MariaDB 10.1.0 Overview and Highlights

MariaDB 10.1.0 was recently released, and is available for download here:

https://downloads.mariadb.org/mariadb/10.1.0/

This is the first alpha release of MariaDB 10.1, so there are a lot of new changes and functionalities added, which cover a wide variety of areas such as: Performance, InnoDB/XtraDB, WebScaleSQL, Optimizer, Security, Storage Engine functionality, & Administration Improvements.

These are 9 of the most notable changes in MariaDB 10.1.0 (but do check out the release notes and changelogs below for the full list of changes):

  1. InnoDB: Allow > 16K pages on InnoDB – InnoDB now allows page size to be configured as 16K, 32K and 64K. Note that single row size must be < 16K. This feature will allow especially more blob columns to be created.
  2. InnoDB: Force PK option – Added a new dynamic configuration variable innodb_force_primary_key default off. If option is true, create table without primary key or unique key where all keyparts are NOT NULL is not accepted. Instead an error message is printed. Variable value can be changed with set global innodb_force_primary_key = .
  3. Security: Enhance security using special compilation options – MariaDB is now compiled with security hardening options by default. It is an additional protection layer that makes new, yet unknown, security vulnerabilities more difficult to exploit.
  4. Optimizer: ANALYZE $stmt – Check how close the optimizer’s estimates about the query plan are to the reality. (more about this here also)
  5. WebScaleSQL: Added numerous improvements from WebScaleSQL (including MDEV-6314, MDEV-6315, MDEV-6323, MDEV-6325, MDEV-6329, and more).
  6. Performance: Disable Performance Schema by default.
  7. Performance: Merge 10.0.10-FusionIO to 10.1 – Atomic writes, multi-threaded flushing and page compression are available for Fusion-IO devices in 10.1.0.
  8. Storage Engine: Don’t create frm files for temporary tables – Temporary tables no longer create frm files on disk. Which means that if the temporary table is created in the MEMORY engine, it will not touch the disk at all.
  9. Administration: GUI-friendly cmake options to enable/disable plugins – MariaDB now uses PLUGIN_xxx cmake options to enable or disable plugins, not a combination of WITH_xxx, WITHOUT_xxx, WITH_PLUGINX_xxx, WITHOUT_PLUGIN_xxx, WITH_xxx_STORAGE_ENGINE, WITHOUT_xxx_STORAGE_ENGINE.

You can read more about the 10.1.0 release here:

https://mariadb.com/kb/en/mariadb-1010-release-notes/

And if interested, you can review the full list of changes in 10.1.0 (changelogs) here:

https://mariadb.com/kb/en/mariadb-1010-changelog/

Hope this helps.

 

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One Response to “MariaDB 10.1.0 Overview and Highlights”

  1. Laurynas says:

    It should be noted that large InnoDB page sizes are not supported for compression yet.


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