MySQL :What's New #GIDS16

Copyright © 2016, Oracle and/or its affiliates. All rights reserved. |
What’s New in MySQL 5.7
Sanjay Manwani
MySQL India Director

Safe Harbor Statement
The following is intended to outline our general product direction. It is intended for
information purposes only, and may not be incorporated into any contract. It is not a
commitment to deliver any material, code, or functionality, and should not be relied upon
in making purchasing decisions. The development, release, and timing of any features or
functionality described for Oracle’s products remains at the sole discretion of Oracle.
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Agenda
•Why MySQL?
•Highlights of 5.7 Improvements and Additions
• New Server Strategy for Releases
• New MySQL Document Store
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Best Choice for Next Generation Web & Cloud Applications
World’s Most Popular Open
Source Database
Leading Open Source
Database for Web
Applications
#1 Open Source Database
in the Cloud
Integrated with Hadoop in
Big Data Platforms
Strong MySQL Momentum
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MySQL Powers The Web
Over 500 million Tweets/day. 143,200 Tweets/sec in Aug 2013
”Many petabytes” of data. 11.2 Million Row changes & 2.5 billion
rows read /sec handled in MySQL
6 billion hours of video watched each month
Globally-distributed database with 100 terabytes of user-related
data based on MySQL Cluster

Power of the MySQL Community
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Benefit Highlights of MySQL 5.7
• Faster
– Server – quicker queries, more IO, more connections
• InnoDB engine, Faster Connect/Disconnect, More Optimized Queries
• No need to use MyISAM – can have speed and consistency both now
– Replication – scales higher, faster slave processing
• Parallel replications (parallel replication) – order of magnitude faster(?)
– GIS searching – quickly search geographic data
• Native InnoDB Spatial indexes
– Compression
• Leverages new advanced Operating File System capabilities
• Improves performance, saves space
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Benefit Highlights of MySQL 5.7 (con’t)
Easier
• Easier Configurability – dynamic “online” changes
• More Flexible
– Native JSON support – datatype, binary storage format
– Virtual Columns/Functional indexes – index any data and find quickly
• Simpler to Manage
– More instruments, Easy access to data using SYS schema
• More Secure
– By default and more options to secure the server
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Copyright © 2016, Oracle and/or its affiliates. All rights reserved. | 9
MySQL 5.7 Sysbench Benchmark: SQL Point Selects / sec
1,600,000 QPS
3x Faster than MySQL 5.6
MySQL 5.7 Sysbench Benchmark: Mixed OLTP Read Only
6x Faster than MySQL 5.5 Near 1M QPS
82% Faster than MySQL 5.6
100K Connect / Sec
MySQL 5.7 Sysbench Benchmark: Connect / sec
82% Faster than MySQL 5.6 100K Connect / Sec
MySQL 5.7 Sysbench Benchmark: Connect / sec

MySQL 5.7: JSON Overview
• Native JSON data type
– Native internal binary format for efficient processing & storage
• Built-in JSON functions
– Allowing you to efficiently store, search, update, and manipulate Documents
• JSON Comparator
– Allows for easy integration of Document data within your SQL queries
• Indexing of Documents using Generated Columns
– InnoDB supports indexes on both stored and virtual Generated Columns
– New expression analyzer automatically uses the best “functional” index available
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• Optimizer and Parser refactoring
– Cleanly separate the parsing, optimizing, and
execution stages
• New hint framework
– Easier to manage
– With support for additional new hints
• Improved JSON EXPLAIN
• EXPLAIN for running thread
• Generated Columns
• New Cost based Optimizer
– Configurable and tunable
• mysql.server_cost and mysql.engine_cost tables
• API for determining where data resides: on disk or in
cache
• Support for InnoDB based internal temp
tables
• SQL Standard compliant
ONLY_FULL_GROUP_BY mode
is ON by default
• Many specific new optimizations
MySQL 5.7: Optimizer Improvements
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Queries execute faster, while using less CPU and disk space!

