MariaDB ColumnStore 23.02.16 Release Notes

Overview

MariaDB Enterprise ColumnStore 23.02.16 is a Stable (GA) maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine that is included with the MariaDB Enterprise Server.

Release date: 14 Oct 2025

Notable changes

• [MCOL-6106] - Post upgrade to 23.10.4, some of the queries giving different set of results upon executing multiple times.

• [MCOL-5922] - NULLIF function returns -32768 instead of NULL when querying a Columnstore table

• [MCOL-5555] - Add support for readonly command which waits until all active cpimport jobs finished before putting system in readonly

• [MCOL-6104] - Backport dbrmctl startreadonly to 23.02.x

Issues fixed

Can result in hang or crash

• [MCOL-6126] - Prevent Data Loss: Local Extent Map Backup on NFS Outages

• [MCOL-6064] - Excessive and Unreleased memory

• [MCOL-6094] - controlernode left shmem locks behind forcing save_brm to fail b/c of the locks

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