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Oracle Application Servers


Creating a new Oracle monitor

Supported Versions: Applications Manager supports monitoring of Oracle Application Servers 10g.

Prerequisites: Applications Manager uses the Dynamic Monitoring Service (DMS) provided by Oracle Application Server to monitor the same. For this reason, the DMS Servlet has to be made accessible to the system where the Applications Manager is running. Refer Prerequisites section.

To create a Oracle Application server monitor, follow the steps given below:

  1. Click on New Monitor link.
  2. Select Oracle AS.
  3. Enter the IP Address or hostname of the host where Oracle Application Server runs.
  4. Enter the SubNetMask of the network.
  5. Enter the Port number for eg., 7200.
  6. If you are adding a new monitor from an Central Server, select a Probe Server.
  7. Choose the Monitor Group from the combo box with which, you want to associate Oracle Application Server Monitor (optional). You can choose multiple groups to associate your monitor.
  8. Click Add Monitor(s). This discovers Oracle Application Server from the network and starts monitoring them.

Monitored Parameters

Oracle Application servers are monitored based on the attributes listed below. The monitoring details of Oracle Application server are represented graphically that helps to understand the parameters with ease. You can also configure thresholds to the attributes monitored by the server based on these details.

  • Availability tab gives the Availability history for the past 24 hours or 30 days.
  • Performance tab gives the Health Status and events for the past 24 hours or 30 days.
  • List view enables you to perform bulk admin configurations.

Click on the individual monitors listed, to view the following information:

ParameterDescription
Monitor Information
PortThe port at which the Oracle Application server listens.
Last Polled atSpecifies the time when the monitoring of the server was started.
AvailabilityShows the current status of the server - available or not available.
Request Throughput
ThroughputNumber of requests processed per unit of time in the server.
Current Active ConnectionShows the current active connections
Average Connection Process TimeGives the average processing time of the connections
Current Active RequestShows the number of requests that are active currently
Server Response Time
Response TimeRefers to the time required for the server to respond while monitoring.
Data ThroughputRefers to how much data is transferred per unit time
Data ProcessedRefers to how much data is processed per request
ServletsTotal number of servlets
OPMN Process Memory Stats (Memory statistics of the OPMN processes like dcm-daemon, WebCache, WebCache Admin, HTTP_Server, home)
Used MemoryGives the total physical memory used by the process
StatusGives the availability status of the process
oc4j JVM Statistics
Active Thread GroupsShows the number of Active Thread groups in the JVM
Active ThreadsShows the number of Active Threads in the JVM
Heap UsageShows current heap memory usage of the process
JDBC ConnectionsGives the total number of JDBC Connections
TransactionsGives the total number of open, committed and aborted JDBC transactions
Web Applications
ServletsTotal number of servlets in the web application
ThroughputNumber of requests processed per unit of time in the web application
Process RequestTime taken to process the request
Active RequestCurrent number of active requests for the web application
Active SessionNumber of active sessions of the web application
Session timeTotal time for which the sessions have been active
JMS Attributes
Deque AvgAverage time to deque messages
Enque AvgAverage time to enque messages
Pending MessageTotal number of message waiting to be processed
Message DequeuedTotal number of messages dequeued
Message EnqueuedTotal number of messages enqueued
Message CountNumber of messages in the JMS Destination
EJB Statistics
EAR NameName of the Enterprise Application Resource
ProcessName of the oc4j process to which the EJB belongs to
TypeGives the type of the EJB
Create CountNumber of EJBs created
Active CountNumber of active EJBs
Passive CountNumber of passive EJBs
Pooled CountNumber of pooled EJBs
Response SummaryGives the count for the various HTTP responses

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It allows us to track crucial metrics such as response times, resource utilization, error rates, and transaction performance. The real-time monitoring alerts promptly notify us of any issues or anomalies, enabling us to take immediate action.

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Tech Support Manager, Lexmark

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