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What is the Shadow Processes of Application Server Control?

 


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Web site by using Oracle 11g Enterprise Manager to monitor and control the application server is known as the control of Oracle Application Server. Oracle Application Server Application Server Control is a fact that is installed with OracleAS Infrastructure and all servers in the home. The tool is a graphical user interface and different instances of Oracle Application Server for management. It used into manage a different location on Oracle 11g and enterprise data management products and network computing resources.

And a component of Oracle Enterprise Configuration metadata stored in the repository. This simplifies the administration of the Oracle instance, where a number of applications in Oracle Application Server cluster.

Oracle Application Server has many elements, and architecture, the application can have more than one example of these components. Monitoring, control and coordination of the interactions between these elements is too overwhelming for Oracle Application Server consists of three processes in the shade. Implement automation functionality Oracle 10g offers several new features, like a shadow process. These processes are part of the shadow of Oracle 10g automation. Using the mechanism of the shadow of the process, you can automate tasks with great ease. There is some performance impact, since all these processes in the shade, but generally avoided.

Process Manager, Oracle Notification Server, Distributed Configuration Management, Dynamic Control is the process of the shadow of Oracle. These processes are also used to shade the Oracle Metadata Repository. DCM component updates the configuration to match the values ​​in the field. OPMN uses the capabilities of the elements that must be initiated and monitored for identification purposes. DMS collects performance statistics for the bearings.

Process Oracle Server monitors the health information management architecture and various components of Oracle Application Server. OPMN monitors and manages all Oracle Application Server components, except for the database repository database listener and application server console. If a component fails, OPMN will automatically restart. OPMN information depends on the component is not available. For example, a Java application that comes with Oracle HTTP Server. If the OC4J process goes down, OPMN lets the mod_oc4j process know that is should prevent any additional requests from being routed to the failed process. In this way, OPMN simplifies management while making the entire set of Oracle Application Server components highly available.

During database services this kind of remote monitoring is very common and sometimes it is more useful to manage database sla . Oracle community is also best resource to get more knowledge of same.

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