Case Study: Geo-Scale Multi-Master MySQL with Disaster Recovery

How to build a multi-region, multi-master MySQL cloud database back-end capable of serving a global high volume cloud contact center

This global SaaS provider is a Cloud Contact Center solution provider (the leading Salesforce telephony solution), who needed to deliver up-to-date data to clients as quickly as possible. Its cloud-based call center software frees users to make every conversation personal; it supports the creation of exceptional customer experiences that help serve better and sell more. Its technology is 100% cloud-based and device-agnostic for telephony infrastructure.

What is the Challenge?

Active/Active (multi-master) MySQL clustering is needed when there is significant update load on geographically distributed applications. These require fast response times both for updates and reads, and they also need to share data on a global scale.

  • Regional distribution of data
  • Deliver up-to-date data to clients as quickly as possible
  • Fast, site-local read response times
  • Zero downtime for planned maintenance
  • Automatic High Availability within a region

Our customer needed to deploy multi-master MySQL with the following design criteria:

  • Geographically distributed, low-latency data
  • Fast local response times for read & write traffic
  • Full ACID compliance - atomic operations, guaranteed consistency, isolation, and durability
  • Local automated, rapid failover for database high availability

What is the Solution?

This customer uses Tungsten Clustering within three (3) geographic locations – US, Europe and Asia. Each location is configured with two (2) 3-node Tungsten CMM (composite multi-master) clusters and each geographic region is independent of the other with select common shared data. In short … the solution architecture:

  • Geo-distributed Composite Multi-Master Tungsten clusters
    • Three pairs of active/active MySQL clusters in USA, EMEA and APAC
  • Three (3) nodes per cluster, six (6) nodes per region, 18 nodes for the whole geo-cluster
  • Running on Amazon AWS EC2 instances in VPC’s

What are the Benefits?

Geo-scale, Availability, Disaster Recovery

  • Low-latency, regionally geo-distributed data access providing fast response times for read traffic and local, rapid-failover and automated high availability
  • Maintain client connectivity for planned and unplanned maintenance activities
  • Simple administration, system visibility and stability also help create high return on investment
  • Rapid Replication across regions

About Tungsten Clustering

Tungsten Clustering allows enterprises running business-critical MySQL database applications to cost-effectively achieve continuous operations with commercial-grade high availability (HA), geographically redundant disaster recovery (DR) and global scaling. To find out more, visit our Tungsten Clustering product page.

About the Author

Jean-Jérôme Schmidt
VP of Marketing

Jean-Jérôme has been an avid open source (database) marketer for most of his career. Prior to joining Continuent, he was VP of Marketing at Severalnines, a leader in automation & management of open source databases, having come from MariaDB, where he headed up marketing as well. Previous roles include Director EMEA Marketing at Pentaho, Global Sales Ops Mgr at MySQL & Commercial Director at marketing agency Connection2. And all that from his home-base in Dublin.


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