MariaDB Day Brussels 0202 2020 Provisional Schedule

A provisional schedule for the first MariaDB Day, to be held as part of the FOSDEM Fringe in Brussels at the Bedford Hotel and Congress Centre on Sunday February 2, is now available.

MariaDB Day is a complementary event to MySQL, MariaDB and Friends, giving an opportunity to more speakers and for more in-depth MariaDB coverage.

Attendance is free, but space is limited, so please RSVP on the Meetup page if you plan to attend.


09:30 – 10:00 Morning tea
10:00 – 10:20 MariaDB Observability  Peter Zaitsev
10:30 – 10:50 Why do I need columnar storage  Andrew Hutchings
11:00 – 11:20 MariaDB 10.5 new Galera features – a sneak peak Seppo Jaakola
11:30 – 11:50 5 Application-time periods in MariaDB –
new syntax and table constraints: from PORTIONs to FOREIGN KEYs
Nikita Malyavin
12:00 – 13:00 Lunch
13:00 – 13:20 InnoDB Status &

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MariaDB Day Brussels 0202 2020

The first MariaDB Day will be held in Brussels at the Bedford Hotel and Congress Centre on Sunday February 2. This is a complementary event to the MySQL, MariaDB and Friends Day at FOSDEM, which is far-oversubscribed, and gives an opportunity for other speakers and more in-depth coverage of MariaDB-related topics.

Attendance is free, but space is limited, so please RSVP on the Meetup page if you plan to attend.

We also wish to gratefully thank our sponsors, MariaDB Corporation and Virgil Security Inc., for supporting the event. Virgil Security enables a new generation of enhanced privacy and security for applications, cloud services, and the Internet of Things by providing easy-to-deploy and easy-to-use cryptographic software and services for developers and end-users. Read more

2019 MariaDB Developers Unconference Shanghai Presentations

The 2019 Shanghai MariaDB Developers Unconference is being hosted by Microsoft Shanghai, from 19 November. Slides will be added to this post as they become available.

Day One

Day Two

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2019 上海MariaDB开发者会议

(The original English version of this post is available here).

MariaDB基金会很高兴地宣布,2019 年度MariaDB开发者会议将于上海举行。继第一届2017年深圳开发者会议之后,这是该会议在中国的第二次举办。此次会议将于2019年11月19日周二开始,2019年11月21日周四结束。

此次会议将由微软上海分公司友情承办。请有意向与会者,点击此链接报名参加event page at 我们建议您选择会议地址附近的酒店入住。所有会议均免费参加。




若您需要申请办理签证所需邀请函,请浏览此处see the visa applications page for China from Shenzhen.
若您对此次会议或者如何致力于MariaDB有任何疑问,请随时于此处发起您的讨论MariaDBdevelopers mailing list以及MariaDB discuss mailing list.

报名参加会议请点击此处 MariaDB Developers (Un)Conference here. Read more

2019 Developers Unconference, Shanghai, Nov 2019

(A Chinese version of this post is available here).

The MariaDB Foundation is pleased to announce the 2019 MariaDB Developers Unconference in Shanghai. This will be our second Unconference in China, after the 2017 Developers Unconference in Shenzhen, and will take place from Tuesday 19 November to Thursday 21 November 2019.

Microsoft Shanghai are kindly hosting the event. If you want to attend, please sign up on the event page at We recommend you stay in a hotel near the venue.

All events are free of charge to attend.

The event will be the traditional unconference, with lots of opportunities for discussions and collaboration around any topic. Read more

2019 MariaDB Developers Unconference New York Presentations

The 2019 New York MariaDB Developers UnConference was hosted by Hudson River Trading, on February 23 and February 24.

Below are a list of the sessions with links to slides where available (some were discussions with no slides). This post will be updated as slides/video become available.

Day One

  • State of the Infra (Teodor Ionita)
  • The Path of the Query (Sergei Golubchik)
  • How to write your first patch (Anel Husaković) – slides
  • How to write a simple plugin for MariaDB ((Vicențiu Ciorbaru)
  • GSoC Projects and what can we do better (Vicențiu Ciorbaru) – slides
  • ALTER TABLE improvements in MariaDB 10.4 (Marko) – slides
  • Account Locking and Password Expiration (Robert Bîndar) – slides
  • Buildbot gatekeeping and staging on main repo (Teodor Ionita)
  • Debian/Ubuntu debug and packaging overview (Faustin) – slides

Day Two

  • MyRocks: recent feature add-ons (Yoshinori Matsunobu)
  • Query optimizer in MariaDB 10.4 (Sergei Petrunia) – slides
  • Shutdown refactoring in 10.4 (Sergey Vojtovich)
  • Lessons for the Optimizer from TPC-DS Benchmark run (Sergei Petrunia) – slides
  • Static, dynamic code security checks & fuzzing (Teodor Ionita)
  • The open source roadmap of in 2019 (Rasmus Johansson)
  • XtraBackup at Alibaba Cloud (Fungo Wang) – slides
  • Columnstore: significant changes and future projects (Roman Nozdrin)
  • Alibaba plan to open source Double-Sync Replication/MySQL-Raft Replication and latest Flashback improvements (Lixun Peng)
  • MariaDB ColumnStore Scalability and Transactions (Sasha V) – slides
  • Backup in MariaDB (Monty Widenius)

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“How to write your first patch ? ” – MariaDB Unconference Presentations

 Have you ever wondered how to get started with contributions to the world’s most popular open source database? Did you have a problems with building and configuring from source code, writing the contribution patch and testing the server with  use of mysql-test-run (mtr) framework  afterwards?
How to make your patch visible to other developers?
In this section we will go through each step in this process from getting the latest source code, testing the server and writing your first contribution with the live demo!
Let’s get started! Anel Husakovic (  – is going to talk about it all at our New York Unconference 23d-24th of February Read more