Press Release

26 Jun 2013

WANdisco releases non-stop NameNode WAN Edition for 100% Global Uptime, performance and scalability

WANdisco Hadoop Solution Addresses Enterprises with Worldwide Cluster Deployments

WANdisco (LSE: WAND), a provider of high-availability software for global enterprises to meet the challenges of Big Data and distributed software development, today announced Non-Stop NameNode WAN Edition, bringing to the wide area network the same unique patented NameNode replication available over the LAN.

Non-Stop NameNode WAN Edition applies WANdisco’s patented replication technology to deliver 100% uptime by eliminating Hadoop’s most problematic single point of failure — the NameNode — to provide the first and only continuous availability solution for globally distributed Hadoop deployments. With Non-Stop NameNode WAN Edition, if a single NameNode server or an entire data center goes offline, Hadoop is still available.

"This new product is a major breakthrough for Hadoop Big Data," said David Richards, WANdisco CEO. "It is the only solution available that isn’t geographically limited. WANdisco is the first to come to market with a product capable of supporting Hadoop clusters that span multiple data centers thousands of miles apart."

With Non-Stop NameNode WAN Edition all NameNode servers in a Hadoop cluster deployed over a WAN actively support clients at each location and along with the data nodes, are continuously synchronized. The result is LAN-speed performance and access to the same data at every location with automatic NameNode and data node failover and recovery both within and across data centers, enabling 100% uptime with unparalleled scalability and performance.

“When it comes to running mission-critical Big Data applications on Hadoop, continuous and uninterrupted cluster availability is a key requirement,” said Jeff Kelly, Big Data Analyst, Wikibon. “This becomes significantly more difficult as large enterprises scale-out existing Hadoop deployments across worldwide data centers. WANdisco's Non-Stop NameNode WAN Edition is designed specifically to address this challenge, ensuring that geographically distributed Hadoop deployments remain available to mission-critical applications at all times, even if an entire data center goes down.”

Features of Non-Stop NameNode WAN Edition include:

  • 100% Hadoop Uptime over the WAN – WANdisco’s continuous synchronization and client support optimized for use over a WAN.
  • Automatic WAN Backup, and Failover – Eliminates the need for network attached storage devices, load balancers and utilities like distcp by turning each NameNode into a fully replicated mirror of others in the cluster for guaranteed backup and failover without interrupting real-time or MapReduce and other batch application access.
  • Complete WAN NameNode Sync – Non-Stop NameNode WAN Edition avoids data loss and split-brain scenarios caused by active/standby backup solutions by applying WANdisco’s patented active-active replication to all NameNodes for guaranteed data access and recovery.


Non-Stop NameNode WAN Edition is available now. Visit and click “Free Trial” for a 7-day evaluation.

About WANdisco

WANdisco is the world leader in Active Data Replication. Its patented WANdisco Fusion technology enables the replication of continuously changing data to the cloud and on-premises data centers with guaranteed consistency, no downtime and no business disruption. It also allows distributed development teams to collaborate as if they are all working in one location. WANdisco has an OEM with IBM as well as partnerships with Amazon Web Services, Cisco, Google Cloud, Hewlett Packard Enterprise, Microsoft Azure, and Oracle to resell its patented technology. WANdisco also works directly with Fortune 1000 companies around the world to ensure their data can give them the real insight they need.

For additional information, please visit

WANdisco plc
Alexandra Gee
VP Marketing & Communications