The document outlines the vision and roadmap for MySQL 5.7 presented by Airton Lastori at Oracle Open World 2016, highlighting its hybrid database capabilities combining relational and document models. It covers features like read/write scalability, async replication, and auto-failover in addition to demonstrating CRUD operations and the use of JSON for flexible data representation. The roadmap illustrates a multi-stage plan to enhance MySQL's functionality while maintaining its reliability and compatibility with modern agile and DevOps methodologies.

1. MySQL 5.7
Visão e Roadmap
Airton Lastori
airton.lastori@oracle.com
Fevereiro-2017

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Visão
apresentada no Oracle Open World 2016 em San Francisco, CA
2

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Scale-Out
Ease-of-Use
Out-of-Box
Solution
MySQL

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – 4 Steps
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – S1
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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http://db-engines.com/en/ranking_trend (jan-2017)

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http://db-engines.com/en/ranking_categories
183NoSQL
12categorias

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Usa MySQL como NoSQL
eng.uber.com/schemaless-part-one

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Usa MySQL como NoSQL
eng.uber.com/schemaless-part-one

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Exemplo CRUD Document API
MySQL 5.7.12+

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Banco de Dados Híbrido: Confiabilidade + Flexibilidade
MySQL 5.7
Document Store
Suporte JSON
Nova API
BDs Relacionais
Tecnologia madura,
comprovadamente segura.
Transações, queries, JOINs
complexos e conjunto
extenso de ferrametnas
operacionais
NoSQL
Flexibilidade. Escalabilidade
horizontal e facilidade de
uso, schemaless, document
store (JSON)
Aplicações Modernas
Agile + DevOps com
proteção robusta dos
dados
Banco de Dados Híbrido
Melhor dos mundos, sem
trade-offs. Propriedades ACID
& confiabilidade de SGBDR +
flexibilidade de document store

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Exemplo Modelo híbrido: Schema + Schemaless
19
mysql> CREATE DATABASE product_hybrid_test;
mysql> USE product_hybrid_test;
mysql> CREATE TABLE product_info_hybrid (
product_id INT NOT NULL PRIMARY KEY,
description VARCHAR(60) NOT NULL,
price FLOAT NOT NULL,
attributes JSON NOT NULL
);

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Exemplo CRUD modelo híbrido
MySQL 5.7.12+

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CREATE 1
mysql> INSERT INTO product_info_hybrid VALUES (
9,
't-shirt',
20.0,
'{
"size" : "M",
"color" : "red",
"fabric" : "cotton"
}');
Query OK, 1 row affected (0.01 sec)
21

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CREATE 2
mysql> INSERT INTO product_info_hybrid VALUES (
10,
'socks',
15.0,
'{
"size" : "40"
}');
Query OK, 1 row affected (0.01 sec)
22

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READ
mysql> SELECT * FROM product_info_hybrid;
+------------+-------------+-------+---------------------------------------------------+
| product_id | description | price | attributes |
+------------+-------------+-------+---------------------------------------------------+
| 9 | t-shirt | 20 | {"size": "M", "color": "red", "fabric": "cotton"} |
| 10 | socks | 15 | {"size": "40"} |
+------------+-------------+-------+---------------------------------------------------+
2 rows in set (0.00 sec)
23

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READ com filtro
mysql> SELECT * FROM product_info_hybrid WHERE attributes->"$.size"="40";
+------------+-------------+-------+----------------+
| product_id | description | price | attributes |
+------------+-------------+-------+----------------+
| 10 | socks | 15 | {"size": "40"} |
+------------+-------------+-------+----------------+
1 row in set (0.00 sec)
24

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UPDATE
mysql> UPDATE product_info_hybrid SET attributes = '{"size": "42"}' WHERE
product_id=10;
Query OK, 1 row affected (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> SELECT * FROM product_info_hybrid;
+------------+-------------+-------+---------------------------------------------------+
| product_id | description | price | attributes |
+------------+-------------+-------+---------------------------------------------------+
| 9 | t-shirt | 20 | {"size": "M", "color": "red", "fabric": "cotton"} |
| 10 | socks | 15 | {"size": "42"} |
+------------+-------------+-------+---------------------------------------------------+
2 rows in set (0.00 sec)
25

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DELETE
mysql> DELETE FROM product_info_hybrid WHERE attributes->"$.size"="42";
Query OK, 1 row affected (0.01 sec)
mysql> SELECT * FROM product_info_hybrid;
+------------+-------------+-------+---------------------------------------------------+
| product_id | description | price | attributes |
+------------+-------------+-------+---------------------------------------------------+
| 9 | t-shirt | 20 | {"size": "M", "color": "red", "fabric": "cotton"} |
+------------+-------------+-------+---------------------------------------------------+
1 row in set (0.00 sec)
26

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Coluna
• Mais integridade no schema,
independente da aplicação
• Schema torna a aplicação mais fácil de
manter no longo prazo, pois há maior
controle nas mudanças
– Espera-se uma maior qualidade dos dados
– Permite aplicação de algumas validações
automáticas sobre os dados
JSON
• Mais liberdade para representar dados
(ex. Campos custom)
• Denormalização natural, registro auto-
contido (ex. facilita escalabilidade
horizontal via sharding)
• Protótipos rápidos, comece armazenar
dados imediatamente
• Menor preocupação na definição de
Tipos de Dados
• Menos dor-de-cabeça para aplicar
mudanças no modelo de dados
Oracle Confidential – Internal/Restricted/Highly Restricted 27
Coluna ou JSON? Você escolhe!

