Oracle Coherence

Oracle Coherence 3.6

Oracle Coherence 3.6 is a component of the Oracle Fusion Middleware 11g platform and, along with Oracle WebLogic Server, represents the major component of the unrolled distributed networks of applications and private environments of cloud computing. The new version includes new Coherence Quorum technology which provides the optimized performance control and resource management in environments of distributed networks and cloud computing.

At the same time, thanks to the implemented support of Coherence Query Language (CohQL) and SQL-like language of requests Oracle Coherence 3.6 helps to increase efficiency of application development, claim in the company. Developers can apply highly effective syntax of requests to management and use of Oracle Coherence. At the same time Oracle Coherence 3.6 Transaction Framework provides support of distributed transactions, providing reliability of data in the distributed applications.

"New features of Oracle Coherence 3.6 will help to solve the problems of scaling rather typical for big, difficult and crucial applications, - Victoria Livschitz, the president and the CEO of Grid Dynamics company noted. - We are sure that the new version of Coherence will help customers to cope with these tasks quicker, easier and with smaller costs. The functionality implemented in Coherence 3.6, such as support of distributed transactions carries on tradition of Coherence on providing quick and reliable access to the vital data of the enterprise and support of scaling of applications on economic hardware platforms".

Oracle Coherence 3.6 Session Provider for the Microsoft. net Framework supports session management for applications based on Microsoft .NET, helping to optimize performance of the web applications working at .Net basis. The new version of Oracle Coherence also supports the Secure Sockets Layer (SSL) protocol, guaranteeing confidentiality of data in distributed environment.

Oracle Coherence 3.7

Distinguishes nearly 500 new features from the previous version of Coherence 3.7, including support of solid-state disks and optimization of the mechanism of garbage collection that improved reaction of a system. Coherence works with the data placed in RAM and therefore earlier the size of buffers for data was limited to the amount of memory of servers. Support of solid state drives allows to lift practically all limits for the buffer size. Besides, it is not obligatory to set volume in advance.

The new architecture of Coherence reduces the delays connected with start of the mechanism of garbage collection of the Java virtual machine (Coherence is written in the Java language and supports the standard of caching JCache). The quantity of the objects created by programs of Coherence is reduced almost by 80%, and it is required to the mechanism of garbage collection much less time for work. By Oracle Coherence it was integrated with the GlassFish application server and supports a system of balancing of loading Big IP.

Thanks to integration with F5 BIG-IP Local Traffic Manager and SSL Acceleration technologies, Oracle Coherence 3.7 gives to users the chance to apply components of the existing infrastructure to security, optimization and load balancing of the traffic of applications generated by clients of Coherence Extend on any number of servers in a cluster and also to hardware acceleration of the SSL enciphering exacting to processor resources.

In Oracle Coherence 3.7 the built-in integration into Oracle GlassFish Server through Coherence Web SPI for GlassFish which provides installation and configuring of Coherence Web without the need for making changes in the source code that considerably simplifies to users of Oracle GlassFish Server scaling of applications is implemented.

Oracle Coherence 3.7 is a component of the Oracle Fusion Middleware 11g complex and is closely integrated with other products of a portfolio of a middleware of Oracle. The new version of Oracle Coherence 3.7 also is a part of the hardware-software solution Oracle Exalogic Elastic Cloud.

Oracle Coherence 3.7.1

This version provides big flexibility when choosing a programming language for data access in distributed environment, reduces waiting time and increases capacity of network communications at deployment on the Oracle Exalogic Elastic Cloud platform and also considerably increases performance for effective and convenient data management, placed both in RAM, and on disk storage modules.

Oracle Coherence 3.7.1 includes the new REST API interface, allowing the organizations to use effectively popular languages, such as PHP and Python, for access and data management, stored in distributed environment of Oracle Coherence and also for report generation. Support of REST supplements the support of Java, .NET and C which is already implemented in Oracle Coherence ++, providing to users freedom of choice by application development.

Oracle Coherence 3.7.1 uses advantages of the hardware and software system Oracle Exalogic Elastic Cloud, sharply increasing scalability and accelerating data access in distributed environments. In combination with Oracle Exalogic, Oracle Coherence 3.7.1 provides applications of a binding layer with the system of new generation for data management and a status, different high scalability and midget waiting time.

The Oracle Exalogic Elastic Cloud complex integrates unique hardware, software solutions, drivers of devices and management tools and uses Oracle QDR InfiniBand technology. All this gives the exclusive performance, reliability and scalability of a complex.

"Within ten years of Oracle Coherence is a market leader, helping the organizations to scale applications for satisfaction of needs for calculations on the scale of the Internet. The new version of Coherence 3.7.1 provides simplification of integration and acceleration of an output to the market of scalable solutions, thanks to such innovations as Query Explain Plan and support of REST, – Cameron Purdy, the vice president of Oracle corporation for development noted. – During the work on the Oracle Exalogic Coherence 3.7.1 platform effectively uses advantages of Oracle Exalogic Elastic Cloud to ensuring the minimum waiting and the highest capacity".

The advanced Elastic Data function provides more effective storage in RAM and on disks and also increases access rate to data thanks to what the organizations can increase flexibility, the capacity and efficiency of the existing infrastructure.

• The Elastic Data function allows the organizations to use for data storage both RAM, and disk memory devices, providing access rate to data, close to high-speed performance of memory (irrespective of the data medium).
• In Oracle Coherence 3.7.1 journalizing algorithms as Elastic Data are considerably optimized that allows to increase significantly performance, to reduce the need for an extra space of storage for server transactions and to receive highly effective algorithms for data migration from RAM on a disk.
• Oracle Coherence 3.7.1 allows to analyze efficiency of accomplishment of requests to data in Oracle Coherence on the basis of "the explanatory plan" for each element of a request with the description of calculations of its efficiency.
• The Query Explain Plan function helps to fix problems and to manage requests for the big, distributed data arrays, reduces costs for implementation, reduces complexity and simplifies configuring of the scalable distributed data arrays.

Oracle Coherence 3.7.1 is a component of the Oracle Fusion Middleware 11g family and is closely integrated with other products of Oracle of a binding layer and the hardware and software system Oracle Exalogic Elastic Cloud.

2013: Oracle Coherence 12.1.2

The new version of Oracle Coherence 12.1.2 - technology of data processing in RAM (in-memory data grid), is announced by Oracle corporation on August 5, 2013, it expands applications for support of requirements of mobile and cloud environments.

The solution Oracle Coherence is optimized for work on Oracle Exalogic Elastic Cloud.

New in technology

• Applications get automatic access in real time to changes of the database through Oracle Coherence GoldenGate HotCache, management of lifecycle of a cluster thanks to Oracle WebLogic Management Framework with Managed Coherence Servers improves.

• The new version automatically adapts to peak loads using the dynamic organization of "a thread pool of connection to a proxy" (dynamic proxy thread pooling), optimizes balance between performance and coordination (consistency) of data with the help of flexible options of high availability and provides solutions for DPC with several sources (multi-data center) thanks to the improved security opportunities at the level of the platform of deployment (site-safe) and a hardware rack (rack-safe).