Package org.apache.hadoop.hbase.quotas

Interface FileArchiverNotifier

All Known Implementing Classes:
FileArchiverNotifierImpl
@Private public interface FileArchiverNotifier
Interface allowing various implementations of tracking files that have recently been archived to allow for the Master to notice changes to snapshot sizes for space quotas. This object needs to ensure that addArchivedFiles(Set) and computeAndStoreSnapshotSizes(Collection) are mutually exclusive. If a "full" computation is in progress, new changes being archived should be held.

  • Method Details

    • addArchivedFiles

      void addArchivedFiles(Set<Map.Entry<String,Long>> fileSizes) throws IOException
      Records a file and its size in bytes being moved to the archive directory.
      Parameters:
      fileSizes - A collection of file name to size in bytes
      Throws:
      IOException - If there was an IO-related error persisting the file size(s)

    • computeAndStoreSnapshotSizes

      long computeAndStoreSnapshotSizes(Collection<String> currentSnapshots) throws IOException
      Computes the size of a table and all of its snapshots, recording new "full" sizes for each.
      Parameters:
      currentSnapshots - the current list of snapshots against this table
      Returns:
      The total size of all snapshots against this table.
      Throws:
      IOException - If there was an IO-related error computing or persisting the sizes.