Webinar Slides: MySQL HA/DR/Geo-Scale - High Noon #4: MS Azure Database MySQL

The MySQL Availability
Company
The MySQL Availability Company
MySQL HA/DR/Geo-Scale -- High Noon #4
Azure Database for MySQL vs. Continuent Tungsten Clusters
Building a Geo-Scale, Multi-Region and Highly Available MySQL Cloud Back-End
Matt Lang, Director of Customer Success
March 1, 2021
“Play Hard!”

Company
Matt Lang
Early Adopter of Linux, MySQL, and Cloud technologies.
Architected systems for startups, supporting explosive
growth in employees, customers, and sales, in automotive,
steel, medical, and tech industries.
• MySQL DBA
• Linux Systems Admin
• Site Reliability Engineer/Cloud Architect
• Author of replication for proprietary database (still in use after 10+
years)
• Weekend musician
“Play Hard!”

Company
Continuent
“The MySQL Availability Company”

Company
Where Does Continuent Fit In?
Continuent has witnessed the rise of Open Source
and Cloud Computing since 2004.
We have been at the forefront of the market need
for platform-agnostic, highly-available, globally-
scaling, clustered MySQL databases that are driving
businesses to the cloud today.
Continuent is not the biggest. Never.
We are the best at what we do. Always!
Geo-Scale
MySQL
DBaaS
Cloud
Computing
Open
Source
MySQL

Company
Goals for the High Noon Webinar Series
Explore and compare how to deploy Geo-Scale MySQL using various MySQL Solutions:
• Local rapid-failover, automated high availability
• Geographically distributed, low-latency data replication with a single consolidated view
• Fast local response times for read traffic
• Ability to deploy MySQL primaries in multiple regions
• No changes to application code
• Complex schema changes while keeping applications available
• Avoid provider lock-in
MySQL is understood in a broad context, including MySQL, MariaDB and Percona Server.
Also AWS RDS MySQL, AWS RDS Aurora, Azure MySQL, and Google Cloud SQL are applicable in some context.

Company
Company
High Noon Series - Tungsten Clustering vs. Others

Company
Tungsten
Clustering
AWS
Aurora
Google
Cloud SQL
MS Azure
SQL
DIY Galera
InnoDB
Cluster
Features
Continuous Operations 4.67 3.00 1.67 2.67 3.00 2.50 2.67
Scaling 4.40 4.00 2.80 3.60 3.40 3.80 3.80
Geographic Scaling 5.00 2.67 0.67 0.67 2.00 0.67 0.67
Performance 4.75 3.50 2.25 2.75 2.75 2.75 2.50
Transparency 5.00 3.33 3.67 2.67 3.67 2.67 2.67
Security 4.33 5.00 5.00 5.00 2.67 4.33 4.33
Management and
Monitoring
4.80 4.20 4.00 4.00 2.00 3.40 3.20
Real-time Data (Analytics,
Data Lake, Reporting)
5.00 1.00 1.00 1.00 2.00 3.00 3.00

Company
Tungsten
Clustering
AWS
Aurora
Google
Cloud SQL
MS Azure
SQL
DIY Galera
InnoDB
Cluster
Support 5.00 2.00 1.67 2.00 0.67 3.00 3.67
Intangibles
MySQL Support
All MySQL,
MariaDB and
Percona Servers
version
'MySQL
Compatible', 5.6
and 5.7 (most)
features only
MySQL
Community
Edition 5.6, 5.7,
8.0
MySQL
Community
Edition 5.6, 5.7,
8.0 (only 5.7 for
flexible server
preview)
All MySQL,
MariaDB and
Percona Servers
version
InnoDB-engine
only, MySQL,
MariaDB,
Percona Server
MySQL 5.7+ (but
most
improvements
in MySQL 8.0+),
InnoDB engine
only
Platform
On-premises,
VMs, all Cloud
environmnets
(hybrid- and
multi-cloud)
AWS only GCP only Azure only
Any
environment but
with complexity
of doing it by
yourself
Any single
platform, no
hybrid- or multi-
cloud
Any single
platform
Product Maturity
10+ years,
proven
3 years 4 years 3 years
Depends on
deployment
10+ years
4 years (April
2017 GA)
TCO
Progressively
lower for the
larger
deployments
Linear pricing,
very expensive
Enterprise 24/7
support
Linear pricing,
very expensive
Enterprise 24/7
support
Linear pricing,
very expensive
Enterprise 24/7
support
TCO not
predictable,
person-hours
and/or
consulting
hours, limited
support
TCO not
predictable,
person-hours
and/or
consulting
hours, limited
support
TCO not
predictable,
person-hours
and/or
consulting
hours, limited
support

