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Monitoring Oracle WebLogic Application Servers |
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The application server middleware that hosts and supports the business logic components is often the most complex component of a multi-tier infrastructure. To scale to support thousands of simultaneous requests, an application server provides a host of complex functions and features including database connection pooling, thread pooling, database result caching, session management, access control and security, bean caching and management, etc. To ensure that the application server is functioning effectively at all times, all of these functions have to be monitored and tracked proactively and continuously. Oracle's WebLogic application server is a widely used, scalable middleware platform on which many mission-critical web sites have been built.
eG Enterprise offers comprehensive monitoring for a WebLogic server farm. Since it is based on the Java 2 Platform, Enterprise Edition (J2EE) technologies, to monitor each of the servers in the farm, it is critical to monitor the underlying Java Virtual Machine (JVM) on which the WebLogic servers run. The eG Java Monitor, an integral part of eG Enterprise, uses Java Management Extensions (JMX) interfaces supported by modern JVMs to provide in-depth views into the performance of the JVM and the threads running in it. For monitoring the WebLogic-specific components such as clustering, thread pools, connection pools, etc., eG Enterprise includes the eG WebLogic Monitor.
The eG WebLogic Monitor
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| eG Enterprise's WebLogic application server model |
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The eG WebLogic Monitor offers comprehensive monitoring for a BEA WebLogic application server infrastructure. Over a hundred critical metrics relating to a WebLogic server instance can be monitored in real-time. Alerts can be generated based on user-defined thresholds or auto-computed baselines - so administrators can be alerted about conditions such as the JVM heap has been undersized, a servlet is taking too long to respond, or a database connection pool is reaching saturation. Using these metrics, administrators can track the functioning of the WebLogic server's key components and functions including database connection pools, thread pools, session management, bean container, cluster manager, etc. eG Enterprise's customized layer model for WebLogic allows correlation of the WebLogic application server performance with other network and operating system metrics.
In conjunction with eG Enterprise's web server and database server monitors and its built-in single click root-cause diagnosis capability, the eG WebLogic performance monitor allows administrators to see at a glance the performance across every tier of the infrastructure. Time-correlated reports showing performance of each of the tiers facilitates correlation across the tiers, so administrators can quickly identify which of the infrastructure tiers in the multi-tier infrastructure is a bottleneck.
WebLogic Support Options
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| WebLogic monitoring end-to-end: The topology of a business service that uses WebLogic as the middeware tier |
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Support for WebLogic Version 5.1 to 11 is available as part of the eG Enterprise suite with SNMP and the Java Management Extensions (JMX), being used as mechanisms through which the eG agent interfaces with a WebLogic server instance. Both agent-based and agentless monitoring are supported. Administrators can decide the monitoring mode works best for their infrastructure. A single eG agent is capable of monitoring all of the WebLogic application server instances executed on a system.
The eG Reporter includes pre-canned reports highlighting the availability, performance, and usage of a WebLogic server instance.
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