trait DB extends Closeable
The local KV storage used to persist the shuffle state, the implementations may include LevelDB, RocksDB, etc.
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- @Private()
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- abstract def close(): Unit
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- Closeable → AutoCloseable
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- @throws(classOf[java.io.IOException])
- abstract def delete(key: Array[Byte]): Unit
Delete the DB entry (if any) for "key".
- abstract def get(key: Array[Byte]): Array[Byte]
Get which returns a new byte array storing the value associated with the specified input key if any.
- abstract def iterator(): DBIterator
Return an iterator over the contents of the DB.
- abstract def put(key: Array[Byte], value: Array[Byte]): Unit
Set the DB entry for "key" to "value".
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