WAND.L Regulatory News (WAND)

27 February 2013

WANdisco plc

("WANdisco" or the "Company")

WANdisco Launches Flagship Big Data Product

WANdisco's 'Non-Stop NameNode' Solution to Meet Hadoop

Availability, Performance and Scalability Requirements for Enterprises

Sheffield, UK - 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 the launch of its flagship Big Data product, Non-Stop NameNode, the only 100 percent uptime solution for Hadoop.

Built on the company's Non-Stop patented technology, Non-Stop NameNode completely eliminates the single point of failure that risks data availability - the NameNode - which tracks the data's location within a Hadoop cluster and coordinates client access to it.

On February 8, WANdisco unveiled WANdisco Distro, the world's first production ready Apache Hadoop 2 Distribution platform for which all of the company's products for the high growth Big Data market will be based. Today's launch of the Non-Stop NameNode is suitable for deployment on this platform in addition to Cloudera's CDH.

Non-Stop NameNode enables multiple active NameNode servers to act as peers, maintaining continuous synchronization and simultaneously supporting client access to the Hadoop cluster. If one server fails, or is taken down for scheduled maintenance, others take over automatically without any downtime. When the server comes back up, it immediately resynchronizes itself with the others in the cluster and resumes normal operation. This completely eliminates the risk of downtime and data loss due to human error during failover and recovery.

Key features of the Non-Stop NameNode include:

·; Every server is a continuous hot backup of every other. This is leveraged to provide automated failover and recovery after server outages without administrator intervention.

·; Automated failover and recovery features can be used to eliminate downtime for scheduled maintenance.

·; Risk of data corruption due to "split-brain" is eliminated because all NameNode servers actively support clients and are always in sync.

·; Scalability as more servers are added to the cluster to support increased workload without sacrificing performance.

·; Unlike other solutions limited to a LAN or Metropolitan Area Network, WANdisco's Non-Stop NameNode delivers the same capabilities over a WAN regardless of distance, enabling global business continuity.

·; Provides full support for HBase and works with Hadoop 2, WANdisco Distro (WDD) and CDH 4.1.x.

Commenting on the launch, WANdisco Chairman and CEO, David Richards, said:

"The launch of Non-Stop NameNode, our flagship product for the Big Data market, represents an important milestone not only in the development of WANdisco's product suite but in our strategy to help enterprises eliminate critical productivity risks by deploying Hadoop in their production environments today. Offering unrivalled performance and scalability, our Non-Stop NameNode solution eliminates the key issues of data loss and corruption while also allowing for planned maintenance without downtime."

Jeff Kelly, Big Data Analyst at Wikibon, added:

"Hadoop was not originally developed to support real-time, mission critical applications, and thus its inherent single point of failure was not a major issue of concern. But as Hadoop gains mainstream adoption, traditional enterprises rightly are looking to Hadoop to support both batch analytics and mission critical apps. With WANdisco's unique Non-Stop NameNode approach, enterprises can feel confident that mission critical applications running on Hadoop, and specifically HBase, are not at risk of data loss due to a NameNode failure because, in fact, there is no single NameNode. This is a major step forward for Hadoop."

Mani Chhabra, CEO of Cloudwick Technologies, a provider of professional Big Data services and WANdisco systems integration partner, said:

"WANdisco is delivering Hadoop solutions for enterprises with mission critical applications. Non-Stop NameNode removes the single point of failure risk, which eliminates the challenge enterprises currently face with Hadoop. WANdisco is the first company delivering solutions capable of deploying global Hadoop clusters spanning multiple data centers. We¹re excited to be one of their first Big Data partners."

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Ends

About WANdisco plc

WANdisco (LSE: WAND) is a provider of enterprise-ready, non-stop software solutions that enable globally distributed organizations to meet today's data challenges of secure storage, scalability and availability. WANdisco's products are differentiated by the company's patented, active-active data replication technology, serving crucial high availability (HA) requirements, including Hadoop Big Data and Application Lifecycle Management (ALM). Fortune Global 1000 companies including AT&T, Motorola, Intel and Halliburton rely on WANdisco for performance, reliability, security and availability. For additional information, please visit www.wandisco.com.

Hadoop is a trademark of the Apache Software Foundation.All product and company names herein may be trademarks of their registered owners.