How to check performance of WebSphere Application Server?

Procedure

  1. Click Monitoring and Tuning > Performance Viewer > Current® Activity in the console navigation tree.
  2. Start monitoring the current activity of a server in either of two ways:
  3. From the navigation tree, select the server activity data that you want to view.

What is PMI in IBM?

Performance Monitoring Infrastructure (PMI) is a feature of the administrative console that allows you to dynamically monitor the performance of components in the production environment, including IBM® WebSphere® Adapter for Flat Files.

What is session affinity in WebSphere Application Server?

Session affinity uses cookies to track session information and, potentially, to maintain login credentials. With session affinity, the application server that handles the first client request generates session information and places it in a Set-Cookie header in the response.

What is connection pool in WebSphere Application Server?

When servants start the same JDBC data source or J2C connection factory configuration, WebSphere Application Server (base) implements a corresponding physical connection pool for every servant. Therefore the same connection pool exists, independently, in each servant.

What is performance tuning in WebSphere application server?

You can define initial and maximum heap sizes and thread pool settings. You can tune the Java™ virtual machine (JVM) for optimal performance by setting up the JVM parameters.

How do I use the Tivoli Performance viewer in WebSphere?

Procedure

  1. Use the performance advisors to examine various data while your application is running.
  2. Configure user and logging settings for Tivoli Performance Viewer.
  3. View summary reports on servlets, Enterprise JavaBeans (EJB) methods, connections pools and thread pools in WebSphere Application Server.

What is PMI in Java?

The Java PMI is a Java based API for manipulating managed objects similar to the C++ PMI API. Java applications can use the Java PMI to communicate with the MIS. JMI is used as an abbreviation for Java PMI throughout this book. While functionally similar to the C++ PMI API, Java PMI offers a subset of the PMI features.

What is Jsessionid in WebSphere?

Session ID – is actual session identifier, which allows container to find user session. Clone ID – is used by WebSphere Plugin installed with web server to forward request to the server that holds session data with respect to session affinity.

What is max pool size?

Max Pool Size: The maximum number. of connections allowed in the pool. The default value is 100. Min Pool Size: The minimum number. of connections allowed in the pool.

What is Tivoli performance viewer?

The Tivoli Performance Viewer (TPV) is a powerful application that allows you view various details of about the performance of your server.