HadoopCheckpointStore

Value Members

1. final def !=(arg0: Any): Boolean

   

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2. final def ##(): Int

   

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3. final def ==(arg0: Any): Boolean

   

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4. final def asInstanceOf[T0]: T0

   

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5. def clone(): AnyRef

   

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6. def close(): Unit

   

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   HadoopCheckpointStore → CheckpointStore

7. final def eq(arg0: AnyRef): Boolean

   

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8. def equals(arg0: Any): Boolean

   

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9. def finalize(): Unit

   

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10. final def getClass(): Class[_]

    

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11. def hashCode(): Int

    

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12. final def isInstanceOf[T0]: Boolean

    

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13. final def ne(arg0: AnyRef): Boolean

    

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14. final def notify(): Unit

    

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15. final def notifyAll(): Unit

    

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16. def persist(timestamp: TimeStamp, checkpoint: Array[Byte]): Unit

    

    Persists a pair of timestamp and checkpoint, which:

    Persists a pair of timestamp and checkpoint, which:

    1. creates a temporary checkpoint file, checkpoints-$startTime.store, if not exist 2. writes out (timestamp, checkpoint) and marks rotation 3. rotates checkpoint file if needed
       1. renames temporary checkpoint file to checkpoints-$startTime-$endTime.store b. closes current writer and reset c. rotation rotates

    Definition Classes

    HadoopCheckpointStore → CheckpointStore

17. def recover(timestamp: TimeStamp): Option[Array[Byte]]

    

    Recovers checkpoint given timestamp, which

    Recovers checkpoint given timestamp, which

    1. returns None if no store exists
    2. searches checkpoint stores for
      a. complete store checkpoints-$startTime-$endTime.store
          where startTime <= timestamp <= endTime
      b. temporary store checkpoints-$startTime.store
          where startTime <= timestamp
    3. renames store to checkpoints-$startTime-$endTime.store
    4. deletes all stores whose name has a startTime larger than timestamp
    5. looks for the checkpoint in the found store

    Definition Classes

    HadoopCheckpointStore → CheckpointStore

18. final def synchronized[T0](arg0: ⇒ T0): T0

    

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19. def toString(): String

    

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20. final def wait(): Unit

    

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21. final def wait(arg0: Long, arg1: Int): Unit

    

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22. final def wait(arg0: Long): Unit

    

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