Oracle ActiveCache enables organizations to predictably scale applications running on Oracle WebLogic Server with simplified integration to Oracle Coherence. With Oracle Coherence, data is moved closer to applications for faster access and greater resource utilization. Share data and session state in memory across domains with high availability and reliability. Learn more about more about the benefits of Oracle ActiveCache in this free white paper.
An Oracle White Paper September 2009
Oracle WebLogic Suite ActiveCache and
Increasing ROI: A Technical Perspective Oracle White Paper- Oracle WebLogic Suite ActiveCache and Increasing ROI: A Technical Perspective
Executive Summary ........................................................................... 1
Introduction ....................................................................................... 2
Get More from Your Oracle WebLogic Investment............................. 3
Latency .......................................................................................... 3
Throughput .................................................................................... 3
Concurrency .................................................................................. 4
Unique Considerations for Java ......................................................... 8
Effect of HTTP Session Storage ...................................................... 10
Splitting the Application Server Tier in Two ..................................... 11
Scale Out ........................................................................................ 13
Real World Results .......................................................................... 14
Standard Application Server Clustering and Session Replication 15
Session Replication with ActiveCache ......................................... 16
ActiveCache Scale Out and Session Replication Combined ........ 16
Calculating the Business Value of Increased Efficiency ................... 17
Conclusion ...................................................................................... 18
ii Oracle White Paper- Oracle WebLogic Suite ActiveCache and Increasing ROI: A Technical Perspective
Executive Summary Over the last few years, most enterprises have come to realize the increasingly higher costs of acquiring, housing, powering, cooling, managing and maintaining large-scale and mission critical systems. In keeping pace with technical and business needs of our customers, Oracle has introduced Oracle WebLogic Suite, our most powerful, flexible and full-featured application server offering to date. In addition to Oracle WebLogic Server, Oracle WebLogic Suite includes several best-of-breed technologies that together increase reliability, availability, scalability, performance and resource efficiency of enterprise applications far beyond what was possible even a few years ago using classical three tier deployment architectures and stand-alone application servers.
Thousands of large enterprises have successfully employed Oracle WebLogic Server in their most demanding environments for many years and continue to be very satisfied. There are many Oracle WebLogic Server deployments, however, that could be optimized to use far fewer resources per supported user. By deploying Oracle Coherence and employing a set of Oracle WebLogic Server features collectively known as ActiveCache, Java EE applications can make much better use of modern, multi-core processors, high speed networking and large memory server. This increased efficiency in turn reduces the number of physical servers required to support a given number of users and therefore power, cooling, facilities, administrative and per-CPU software license costs as well. For customers with Oracle WebLogic Server clusters deployed, it is possible to employ ActiveCache without any applications changes, acquiring new hardware or even upgrading to a new release of Oracle WebLogic Server. In many cases, the cost savings are greater than the costs of continuing with current deployments even within the first 12 months of the upgrade to Oracle WebLogic Suite.
In one prime example, which is explored later in this document, the use of ActiveCache increased the supported workload of the application in question by 291% without the addition of any new hardware or substantial modification of the application code. The effect of this gain is a reduction of the approximate number of required physical servers from 30 to 10. For a typical North American datacenter, the costs for server hardware, datacenter facilities, power, cooling and administration would be reduced from approximately $150,000.00 to $50,000.00 in the first year. When software license costs are added based on... [download for more]