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – S1
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – S2
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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MySQL Connector
Application
MySQL Connector
Application
MySQL Shell
MySQL Connector
Application
MySQL Connector
Application
MySQL InnoDB Cluster – Architecture – S2
MySQL
InnoDB
cluster
MySQL Enterprise Monitor
…

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MySQL
InnoDB
cluster
MySQL InnoDB Cluster – Architecture – S2
M
M M
MySQL Connector
Application
MySQL Router
MySQL Connector
Application
MySQL Router
MySQL Shell
HA
Group Replication

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Master
Primário
MySQL Replication
Slave
Réplica

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Falhou!
MySQL Replication
Novo Master

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Sem perda de dados e failover facilitado com replicação Semi-síncrona
Topologias resilientes com Múltiplos Slaves
34
Master Slave 1 (local)
Primeira opção de failover
(sempre mais atualizado)
Slave 2 (remoto)
Segunda opção de failover

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Componentes para Roteamento de conexões
MySQL Connectors
• Funcionalidades
nativas de Failover
ou Load Balancing
MySQL Router(novo )
• Middleware leve
• Roteamento
baseado nas
conexões
• Failover para o
primeiro disponível
ou Load Balancing
MySQL Utilities
• mysqlfailover –
monitora a
replicação, promove
novo master e
redireciona slaves

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Arquitetura: replication + router + mysqlfailover
Router
App
VIP
mysqlfailover
Read-write
Read-only

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DC 1 - ativo
Arquitetura: replication + router + mysqlfailover
Router
App
VIP
mysqlfailover
Read-write
Read-only
DC 2 - standby
Router
App
VIP
mysqlfailover
semisync semisync
async

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MySQL Group Replication
Grupo
3+ primários atuando como 1
Primário Réplica

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High-Availability
1 membro falhou!
Grupo continua disponível

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High-Availability
2 membros falharam
Modo Somente Leitura

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MySQL Group Replication: O que é?
• Replicação multi-master para InnoDB
– permite escrita em qualquer nó do cluster
– recuperação automática (failover, switchover e
failback)
– Inspirado no protocolo PAXOS: consenso da
maioria
• Plug-in disponível no MySQL 5.7.17+ GA
– Suportado em todas plataformas MySQL
• Linux, Windows, Solaris, OSX, FreeBSD
41
M
M M
MySQL Connector
Application
MySQL Router
MySQL Connector
Application
MySQL Router
HA
Group Replication

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MySQL Group Replication: O que fornece?
• Uma camada de banco de dados distribuída, simples de usar e com
alta disponibilidade
– Topologias Ativo-Ativo, escreva em qualquer nó
• Detecção e resolução automática de conflitos
– Reconfiguração automática ao adicionar, remover nós, crashes e falhas
– Distribuído e tolerante a falhas
– Arquitetura shared-nothing , sem necessidade de storage compartilhado
– Compatível com InnoDB
– Modos de operação single-primary ou multi-primary
42

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Master-Slave Replication
Replication vs. Group Replication
Group Replication
Router RouterRouter
App AppApp
VIP
mysqlfailover
Read-write
Read-only

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MySQL Group Replication: Casos de Uso
• Replicação Elástica
– Ambientes que exigem uma infra-estrutura de replicação fluida, onde o número de
servidores tem de crescer ou encolher dinamicamente e com a menor esforço
possível.
• Alternativa a topologias Master-Slave
– Um único servidor Master pode ser um gargalo ou ponto único de falha.
– Escrever em um grupo de nós pode ser mais escalável em certas circunstâncias.
• Sharding com Alta Disponibilidade
– O MySQL Group Replication pode implementar shards altamente disponíveis em um
sistema com escalabilidade horizontal.
44

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – S3
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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S1 S2 S3 S4 S…
M
M M
MySQL Connector
Application
MySQL Router
MySQL Connector
Application
MySQL Router
MySQL Shell
HA
MySQL InnoDB Cluster – Architecture - S3 MySQL
InnoDB
cluster
Read-Only Slaves

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Read Scale-Out
Async Replication + Auto Failover
Write Scale-Out
Sharding
S1
S2
S3
S4
MySQL Vision – 4 Steps
Timeline
MySQL Document Store
Relational & Document Model
MySQL HA
Out-Of-Box HA

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S1 S2 S3 S4 S…
M
M M
MySQL Connector
Application
MySQL Router
MySQL Connector
Application
MySQL Router
MySQL Shell
HA
ReplicaSet(Shard1)
S1 S2 S3 S4 S…
M
M M
MySQL Connector
Application
MySQL Router
HA
ReplicaSet(Shard2)
S1 S2 S3
M
M M
H
ReplicaSet(Shard3)
MySQL Connector
Application
MySQL Router
MySQL InnoDB Cluster – Architecture - S4 MySQL
InnoDB
cluster
…

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• Community (GPL)
– Database (InnoDB, MyISAM, MEMORY, etc)
– Cluster (NDB)
• Comercial
– Standard
– Enterprise
– Cluster CGE
– OEM/ISV
• Oracle Cloud
– MySQL Cloud Service
Ofertas MySQL

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Enterprise Edition
Escalabilidade
Autenticação
Firewall
Auditoria
novo TDE
Criptografia
MySQL Enterprise Monitor
Oracle EM for MySQL
Plug-ins
Suporte
Hot
Backup
Monitor &
Workbench

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+
MySQL Enterprise Edition

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• Simples & Automatizado
• Integrado
• Oracle Premier Support
• Enterprise Backup, Monitor, Security
54
Novo! MySQL Cloud Service

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Treinamentos e Certificações
MySQL 5.6 Database
Administrator
MySQL 5.6 Developer
education.oracle.com/mysql

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Obrigado!
airton.lastori@oracle.com