Company
Tungsten
Clustering
AWS
Aurora
Google
Cloud SQL
MS Azure
SQL
DIY Galera
InnoDB
Cluster
MySQL Use Cases
HA
DR
Zero Downtime
Maintenance
Continuous Operations
Multi-Primary
Active/Passive Cluster
Active/Active Cluster
Geo-Scale Clusters

Company
Company
Azure Database for MySQL

Company
Azure Cloud for MySQL Characteristics
• Flexible Server (in preview)
• Managed Deployment of MySQL Databases
• Flexible Point and Click backups
• Retain up to 35 automated (daily) backups
• On demand backups
• Point in time backups
• Restore point in time backup to new instance
• Automatic failover (with a standby instance with synchronous replication)
• Up to 10 read replicas (with asynchronous replication)
• Encryption of in-flight and at rest traffic

Company
Replication within Azure Database for MySQL
• Standby instance (Flexible Server)
• Special instance, max of 1, to act as a failover candidate
• Cannot be used for reads or any transaction processing
• Synchronous Replication
• Priced the same as primary instance
• Read Replica
• Provision up to 10, can be used for reads, but not failover
• Requires binary logging on the primary
• Uses asynchronous replication
• Priced as a stand-alone MySQL instance
• Connect to Read Replica using its IP address
• Cross Region Read Replica (Single Server)

Company
Azure Database for MySQL Multi Site Requirements
• Not Supported with Flexible Server, must use “Single Server”
• Create Primary instance
• One the Azure Portal, select “Replication” under SETTINGS, the “Add Replica”
• When adding a replica, the instance will need to restart
• Database will be down – must be planned
• You cannot create a replica of a replica
• Promote a read replica (same process for local or regional):
• Stop replication to replica
• This delinks the replica from the source (about 2 minutes to complete)
• Point applications to the newly promoted replica
• The newly promoted replica is now a stand-alone instance

Company
Limitations Using Azure Database for MySQL
• Have to choose between failover or cross-region replication:
• “Single Server” has no failover (just simple server restart)
• “Flexible Server” has standby replicas but no cross-region replication
• “Flexible Server” is still in preview
• Write intensive workloads may perform poorly due to synchronous replication (Flexible server)
• Only a single failover candidate in a cluster, which cannot be used for reads (Flexible server)
• Limited Cross Region support – Simple replication from primary to secondary only (Single Server)
• No MySQL proxy included
• Cross region failover results in standalone primary – all other regions must be reprovisioned (Single
Server)
• Linear pricing – use 5x more instances, pay 5x more
• Applications must be read/write aware to use read replicas
• Database maintenance and schema changes will cause application outages.

Company
Company
How To Do Better MySQL HA/DR/Geo-Scale?

Company
Tungsten Clustering
• Continuous MySQL Operations
• Zero Downtime Maintenance
• Geo-distributed MySQL Clusters
• Multi-Cloud / Hybrid-Cloud MySQL
• Read/Write Splitting with Intelligent Proxy
• Full MySQL Support, No App Changes Manager
Replicator
Manager
Replicator
Manager
Replicator
monitoring
&
control
Dataservice
Replica Replica
Primary

Company
Tungsten Active-Passive Clustering
• Scale to multiple Cloud Regions or datacenters
• Platform-agnostic means you can span vendors
and create hybrid topologies using any
combination of cloud, VM and/or bare-metal
servers
• Active/Passive
• Control all clusters from any node
• Move the write primary from site to site with a
single command when in Active/Passive mode

Company
Tungsten Active-Active Clustering
• Scale to multiple Cloud Regions or
datacenters
• Platform-agnostic means you can span
vendors and create hybrid topologies using
any combination of cloud, VM and/or bare-
metal servers
• Active/Active
• Control all clusters from any node
• Move the write primary from site to site with
a single command when in Active/Passive
mode

Company
Zero Downtime Maintenance
Replica
Upgrade
Additiona
l Replicas
Switch
Primary
Upgrade
Shun replica
Upgrade MySQL
Return node to
cluster
Discard and re-
provision on failure
Repeat for
remaining replica(s)
Switch primary to
promote an
upgraded replica
Upgrade old
primary
Maintenance is
now done!

