MariaDB Enterprise Tools introduction
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The capabilities and features of MariaDB Platform continue to expand, resulting in larger and more sophisticated production deployments – and the need for better tools. To provide DBAs with comprehensive, consolidating tooling, we created MariaDB Enterprise Tools: an easy-to-use, modular command-line interface for interacting with any part of MariaDB Platform. In this session, we will provide a preview of the MariaDB Enterprise Client, walk through current and planned modules and discuss future plans for MariaDB Enterprise Tools – including SkySQL modules and the ability to create custom modules.
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MariaDB Enterprise Tools introduction
- 1. MariaDB Enterprise Tools Andrew Hutchings Software Engineering Manager MariaDB Corporation 1
- 2. About Me 2 ● Andrew (LinuxJedi) Hutchings ● Previously Lead Engineer / Manager for MariaDB ColumnStore ● Many years of experience in database, cloud and web technologies ● Co-author of MySQL 5.1 Plugin Development ● Twitter: @LinuxJedi ● EMail: linuxjedi@mariadb.com
- 3. Intended Audience ● DBAs who use command line tools ● Or really anyone who uses command line tools 3
- 4. The Problem... 4 ● MariaDB’s growing suite of products each has its own set of tools to use ● Some of the tools have different interfaces ● Several of the tools have not had many changes in years ● DBA tools that MariaDB do not have equivalents of yet also have different interfaces
- 5. The Idea ● A unified utility that encompases the entire MariaDB stack ● Modular design so extra tools can be added ● Easy / inviting to use for beginners and power users ● Newer features that MariaDB clients should have had long ago 5
- 6. 6 The Solution - Codename Narwhal
- 7. What is it? 7 ● A unified command line framework for Linux, Windows and macOS ○ The “Swiss Army Knife” of MariaDB ● Designed from the ground up to be easy to use ○ Run from your laptop (or on-prem server) to connect to multiple servers and cloud ○ Wizard driven, help screens, extensive documentation ○ Many advanced features for power users ● High-performance non-blocking core ● Extendable using modular interface ○ Can also execute external tools as modules ● Developed from the ground-up by MariaDB Corporation
- 8. 8
- 9. Target Users 9 ● DBAs / RDBAs & Developers ● MariaDB field engineers (using MariaDB Tools on site) ● DevOps / SRE ● From beginner to expert
- 11. Project Status ● Early technical preview stage ● Multi-window support ● Plugin architecture created ● SQL Prompt and ‘top’-like module created ● Builds and runs in macOS and Linux ● User and module developer documentation written 11
- 12. 12 Menu bar Current DB name in prompt Precise execution time Bold column names (only for terminal output) Unicode table layout characters Host / port, shows padlock for SSL User authenticated as Current character set (UTF-8 default) Current table layout type Indicator for terminal / file output Current delimiter Status bar
- 13. 13 Current Features - Core ● Entirely event driven asynchronous core ● Handles multiple SQL connections simultaneously in a single thread ● Multi-window capable ● Multiple possible table layouts ● Unicode from the ground-up (but can fall-back to ASCII) ○ Powerline support too ● Mouse support (scrolling only for now) ● Connection URL support (mariadb://user@hostname/database) ● SSL certification verification by default
- 14. Current Features - Core - Table Layouts ● ASCII - Like the traditional client ● Unicode - A more fancy output ● CSV - For direct input into other tools ● Vertical - Like using “G” in the traditional client ● Markdown - For directly creating tables in documents ● JSON - Can be used for building REST requests ● Many more possible 14
- 15. Current Features - SQL Prompt ● Smarter query processing, no need for a delimiter for single line queries ● Easier to understand query history search ● Modular command parser ○ New commands are simple to add 15
- 16. Current Features - Module API ● Well documented API for modules ● Currently written in C ● Gives functionality for ○ Window manipulation ○ Async SQL queries ○ Command parsing ○ General utilities 16
- 17. Current Features - Top Module ● Similar to Linux / Unix ‘top’ command ● Shows live usage statistics for a MariaDB server ● Shows processlist 17
- 18. The Future 18
- 19. Planned Features - Core ● Help improvements ● UI improvements to aid users ● Full mouse support ● Windows support ● Connection details manager 19
- 20. Planned Features - SQL Watch Module ● A module to execute a single query repeatedly and watch for changes ○ New rows ○ Modified rows ● Can be useful to see state changes in status variables or live changes to parts of tables 20
- 21. Planned Features - Shell Exec Wizard ● Provides a form to execute an external application ○ mariabackup as an example ● Uses a simple configuration file to map form details to executable options ● Output renders inside the UI ○ Interactive input may also be possible later ● Makes it extremely easy to add extra features just with configuration files 21
- 22. Planned Features - Command Modules ● Modules that a user can run with a single command ○ They execute something ○ Echo to screen if needed ○ Then return ● Can take zero or more parameters ● Executed by just typing in the command name in SQL Prompt with any parameters 22
- 23. Planned Features - SQL Prompt ● Autocomplete suggestions ● Live syntax highlighting ● More commands 23
- 24. Planned Features - Backup ● A multi-threaded warm backup module ○ Think the regular dump tool but many times faster ○ Uses transaction snapshots ○ Possibly also use replication stream to get the data between start and end of snapshot ● A hot backup (snapshot) module ○ Implementation details to be decided 24
- 25. Planned Features - SkySQL ● Simple user interface to create and manage SkySQL instances ● A new instance could automatically be stored in the connection list 25
- 26. More Features? ● MariaDB’s tools, ColumnStore tools, Xpand’s tools, MaxScale’s tools, etc... ● Database browser? Replication visualisations? Split window view? ● We are open to suggestions ● This is a modular core, we can do a lot with it 26
- 27. Demo Time 27
- 28. Summary 28 ● We are building a simple unified DBA tool for the entire MariaDB stack ● Expect more about this tool in the coming months as we complete the first release
- 29. Thank You! 29