## The Vitess Documentation ## Contents Concepts ..... 18 Cell ..... 18 Execution Plans ..... 18 Keyspace ID ..... 19 Keyspace ..... 19 MoveTables ..... 19 Identifying Candidate Tables . instances ..... 81 Durability through replication ..... 81 Consistency model ..... 81 Multi-cell ..... 82 Supported Databases ..... 83 MySQL versions 5.6 to 8.0 ..... 83 MariaDB versions 10 Exploring the data in a Topology Service ..... 108 Implementations ..... 109 Running in only one cell ..... 111 Migration between implementations ..... 112 Transport Security Model ..... 114 Overview

## The Vitess Documentation ## Contents Concepts ..... 11 Cell ..... 11 Execution Plans ..... 11 Keyspace Graph ..... 11 Partitions ..... 12 Served From ..... 12 Keyspace ID ..... 12 Keyspace instances ..... 42 Durability through replication ..... 42 Consistency model ..... 42 Multi-cell ..... 43 Supported Databases ..... 44 MySQL versions 5.6 to 8.0 ..... 44 MariaDB versions 10 Service 58 Exploring the data in a Topology Service 58 Implementations 59 Running in only one cell 61 Migration between implementations 62 Transport Security Model ..... 64 Overview ..... 64

## Concepts ## Contents Cell ..... 19 Execution Plans ..... 19 Keyspace ID ..... 20 Keyspace ..... 20 MoveTables ..... 20 Identifying Candidate Tables ..... 20 Query Rewriting ..... 20 instances ..... 90 Durability through replication ..... 91 Consistency model ..... 91 Multi-cell ..... 92 Supported Databases ..... 92 MySQL versions 5.6 to 8.0 ..... 92 MariaDB versions 10 Service 119 Exploring the data in a Topology Service 120 Implementations 120 Running in only one cell 123 Migration between implementations 123 Transport Security Model 125 Overview 125 Caller

with the notebook name, a menu bar, a toolbar and an empty code cell. ## Jupyter Untitled Notebook name d changes) File Edit View Insert Cell Kernel Help Menu bar Toolbar Notebook name: The name displayed on an icon. Code cell: the default type of cell; read on for an explanation of cells. ### 1.4 Structure of a notebook document The notebook consists of a sequence of cells. A cell is a multiline text toolbar, or Cell, Run in the menu bar. The execution behavior of a cell is determined by the cell's type. There are three types of cells: code cells, markdown cells, and raw cells. Every cell starts off

with the notebook name, a menu bar, a toolbar and an empty code cell. ## Jupyter Untitled Notebook name d changes) File Edit View Insert Cell Kernel Help Menu bar Toolbar Notebook name: The name displayed on an icon. Code cell: the default type of cell; read on for an explanation of cells. ### 1.4 Structure of a notebook document The notebook consists of a sequence of cells. A cell is a multiline text toolbar, or Cell, Run in the menu bar. The execution behavior of a cell is determined by the cell's type. There are three types of cells: code cells, markdown cells, and raw cells. Every cell starts off

d>☐ custom_latex_cell_style☐ custom_preprocessor☐ custom_template☐ hr_cell_style☐ latex_cell_style☐ notebook_cell_style☐ cell ## Opening notebook document, you will be presented with the notebook name, a menu bar, a toolbar and an empty code cell. Jupyter Untitled Notebook name ed changes) Notebook name: The name displayed at the top of the

d>☐ custom_latex_cell_style☐ custom_preprocessor☐ custom_template☐ hr_cell_style☐ latex_cell_style☐ notebook_cell_style☐ cell ## Opening notebook document, you will be presented with the notebook name, a menu bar, a toolbar and an empty code cell. Jupyter Untitled Notebook name ed changes) Notebook name: The name displayed at the top of the

and MySQL ..... 8 Vitess database drivers ..... 8 Vitess in action ..... 9 Concepts ..... 9 Cell ..... 9 Keyspace Graph ..... 9 Partitions ..... 9 Served From ..... 9 Keyspace ID ..... 10 instances ..... 44 Durability through replication ..... 44 Consistency model ..... 45 Multi-cell ..... 46 Supported Databases ..... 46 Vitess supports MySQL and MariaDB ..... 46 Vitess supports Exploring the data in a Topology Service 63 Implementations 63 Running in only one cell 66 Migration between implementations 66 Transport Security Model 68 Overview 68

and MySQL ..... 9 Vitess database drivers ..... 9 Vitess in action ..... 9 Concepts ..... 10 Cell ..... 10 Keyspace Graph ..... 10 Partitions ..... 10 Served From ..... 10 Keyspace ID ... instances ..... 36 Durability through replication ..... 37 Consistency model ..... 37 Multi-cell ..... 38 Supported Databases ..... 38 MySQL versions 5.6 to 8.0 ..... 38 MariaDB versions 10 Exploring the data in a Topology Service ..... 55 Implementations ..... 56 Running in only one cell ..... 58 Migration between implementations ..... 59 Transport Security Model ..... 61 Overview

notebook document, you will be presented with the notebook name, a menu bar, a toolbar and an empty code cell. notebook name: The name of the notebook document is displayed at the top of the page, next to the performing the most-used operations within the notebook, by clicking on an icon. code cell: the default type of cell, read on for an explanation of cells Note: As of notebook version 4.1, the user interface sequence of cells. A cell is a multiline text input field, and its contents can be executed by using Shift-Enter, or by clicking either the "Play" button the toolbar, or Cell | Run in the menu bar