Company
Company
TUNGSTEN CLUSTERING VS AZURE DATABASE FOR
MYSQL

Company
Features & Benefits
Tungsten Clustering Microsoft Azure SQL
Continuous Operations 4.67 2.67
Zero Downtime Maintenance
Both database, operating system
and hardware changes & upgrades
Requires maintenance window and
downtime
High Availability Automatic failover of primary
60-120 seconds downtime with DNS
change (in preview)
DR with Active/Passive Cluster
Automated site level switch with one
failover command
No automation, stop master (2
minutes to complete), repoint apps
to replica
DR with Active/Active Cluster Only requires repointing the apps Active/Active not supported
DR Failback Single command, fast
Requires reprovision, time
consuming
Backup & Data Recovery
Flexible backups using existing
external tools
Managed, 35 day max retention

Company
Features & Benefits
Scalability/Read replicas 4.40 3.60
Scalability/Read replicas Supported Supported
Scalability/Physical location
Deploy anywhere, on-prem and in
the cloud (also hybrid- and multi-
cloud)
Azure only
Scalability/Instance size
Choose the instance size, minimal
requirements
Choose instance size, minimal
requirements
DB Node Auto-Scale
No auto-scale. Requires manual
steps
No auto-scale. Requires manual
steps
DB Cluster Scaling
Ideal for the SaaS apps (Pod
Architecture)
Add read replicas

Company
Features & Benefits
Geographic Scaling 5.00 0.67
Scalability/Read replicas
Across regions, availability zones,
and clouds
Just simple replication to another
region
Active/Active Geo-Clusters
Multi-site active/active supported
and widely deployed
Not supported
Active/Passive Geo-Clusters
Supported and widely deployed in
cross-regions and cross-clouds, also
on-premises
Just simple replication to another
region

Company
Features & Benefits
Performance 4.75 2.75
Smart-Scale
Tungsten Proxy with automatic
read/write split, no application
changes
Just basic gateway
Load Balancing
Highly configurable with automatic
read/write splitting
Requires app changes or 3rd party
proxy
Up to Date Read Replicas Using asynchronous replication Using asynchronous replication
Robust Database Performance
Tune your favorite database,
asynchronous replication adds
almost no performance penalty
Tune database using standard
MySQL concepts

Company
Features & Benefits
Transparency 5.00 2.67
No Application Changes
Works out of box without app
changes
Though a limited number of SQL
constructs not supported, no failover
awareness
All MySQL Versions
Native MySQL: Community, MySQL
Enterprise, MariaDB, Percona Server,
all versions
5.6, 5.7, 8.0 GA, or just 5.7 (flexible
service preview)
Compatibility With All Database Engines All MySQL engines InnoDB only

Company
Features & Benefits
Security 4.33 5.00
Security/Encryption at rest
Can leverage existing cloud or
filesystem encryption technologies
Supported
Security/Encryption in flight Supported for all traffic Supported
Compliance (PCI, HIPAA)
Can be used in security/privacy
standards
Can be used in security/privacy
standards

Company
Features & Benefits
Management and Monitoring 4.80 4.00
Deployment Easy to deploy Easy to deploy
Cluster Management
Easy management via web-based
GUI
UI, region specific - can only view a
single region at a time
Monitoring - GUI
Full GUI based cluster monitoring.
Performance monitoring with
Prometheus
Monitoring is very basic
Alerts / Notifications Integration with notifications systems
Alerting system in place, though
metrics are basic
OS/DB Patching Assistance with scripts, no downtime
Automatic, however will cause
interruption

