Release Notes for MariaDB Enterprise Server 10.4.11-5

This fifth release of MariaDB Enterprise Server 10.4 is a maintenance release, including a variety of fixes.

MariaDB Enterprise Server 10.4.11-5 was released on 2020-01-06.

Notable Changes

• no longer sends unnecessary warnings to the error log about maximum row size for DDL statements when and (MDEV-20832)

• Redundant writes to the redo log have been removed. ()

• The default for the plugin load option plugin-maturity is now stable (MENT-240)

• and the MariaDB Audit plugin trace now add the user who initiated statements with the DELAYED option. In previous versions a system user was added. (MENT-237)

• MariaDB ColumnStore, a columnar storage engine, is now included with MariaDB Enterprise Server 10.4. Specific details on this component may be found in the .

• no longer permits to be set to SYSLOG on Microsoft Windows. (MENT-258)

Issues Fixed

Can result in data loss

• A table could not be loaded after an instant ALTER ... ADD COLUMN or ALTER ... DROP COLUMN, if the primary key is a CHAR column with variable-length encoding like UTF8 ()

• In rare conditions commits could be applied in the wrong order if the replica is running in optimistic mode. ()

Can result in a hang or crash

• Primary (master) could crash when it executes and a replica (slave) reconnects having reset its connection status with the primary (e.g., CHANGE MASTER TO MASTER_USE_GTID = slave_pos). (MENT-19376)

• "Out of memory" error could occur when accessing partitioned tables. ()

• A crash could occur when ADD PRIMARY KEY was executed by a connection just after another connection issued an instant ADD COLUMN

Can result in unexpected behavior

• Client received error SEC_E_INVALID_TOKEN when SSL is used and connecting to MariaDB Enterprise Server running on Microsoft Windows. ()

• The restore of tables was not always possible if MariaDB Backup was using the parameters --incremental ()

• An incomplete result set was returned when was too small. ()

Interface Changes

• None.

Platforms

In alignment with the , MariaDB Enterprise Server 10.4.11-5 is provided for:

• Red Hat Enterprise Linux 8

• Red Hat Enterprise Linux 7

• Red Hat Enterprise Linux 6

• CentOS 8

Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "".

Note

CentOS 6, Debian 8, and Red Hat Enterprise Linux 6 are no longer supported as per the . Older releases are available from the . Instructions for installation are included as a README file within the download.

Installation Instructions

Upgrade Instructions

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