Retrieves or sets initial number of shuffle partitions before coalescing
spark_coalesce_initial_num_partitions(sc, num_partitions = NULL)A spark_connection.
Initial number of shuffle partitions before coalescing.
Defaults to NULL to retrieve configuration entries.
Other Spark runtime configuration:
spark_adaptive_query_execution(),
spark_advisory_shuffle_partition_size(),
spark_auto_broadcast_join_threshold(),
spark_coalesce_min_num_partitions(),
spark_coalesce_shuffle_partitions(),
spark_session_config()