The Ultimate Guide to High Availability with MariaDB
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Release Notes for MariaDB Enterprise Server 10.4.34-24

MariaDB Enterprise Server 10.4.34-24 is a maintenance release of MariaDB Enterprise Server 10.4. This release includes a variety of fixes.

MariaDB Enterprise Server 10.4.34-24 was released on 2024-06-11.

Notable Changes

  • Galera has been updated to 26.4.18
    • The GCS protocol version has been changed, preventing a downgrade of individual nodes of a MariaDB Enterprise Cluster

Issues Fixed

Can result in data loss

  • With --gtid-ignore-duplicate set a transaction can be double-applied from another replication source if at applying the transaction from the initial source required retrying in parallel execution. (MDEV-33475)
  • Backups of server with innodb_encrypt_tables=1 can become corrupted in mariadb-backup --prepare (MDEV-33334)
  • Galera-replicated events can in some cases contain the wrong time when versioning is used (MDEV-18590)

Can result in hang or crash

  • Using current MariaDB Enterprise Backup against an older server can result in a crash, as the system variable @@aria_log_dir_path does not exist (MDEV-31251)
  • For encrypted table spaces an ALTER operation can hang when an encryption thread works on the same tablespace (MDEV-33770)
  • EXPLAIN statement that uses a subquery which has a query plan that A) will examine less than @@expensive_subquery_limit rows and B) will use join buffer could cause a crash. (MDEV-21102)
  • MariaDB Enterprise Backup fails with the following error message if the prepare step of the backup encounters a data directory which happens to store wsrep xid position in TRX SYS page: (MDEV-33540) 
     InnoDB: Crash recovery is broken due to insufficient innodb_log_file_size

Can result in unexpected behavior

  • Spider/ODBC passed double quotes for names, in ANSI style (MENT-958)
  • Default charset doesn't work with PHP MySQLi extension (MDEV-32975)
  • Spider returns parsing failure on valid left join select by translating the on expression to () (MDEV-33679)
  • Original IP not shown in network related error messages when proxy_protocol is in use (MDEV-33506)
  • Incorrect DEFAULT expression evaluated in UPDATE (MDEV-33790)
  • Table is getting rebuild with ALTER TABLE ADD COLUMN although it should be an instant operation not requiring a rebuild (MDEV-33214)

Changelog

  • For the complete list of changes in this release, see the changelog.

Platforms

In alignment to the enterprise lifecycle, MariaDB Enterprise Server 10.4.34-24 is provided for:

  • CentOS 7 (x86_64)
  • Debian 10 (x86_64)
  • Microsoft Windows (x86_64) (MariaDB Enterprise Cluster excluded)
  • Red Hat Enterprise Linux 7 (x86_64)
  • Red Hat Enterprise Linux 8 (x86_64, ARM64)
  • Rocky Linux 8 (x86_64, ARM64)
  • SUSE Linux Enterprise Server 12 (x86_64)
  • SUSE Linux Enterprise Server 15 (x86_64, ARM64)
  • Ubuntu 20.04 (x86_64, ARM64)

Some components of MariaDB Enterprise Server are supported on a subset of platforms. See MariaDB Engineering Policies for details.

Installation Instructions

Upgrade Instructions

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