MySQL 5.7: Query Rewrite Plugin
• New pre and post parse query rewrite APIs
– Users can write their own plug-ins
• Provides a post-parse query plugin
– Rewrite problematic queries without the need to make application changes
– Add hints
– Modify join order
– Many more …
• Improve problematic queries from ORMs, third party apps, etc
• Eliminates many legacy use cases for proxies
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Memory Instrumentation
• Aggregates statistics by
– Type of memory used
(caches, internal buffers, …)
– Thread/account/user/host
indirectly performing the
memory operation
• Attributes include
– Memory used (bytes)
– Operation counts
– High/Low Water Marks
Statement Instrumentation
• Stored Procedures
• Stored Functions
• Prepared Statements
• Transactions
Additional Information
• Replication slave status
• MDL lock instrumentation
• Status and variables per
thread
• Server stage tracking
• Track long running SQL
• Improved configuration and
ease-of-use
• All while reducing total
footprint and overhead
MySQL 5.7: Performance Schema
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MySQL 5.7: SYS Schema
SYS views make it easier to
- Monitor server health, user, host statistics
- Spot, diagnose, and tune performance issues
• Provides insights into
- IO hot spots, Locking, Costly SQL statements
- Schema, table and index statistics
• SYS is similar to
- Oracle V$ catalog views
- Microsoft SQL DMVs (Dynamic Mgmnt Views)
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• Replaced custom code with Boost.Geometry
– For spatial calculations
– For spatial analysis
– Enabling full OGC compliance
– We’re also Boost.Geometry contributors!
• InnoDB R-tree based spatial indexes
– Full ACID, MVCC, & transactional support
– Index records contain minimum bounding box
• GeoHash
• GeoJSON
• Helper functions such as ST_Distance_Sphere() and ST_MakeEnvelope()
MySQL 5.7: GIS Improvements
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• Native Partitioning
– Eliminates previous limitations
– Eliminates resource usage problems
– Transportable tablespace support
• Native Full-Text Search
– Including full CJK support!
• Native Spatial Indexes
• Transparent page compression
• Support for 32K and 64K pages
– Use with transparent page compression for
very high compression ratios
• General TABLESPACE support
– Store multiple tables in user defined shared
tablespaces
• Support for MySQL Group Replication
– High priority transactions
• Improved support for cache preloading
– Load your hottest data loaded at startup
• Configurable fill-factor
– Allows for improvements in storage footprint
• Improved bulk-data load performance
• Resize the InnoDB Buffer Pool online
MySQL 5.7: InnoDB Improvements
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• InnoDB Tablespace Encryption
• MySQL KeyRing
• AES 256 Encryption now the default
• Password rotation policies
• Deployment: enable secure unattended
install by default
• Easier instance initialization and setup:
mysqld –initialize
• New detection and support for systemd
• SSL
– Enabled by default
– Auto-detection of existing keys and certs
– Auto generation of keys and certs when needed
– New helper utility: mysql_ssl_rsa_setup
– New --require_secure_transport option to
prevent insecure communications
– Added SSL support to binary log clients
• Extended Proxy User Support
– Added Built-in Authentication Plugins support
for Proxy Users
– Allows multiple users to share a single set of
managed privileges
MySQL 5.7: Security Improvements
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0%
50%
100%
150%
200%
250%
1 8 24 48
Slave Threads
Slave throughput vs. 96 Thread Master
• GTID enhancements
– On-line, phased deployment of GTIDs
– Binary logging on slave now optional
• Enhanced Semi-synchronous replication
– Write guaranteed to be received by slave
before being observed by clients of the master
– Option to wait on Acks from multiple slaves
• Multi-Source Replication
– Consolidate updates from multiple Masters
into one Slave
• Dynamic slave filters
• 8-10x Faster slave throughput
– Often removes slave as a bottleneck; keep pace
with master with 8+ slave threads
– Option to preserve Commit order
– Automatic slave transaction retries
MySQL 5.7: Replication Improvements
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New Release Model – Accelerating Innovation
• Introducing the concept of Rapid Plugins
• A much requested feature
• Users who want more of a balance between
– Don’t break it
– Give me innovation sooner!
• Goals
– Same Stability in the Core Server
– Adds Optional Server Plugins for New Functionality
• New plugins come with the server distribution – but you choose whether to turn ON or OFF
• First Example MySQL Documents Store X Plugin
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We <3 Schemaless
• MySQL as a Document Store (new!)
• All the existing features of MySQL
– Replication
– InnoDB
– Performance Schema
• With the addition of schemaless
– Documents using JSON
– Easy to program CRUD APIs
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MySQL – a One Stop Shop
• Expensive to manage many data stores
• Better few databases – more flexibility
– Developers and DBAs
• Can harness both NoSQL and SQL savvy
• Already know the MySQL product
– Less training – don’t need to learn many products
– Cross data store exchange – easier to move from from docs to tables etc.
– One connector/driver needed for apps
Combining Relational and Document Stores
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• One Extensible database
– Do more with the MySQL database
– Many can manage (with deep skills)
– Stable
– Cost-effective
– Easy to move data between like
database types
– Fewer Drivers
– Few Tools
– SQL works, CRUD works
– Operational and Analytical Together
• Many different databases
– Requires larger skill repertoire, more
complex development …
• Harder to find deep skills
– Many Drivers
– Many Tools
– More effort to share and exchange data
– It’s a lot more work
– Operational and Analytical Separate
One Database Many Models VS Many Databases Many Models
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MySQL Document Store
• Native JSON Datatype, Indexes on JSON Documents
• Native JSON Collections
• Interactive Shell “MySQL Shell” – Javascript, Python, SQL modes
• Connectors include NoSQL CRUD APIs
– Java, New NodeJS, NET, C++/C, PHP, Python
– Method Chaining and Pipelining
– Supports Combined Document and Relational
Store, Retrieve, Search and Manage JSON documents
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Architecture
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MySQL
Plugins
X Plugin Group Replication Plugin
Core
X ProtocolClassic Protocol
X Protocol
33060
Classic Protocol
3306
SQL API X Dev API
CRUD Based
X and Classic
Protocols
MySQL Shell
Javascript/Python

