Enhanced ScaleArc for SQL Server Announced
September 07, 2017
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ScaleArc's latest ScaleArc for SQL Server software enhances its query load balancing capabilities.

Now customers can direct and load balance database reads and writes within a transaction, dramatically improving performance for custom and packaged applications without changing a single line of code. Customers are already seeing a 2x to 8x improvement in application performance with this functionality.

ScaleArc’s database load balancing software deploys between application and database servers to direct traffic into the database on behalf of the application. The software provides app-transparent failover, zero downtime maintenance, and faster application performance. It also speeds adoption of cloud services for database workloads. Until now, applications have always been forced to direct transactions, which typically combine reads and writes, to the primary server to ensure data integrity. ScaleArc’s patented innovation distinguishes reads vs. writes within transactions, directs the writes to the primary, and load balances the reads across the available secondary servers – all while maintaining ACID compliance.

Distributing database loads within transactions is crucial for accelerating performance of applications built with SQL statements wrapped as transactions, leveraging declarative transaction management patterns. Apps buit with the popular development frameworks Hibernate or Spring and well-known commercial applications such as the eCommerce app Hybris all follow this pattern. Cloud-native development platforms such as Pivotal Cloud Foundry also use wrapped transactions. Without ScaleArc’s ability to distribute database load within transactions, these cloud and other business applications cannot benefit from the additional capacity enabled by adding readable secondaries to a database cluster.

“We continue to broaden the range of applications that can deliver faster performance and higher uptime paired with our software,” said Rajkumar Irudayaraj, VP of Products for ScaleArc. “Our innovation in app-transparent failover, intelligent load distribution, and cloud platform enhancements enables our customers to run their business applications with unparalleled uptime and performance.”

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