Company
Features & Benefits
Real-time Data (Analytics, Data Lake,
Reporting)
5.00 1.00
Replication Into Analytics
Real-time to the data analytics
engines (AWS Redshift, Hadoop,
Vertica, many others)
Basic MySQL replication only,
manual setup
Filtering
Complex filtering at schema and
data level
Only basic MySQL replication
Cluster Aware
Replication stream not interrupted
by loss of a single cluster node
External tools need to be made
aware

Company
Support Services
24/7 Support 5.00 2.00
24/7 Support
24/7 support with high, near 100%
customer satisfaction
Basic support has no SLA, business-
critical Premier support extremely
expensive
Fast Support Response Time
The fastest in the industry, averaging
less than 3 minutes for Urgent
support requests
Unless paying very high Premier
support fee
Support Team Experience
Each member has 20+ years
experience on DBA and Site
Reliability
Unknown who will be providing
support, often lower-level call center
member with limited or no DBA
experience

Company
Intangibles
MySQL Version Support 5.00 1.00
MySQL Community
Fully supported, all versions up to
8.0
MySQL 5.6, 5.7, 8.0
MySQL Enterprise
8.0
Not supported
MariaDB
10.5
Not supported
Percona Server Fully supported Not supported

Company
Intangibles
Infrastructure and Platform 0.00 0.75
On-premises Deployment Fully supported Not supported
Cloud Deployment
All cloud environments (AWS,
Google Cloud, MS Azure) are
supported
Microsoft Azure only
Multi-Cloud Fully supported Not supported
Hybrid-Cloud Fully supported Not supported

Company
Intangibles
Product Maturity 5.00 2.00
Complete One solution for HA, DR & Geo-Scale Basic HA available in preview only
Integrated
Comes with Manager, Proxy &
Replicator
Comes with components but each
are lacking functionality, some
components in preview only
Fully Tested
Proven in business-critical customer
environments
Not mature

Company
Intangibles
Total Cost of Ownership (TCO) 4.33 3.33
Low Subscription Cost, High Value
Instance size does not matter, non-
linear pricing (additional clusters are
at increasingly lower cost), no cost
TrueUps
Instance size based pricing, Linear
pricing
24/7 Support Included
Enterprise-level support available at
a very high cost
Few DBA Resource Needed
Large number of clusters can be
managed with small number of DBAs
Although, the 'managed' DBaaS still
needs DBAs

Company
Use Cases Supported
MySQL HA Supported In preview
MySQL DR Supported Not Supported
MySQL Zero Downtime Maintenance Supported Not Supported
MySQL Continuous Operations Supported In preview
MySQL Multi-Primary Supported Not Supported
MySQL Active/Passive Clusters Supported Not Supported
MySQL Active/Active Clusters Supported Not Supported
MySQL Geo-Scale Clusters Supported Not Supported

Company
Company
About Continuent Solutions

Company
Continuent Products
• Tungsten Clustering
• Tungsten Replicator
• Tungsten Dashboard

Company
Tungsten Clustering
• Continuous MySQL Operations
• Zero Downtime Maintenance
• Geo-distributed MySQL Clusters
• Multi-Cloud / Hybrid-Cloud MySQL
• Read/Write Splitting with Intelligent Proxy
• Full MySQL Support, No App Changes

Company
Tungsten Key Benefits
Industry Best 24/7 MySQL Customer Service
• Highly Qualified 24/7 support. Our support team member have 20 or more years of MySQL DBA and
Site Reliability Experience
• 24/7 support comes with 1-hour SLA, with response times for urgent requests averaging less than 3
minutes
• MySQL uptime measured in months or years
Cost Savings
• Use the free open-source MySQL for your business-critical needs
• Optimize costs by selecting the most cost-effective cloud environment(s) at any given time
• Eliminate downtime risks and their associated costs, including during maintenance operations (zero-
downtime maintenance operations)
• Reduce DBA time spent on admin and recovery operations, lowering your costs while increasing
reliability.

