Version 5.7.2 - Unreleased


In development. 5.7.2 isn’t released yet. These are the release notes for the upcoming release.


If you are upgrading a cluster, you must be running CrateDB 4.0.2 or higher before you upgrade to 5.7.2.

We recommend that you upgrade to the latest 5.6 release before moving to 5.7.2.

A rolling upgrade from 5.6.x to 5.7.2 is supported.

Before upgrading, you should back up your data.


Tables that were created before CrateDB 4.x will not function with 5.x and must be recreated before moving to 5.x.x.

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

Table of contents

See the Version 5.7.0 release notes for a full list of changes in the 5.7 series.

Security Fixes

  • Disabled client-initiated renegotiation for TLS by default. This helps prevent Denial of Service (DoS) attacks.


  • Added memory accounting for multi-phase execution to prevent out-of-memory errors caused by sub-queries such as ‘’SELECT * FROM t1 WHERE id IN (SELECT id FROM t2)’’ or lookup-joins with large intermediate results.

  • Fixed an issue leading to restoring data into wrong tables when restoring a snapshot with partitioned tables using one of the renaming parameters schema_rename_pattern, schema_rename_replacement, table_rename_pattern or table_rename_replacement. Renamed table was created but used to be empty.

  • Fixed an issue leading to a ArrayIndexOutOfBoundsException when using a correlated sub-query where some of its outputs weren’t used in a parent query.