";
      boolean underConstruction = false;
      FileDiffList fileDiffs = null;
      if (NameNodeLayoutVersion.supports(
          LayoutVersion.Feature.SNAPSHOT, imgVersion)) {
        // read diffs
        fileDiffs = SnapshotFSImageFormat.loadFileDiffList(in, this);
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      boolean useCache, int lastSnapshotId) {
    long nsDelta = 1;
    final long dsDelta;
    FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
    if (sf != null) {
      FileDiffList fileDiffList = sf.getDiffs();
      int last = fileDiffList.getLastSnapshotId();
      List<FileDiff> diffs = fileDiffList.asList();

      if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
          || last == Snapshot.CURRENT_STATE_ID) {
        nsDelta += diffs.size();
        dsDelta = diskspaceConsumed();
      } else if (last < lastSnapshotId) {
        dsDelta = computeFileSize(true, false) * getFileReplication();
      } else {     
        int sid = fileDiffList.getSnapshotById(lastSnapshotId);
        dsDelta = diskspaceConsumed(sid);
      }
    } else {
      dsDelta = diskspaceConsumed();
    }
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  private void computeContentSummary4Snapshot(final Content.Counts counts) {
    // file length and diskspace only counted for the latest state of the file
    // i.e. either the current state or the last snapshot
    FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
    if (sf != null) {
      final FileDiffList diffs = sf.getDiffs();
      final int n = diffs.asList().size();
      counts.add(Content.FILE, n);
      if (n > 0 && sf.isCurrentFileDeleted()) {
        counts.add(Content.LENGTH, diffs.getLast().getFileSize());
      }

      if (sf.isCurrentFileDeleted()) {
        final long lastFileSize = diffs.getLast().getFileSize();
        counts.add(Content.DISKSPACE, lastFileSize * getBlockReplication());
      }
    }
  }
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Related Classes of org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList

  • org.apache.hadoop.hdfs.server.namenode.FSImageFormat$Loader
  • org.apache.hadoop.hdfs.server.namenode.INodeFile
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