Company
Tungsten Clustering Key Benefits
Continuous MySQL Operations
• MySQL High Availability and Disaster Recovery solution, which provides redundancy within and
across data centers
• Immediate failover for maximum availability and data protection of business-critical MySQL
applications
• Reduce MySQL recovery time from hours or days to mere seconds
• Dashboard provides graphical view and management of all globally distributed MySQL clusters
Zero Downtime MySQL
• Site-level and cross-site failover ensures application availability
• Upgrade hardware, software and data without taking applications offline
• MySQL compatibility means seamless migration of your data and applications

Company
Geo-Scale MySQL
• Load-balance MySQL read operations across multiple replicas, locally and globally
• Geo-distributed MySQL clusters bring data close to your application users for faster response times
• Easily add more MySQL clusters as needed for unlimited scaling, both locally or across the globe
Hybrid-Cloud and Multi-Cloud MySQL
• Deploy in the cloud, VM and bare metal environments
• Mix-and-match on-premises, private and public clouds (incl. Amazon AWS, Google Cloud and
Microsoft Azure)
• Easy, seamless migration from cloud to cloud to avoid vendor lock-in in any specific cloud provider
• Withstand node, data center, zone or region failures or outages

Company
Intelligent MySQL Proxy
• Provides intelligent traffic routing to a valid MySQL Primary, locally and globally
• Scale read queries via query inspection and other methods
• Application and active users do not disconnect during MySQL failover events
Most Advanced MySQL Replication
• Filter and transform your data in-flight
• No more ETL, get real-time data feeds into your analytics
• Replicate directly into popular analytic repositories: AWS RedShift, Hadoop (HDFS), Kafka and Vertica
• Unlimited real-time transactional data transfer to eliminate escalating replication cost of ETL-based
alternatives

Company
Full MySQL Support, No Application Changes
• Deploy and Configure MySQL clusters in minutes
• Not just a ‘MySQL-compatible” solution, but fully MySQL-compliant. Use any of your off-the-shelf
MySQL, MariaDB and Percona Server versions
• Support for all modern MySQL (5.x through 8.x) and MariaDB (5.x and 10.x) versions and features
• SSL support for all in-flight traffic
• Native MySQL support means easy and complete migration of your data and applications

Company
Tungsten Replicator
• High performant Real-Time replication
• Multiple Heterogeneous Targets
• AWS Aurora / RDS
• AWS Redshift
• HPE Vertica
• Hadoop
• Kafka
• and many more
• Fan-in / Fan-Out / Primary-Primary
• Flexible, Advanced Filtering
• Available as an AMI through Amazon Marketplace
(with free 14-day trial)

Company
Tungsten Dashboard

Company
Company
About Continuent Company

Company
Proven Continuent Team
• Our core team has been building data availability solutions since 2004
• We have an expert team of data replication, database connectivity and database cluster management
engineers
• We have a world-class support team
• Each member with 20 or more years of operational database experience
• Our team is available to respond effectively and immediately to our customers’ needs
• Average response time for an urgent support request less than 3 minutes

Company
Proven Solutions
Our tightly-integrated, complete and fully tested solutions reliably handle billions of transactions per day and
support businesses with billions of dollars in combined revenue:

Company
Why to Choose Continuent
Customer Satisfaction
during the most recent customer survey
Customer Renewal Rate
many multi-year subscription renewals
Average Response Time
in minutes for urgent customer support
cases
Average Customer
Life-Span
years using Continuent solutions

Company
Continuent Timeline
• The MySQL Availability Company
• Established in 2004
• Customers Industries include
• SaaS
• eCommerce
• Finance
• Telco
• Online Gaming
• Business-critical MySQL apps
• From Startup to Enterprise companies
2004 Continuent Established
2009 3rd Generation Continuent Tungsten, the first
fully MySQL-compliant clustering solution
2014 VMware Acquired Continuent to build
DBaaS for vCloud Air
2016 “New” Continuent breaks away from VMware
(after they abandoned vCloud Air)
2017 Major Tungsten release (v5) with hardened
security features
2018 Tungsten v6 ships with major multi-site
clustering changes
2020 Marketo is the first 10th anniversary Tungsten
customer (grown from 4 clusters to over 100
clusters)
202x The Future….is in the Cloud – Tungsten Cloud

Company
The MySQL Availability Company
THANK YOU FOR LISTENING
continuent.com
Matthew Lang
matthew.lang@continuent.com

Webinar Slides: MySQL HA/DR/Geo-Scale - High Noon #4: MS Azure Database MySQL

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Webinar Slides: MySQL HA/DR/Geo-Scale - High Noon #4: MS Azure Database MySQL