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…we were able to accomplish CMS goals in just months.”

“Add in an ever-changing and volatile, policy-driven environment into an IT infrastructure challenge, and you know you need something powerful yet agile to meet changing requirements. With the MarkLogic database, we were able to accomplish CMS goals in just months. To date, the CMS has over 11 million subscribers.”

Henry Chao | CMS
Icon Customers Challenges


  • Data complexity (health and financial data) and data volume (records for millions of Americans)
  • Compressed timeline as set by Congress
  • Multiple data sources, such as insurance companies and healthcare providers
Icon Customers Solutions


  • Data Consolidation
  • Master Data Management (MDM)
  • Content Management and Delivery
  • Cloud Migration
Icon Customers Results


  • High Performance & Scalability
  • Security
  • ACID Transactions
  • High Availability & Disaster Recovery

Why MarkLogic?

MarkLogic ingests data as is and adapts to modifications as new data sources are added, and as policies or regulations change. With MarkLogic, CMS didn’t have to sacrifice any features expected from a traditional database, such as government-grade security, ACID transactions, and HA/DR. Additionally, CMS could also take advantage of a NoSQL document model that handles heterogeneous and unstructured data, and scales easily — which is essential, particularly during open enrollment.

Faster Time-to-Production and
Support of Heavy Site Traffic

CMS launched within 18 months. In under five months post-launch, MarkLogic supported 5,500+ transactions per second to help over eight million people sign up for health insurance.

Nearly Limitless Scalability and Record-Breaking Performance

MarkLogic has supported 160,000 concurrent users and delivered over 99.9% availability. Over 99.99% of queries have logged response times of less than 0.1 seconds, without any data loss or inconsistency.

Seamless Online Shopping
Experience for

CMS can now integrate data as is, so there was no need to recode data from multiple states, government agencies, and health plan providers. This made it easy to provide competitive healthcare options to site users.

Related Resources

CMS Renews MarkLogic Relationship In Move to the Cloud

MarkLogic provides CMS a flexible and cost-effective migration to AWS.

Healthcare Insurance for Millions of Americans

Learn about the solution and its millions of processed applications.

A Prescription for Data Integration

Get an easy-to-digest view of’s challenges, statistics, and keys to success.

How Dared Greatly and Won

Read how CMS overcame the biggest challenge of its 50-year history.

The Untold Story Of Rescuing

Learn why and how MarkLogic supports the critical system-of-record functions needed to enroll over 11 million people in affordable health insurance coverage.

More Stories About Our Amazing Customers

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