Version 4.0.7

    Note

    Please consult the Upgrade Notes before upgrading from CrateDB 3.x or earlier. Before upgrading to 4.0.7 you should be running a CrateDB cluster that is at least on 3.0.7.

    We recommend that you upgrade to the latest 3.3 release before moving to 4.0.7.

    If you want to perform a , your current CrateDB version number must be at least Version 4.0.2. Any upgrade from a version prior to this will require a .

    When restarting, CrateDB will migrate indexes to a newer format. Depending on the amount of data, this may delay node start-up time.

    Warning

    You can recreate tables using and COPY FROM or by inserting the data into a new table.

    Before upgrading, you should .

    Table of Contents

    See the release notes for a full list of changes in the 4.0 series.

    • Fixed the handling of array values when used in the SET GLOBAL statement.

    • Fixed an issue when using try_cast('invalid-ts' as timestamp) which resulted in a parsing exception instead of an expected NULL value.

    • Tuned the circuit breaker mechanism to reduce the chance of it rejecting queries under low cluster load.

    • Made the documented indices.breaker.total.limit setting public, so that it can be adjusted using .

    • Improved the migration logic for partitioned tables which have been created in CrateDB 2.x. If all current partitions of a partitioned tables have been created in CrateDB 3.x, the table won’t have to be re-indexed anymore to upgrade to CrateDB 4.0+.

    • Changed the error message returned when a CREATE REPOSITORY statement fails so that it includes more information about the cause of the failure.