org.apache.spark
An object that defines how the elements in a key-value pair RDD are partitioned by key. Maps each key to a partition ID, from 0 to numPartitions - 1.
numPartitions - 1
Note that, partitioner must be deterministic, i.e. it must return the same partition id given the same partition key.
An object that defines how the elements in a key-value pair RDD are partitioned by key. Maps each key to a partition ID, from 0 to
numPartitions - 1
.Note that, partitioner must be deterministic, i.e. it must return the same partition id given the same partition key.