Release 0.157

    • Reduce CPU usage of coordinator in large, heavily loaded clusters.

    • Add bitwise_and_agg() and aggregation functions.

    • Add config flag to set the minimum number of splits to consider for scheduling per batch.

    • Remove support for scheduling multiple tasks in the same stage on a single worker.

    Hive Changes

    • Improve error message when trying to query tables that are bucketed on non-existent columns.

    • Add support for processing partitions whose schema does not match the table schema.

    • Add support for creating external Hive tables using the table property.