Release Notes for MariaDB Enterprise Server 10.4.10-4

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

MariaDB Enterprise Server 10.4.10-4 was released on 2019-11-18.

Fixed Security Vulnerabilities

Notable Changes

• New option innodb_change_buffer_dump added to Debug builds. This option dumps the contents of the change buffer to the server error log at startup. This is useful when a slow shutdown cannot be performed successfully. ()

• Eliminated unnecessary logging of warnings to the error log regarding maximum row size for DML statements which should be present only for DDL operations. (MENT-454)

• Improved [[]] error logging to explain that GCache recovery is not possible when GCache encryption is enabled. (MENT-373)

Issues Fixed

Can result in data loss

• ... could overwrite binary logs if certain conditions were present. () Conditions which must be present to trigger this bug:

  • is executed on the MariaDB Server host, and

  • Configuration files from the master are used, and

If unable to upgrade to MariaDB Enterprise Server 10.4.10-4, where this bug is fixed, a workaround is available: use the --defaults option to to avoid the bug-triggering conditions by specifying a different configuration file.

Can result in a hang or crash

• Prior removal of a FULLTEXT index from an table can cause a hang on startup. ()

• Removal of a FULLTEXT index from an table can cause a hang. ()

• Change to a table containing a FULLTEXT index can cause Server to become unresponsive. ()

Can result in unexpected behavior

• Unnecessary logging of warnings to the error log regarding maximum row size for DML statements which should be present only for DDL operations. (MENT-454)

• After server restart, a using a FULLTEXT index on tables can fail to return some data. ()

• and MariaDB Backup, when using mbstream, recreated xtrabackup_info in the same directory as the backup file. Repeated extract of the backup could fail. (

Related to install and upgrade

• Installing MariaDB Enterprise Server from repository failed on CentOS 7 due to package dependencies. (MENT-420)

Interface Changes

• WARN_INNODB_PARTITION_OPTION_IGNORED error code added

Platforms

In alignment with the , MariaDB Enterprise Server 10.4.10-4 is provided for:

• CentOS 8

• CentOS 7

• CentOS 6

• Debian 10

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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