Sun Microsystems, Inc.

Oracle America, Inc.

Kenneth Ebbs

Akm Nazrul Islam

Sreeram Duvur

Sridatta Viswanath

Abhijit Kumar

Mark Basler

Satish C Viswanatham

Michael C Hulton

Kenneth David Saks

W Byron Nevons, Jr

Laurence P Cable

Micheal C Hulton

A system and method for configuring servers in a cluster. The method may include storing one or more base configuration files associated with an application in a domain administration server, deploying the base configuration files onto one or more servers in a cluster of servers, making one or more instance-specific modifications to the base configuration files, and executing the application in accordance with the one or more modified base configuration files. In various embodiments, the base configuration files may be XML files, and the modifications may be xpath expressions. An alternate embodiment of the method may include storing one or more configuration files based on a common template and representing a platform-specific configuration of a server in a domain administration server, deploying the configuration files onto one or more servers in a cluster of servers, and configuring the servers in accordance with the configuration files.

System and method for model-based configuration of a server cluster

A system and method for a highly available timer service may include a timer database operable to store information on one or more timers. The system may further include a plurality of servers in a cluster, each server containing a failure detection service, a timer service and one or more applications. In one embodiment, each application may be operable to request and process one or more timer notifications from the timer service contained in the same server. Each failure detection service may also be operable to detect a failure of other servers in the cluster. In addition, each timer service may be operable to retrieve information on the one or more timers from the timer database, and to provide a timer notification to any application in the cluster in response to a notification from the failure notification service that a server has failed.

System and method for highly available timer service in a J2EE cluster

A system and method for application deployment in a server cluster from a central domain. The method may include assembling a set of source code and related resource files on an administration server coupled to an application repository. The method may also include compiling the set of source code and related resource files into an application and storing the application in the application repository. The application may then be deployed onto a first subset of servers in a cluster of servers and executed on the subset of servers. In one embodiment, the method may further include storing a different version of the application in the application repository and deploying the different version of the application onto a second subset of servers separate from the first subset of servers. The different version of the application may then be executed on the second subset of servers.

System and method for application deployment in a domain for a cluster

A system and method for selectively checkpointing application components. In one embodiment this method may include deploying a plurality of application components on a server, determining checkpoint information for each application component on the server, and selectively checkpointing each component during execution of each component according to the checkpoint information for each component. In one embodiment the checkpoint information may be provided by a checkpoint selection heuristic, which makes checkpoint selections based on a description of one or more methods of the application component. In one embodiment the checkpoint information may be provided by a deployment descriptor, which may have multiple overriding tiers to facilitate precise selection of methods, components and modules for checkpointing. In one embodiment the checkpoint and activation process may include callback routines which prepare an application component for checkpointing and activation.

Selective checkpointing mechanism for application components

Growing community of inventors

Los Altos, CA, United States of America

Kenneth Ebbs