MariaDB 10.3.5 Release Notes
Note: This page describes features in the source repository for MariaDB 10.3. There are currently no official packages or binaries available for download which contain the features. If you want to try out any of the new features described here you will need to get and compile the code yourself.
MariaDB 10.3 is the current development series of MariaDB. It is an evolution of MariaDB 10.2 with several entirely new features not found anywhere else and with backported and reimplemented features from MySQL.
For an overview of MariaDB 10.3 see the What is MariaDB 10.3? page.
Thanks, and enjoy MariaDB!
Notable Changes
- Numerous performance improvements for high-concurrency load
- Useless
@@system_versioning_innodb_algorithm_simple
server variable was removed - New sql_mode
SIMULTANEOUS_ASSIGNMENT
to make theSET
part of theUPDATE
statement to evaluate all assignments simultaneously, not left-to-right. - Numerous scalability and performance improvements to global data structures, including MDEV-14756, MDEV-15019, MDEV-14482, MDEV-15059, MDEV-15104
- Correctness improvement - TRUNCATE honors transactional locks (MDEV-15061)
- Performance improvements to persistent data structures: MDEV-15090, MDEV-15132
Other Changes
- On Linux, shrink the core dumps by omitting the InnoDB buffer pool (MDEV-10814)
- Fix upgrades from earlier InnoDB versions (MDEV-15370)
- MDEV-11455: create status variable innodb_buffer_pool_load_incomplete
- As per the MariaDB Deprecation Policy, 10.3 binary tarball packages for GLIBC_2.5 (that were built on CentOS 5) have been discontinued.
Notable Bug Fixes merged from 10.2
MariaDB 10.3.5 includes all bug fixes from MariaDB 10.2.13, including the following:
- MDEV-11415 Remove excessive undo logging during ALTER TABLE…ALGORITHM=COPY
- Faster startup when no crash recovery is deeded (MDEV-15333, MDEV-13869)
Do not use non-GA releases on production systems!
Changelog
For a complete list of changes made in MariaDB 10.3.5, with links to detailed information on each push, see the changelog.
Be notified of new MariaDB Server releases automatically by subscribing to the MariaDB Foundation community announce 'at' lists.mariadb.org announcement list (this is a low traffic, announce-only list). MariaDB plc customers will be notified for all new releases, security issues and critical bug fixes for all MariaDB plc products thanks to the Notification Services.
MariaDB may already be included in your favorite OS distribution. More
information can be found on the
Distributions which Include MariaDB
page.