Package org.apache.hadoop.hdfs.tools.snapshot

Class SnapshotDiff

java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.hadoop.hdfs.tools.snapshot.SnapshotDiff
All Implemented Interfaces:
org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
@Private public class SnapshotDiff extends org.apache.hadoop.conf.Configured implements org.apache.hadoop.util.Tool
A tool used to get the difference report between two snapshots, or between a snapshot and the current status of a directory. 
 Usage: SnapshotDiff snapshotDir from to
 For from/to, users can use "." to present the current status, and use 
 ".snapshot/snapshot_name" to present a snapshot, where ".snapshot/" can be 
 omitted.

  • Constructor Summary

    Constructors
    Constructor
    Description
    SnapshotDiff()
    Construct a SnapshotDiff object.
    SnapshotDiff(org.apache.hadoop.conf.Configuration conf)
    Construct a SnapshotDiff object.

  • Method Summary

    Modifier and Type
    Method
    Description
    static void
    main(String[] argv)
     
    int
    run(String[] argv)
     

    Methods inherited from class org.apache.hadoop.conf.Configured

    getConf, setConf

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface org.apache.hadoop.conf.Configurable

    getConf, setConf

  • Constructor Details

    • SnapshotDiff

      public SnapshotDiff()
      Construct a SnapshotDiff object.

    • SnapshotDiff

      public SnapshotDiff(org.apache.hadoop.conf.Configuration conf)
      Construct a SnapshotDiff object.

  • Method Details