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If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition. All data will be processed using a single transaction and reads will be neither distributed nor parallelized.

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If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition. All data will be processed using a single transaction and reads will be neither distributed nor parallelized.

If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition. All data will be processed using a single transaction and reads will be neither distributed nor parallelized.

See also:

added 110 characters in body
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zero323
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If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition. All data will be processed using a single transaction and reads will be neither distributed nor parallelized.

If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition.

If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition. All data will be processed using a single transaction and reads will be neither distributed nor parallelized.

Source Link
zero323
  • 331.4k
  • 108
  • 982
  • 958

If you don't specify either {partitionColumn, lowerBound, upperBound, numPartitions} or {predicates} Spark will use a single executor and create a single non-empty partition.