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

Examples of org.apache.hadoop.hdfs.server.namenode.WaitingRoom.moveToWaitingRoom()


    stream = fs.create(foo);
    stream.writeByte(0);
    stream.close();
   
    // Move foo to waiting room.
    assertTrue(wr.moveToWaitingRoom(foo));
   
    // Create snapshot
    ssNode.createSnapshot("first", false); // contains nothing

    // Create bar (V1)
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    // Create snapshot
    ssNode.createSnapshot("second", false); // contains bar (V1), mash

    // Move mash, bar to waiting room
    assertTrue(wr.moveToWaitingRoom(mash));
    assertTrue(wr.moveToWaitingRoom(bar));

    // Create bar (V2)
    stream = fs.create(bar);
    stream.write(0);
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    // Create snapshot
    ssNode.createSnapshot("second", false); // contains bar (V1), mash

    // Move mash, bar to waiting room
    assertTrue(wr.moveToWaitingRoom(mash));
    assertTrue(wr.moveToWaitingRoom(bar));

    // Create bar (V2)
    stream = fs.create(bar);
    stream.write(0);
    stream.close();
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