MySQL Document Store: What’s New?
• New Document APIs – X Dev APIs
– SQL and NoSQL/Document CRUD APIs will cross all Connectors
• For BOTH Collections of Documents and Relational Tables
– Initial DMR M1 includes Node.js, Java and .NET
• New Interactive Shell – MySQL Shell
– Javascript, Python, SQL modes
• New Server Features – MySQL Document Store
– Native JSON datatype and storage
– Generated Columns with Indexing
– Over 20+ Native JSON functions
– New X Protocol
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New! MySQL Server Plugin – X Plugin
• Designed to enable rapid innovation in APIs and Protocol
• Supports new X Protocol
– With new CRUD and other added interfaces
• Includes instruments for monitoring in Performance Schema
• Works concurrently with Standard SQL APIs
• Runs a new port - 33060
Exposes Document APIS to the Connectors
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MySQL Document Store
✔ Built on Proven MySQL/InnoDB/Replication
✔ Schema-less/Relational/Hybrid
✔ SQL/ACID/Transactions
✔ CRUD/JSON/Documents
✔ Modern Dev API
✔ Modern/Efficient Protocol
✔ SQL Queries/Analytics over JSON Documents

• Active/Active Update Anywhere
– Conflict detection and resolution (transaction
rollback)
– Optimistic State Machine Replication
• Automatic group membership management and
failure detection
– No need for server fail-over
– Elastic scale out/in
– No single point of failure
– Automatic reconfiguration
• Well integrated
– InnoDB
– GTID-based replication
– PERFORMANCE_SCHEMA
MySQL Group Replication
Application
MySQL Nodes Replication
Plugin
API
MySQL
Server
Group Comms
labs.mysql.com
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MySQL Enterprise Edition: Security Features
• NEW! MySQL Enterprise Firewall
– Block SQL Injection Attacks
– Intrusion Detection
• MySQL Enterprise TDE
– Data-at-Rest Encryption
• MySQL Enterprise Encryption
– Public/Private Key Cryptography
– Asymmetric Encryption
– Digital Signatures, Data Validation
• MySQL Enterprise Authentication
– External Authentication Modules
• Microsoft AD, Linux PAMs
•
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• MySQL Enterprise Audit
– User Activity Auditing, Regulatory Compliance
• MySQL Enterprise Monitor
– Changes in Database Configurations, Users
Permissions, Database Schema, Passwords
• MySQL Enterprise Backup
– Securing Backups, AES 256 encryption
More information available at : http://www.mysql.com/products/enterprise/

Customer comments on 5.7: Bookings.com
• Following MySQL 5.7 from DMR releases has been worthwhile
– We hit a few bumps as might be expected
– We received an excellent response to those issues we reported
• Some changes were reverted, others added
• The migration to production has been very smooth
– The few issues we’ve seen have been special cases and easy to work around
• MySQL 5.7 is the best MySQL release yet
– A lot of high quality work has gone into this release
• Recent announcement of optional new features in 5.7.12 looks very
interesting and will require ongoing evaluation
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MySQL :What's New #GIDS16

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