Program guide > (deprecated) Partitioning facility > Manage the partitioning facility environment
Deprecated feature: The partitioning facility (WPF) feature is deprecated. You can configure partitioning with WebSphere eXtreme Scale.
Performance monitoring is an activity in which you collect and analyze data about the performance of the applications and their environment. The product collects data on run-time and applications through the performance monitoring infrastructure (PMI). This infrastructure is compatible with and extends the JSR-077 specification.
In WebSphere eXtreme Scale, a PMI module for each partition active in the cluster is created. Also provided are features to query the most active partitions in a user specified period.
An example using the partitioning facility performance monitoring functionality is provided in the management section. This example sequence demonstrates the WPFKeyBasedPartitionSample.ear application shipped with WebSphere eXtreme Scale, and the source code is included.
- Partitioning facility PMI enablement
Before gathering partitioning facility (WPF) PMI data, enable the partitioning facility PMI. WPF PMI data is recorded in the system only when the partitioning facility PMI is enabled. WPF PMI can be enabled in several ways. Using the wpfadmin utility command, the administrative console, or the wsadmin tool can enable it. This support must be enabled before the cluster is started.
- Partitioning facility PMI path
There is one partitioning facility (WPF) PMI module for each partition. The partition PMI is grouped by the application name and the enterprise bean (EJB) name.
To query the PMI data for partition p1 in session EJB session1 of application app1, the PMI path is wpfModule,app1#session1,p1. Using this PMI path, users can directly query the PMI data for a specific partition using the wsadmin console or JMX MBean just like you would normally do in the application server.
- Partitioning facility PMI data aggregation
Since partitions are activated in different application servers, PMI data for all partitions are possibly spread in different application servers in a cluster. Most likely, the N most active partitions in the whole cluster are of the most interest. The partitioning facility (WPF) provides a PMI aggregation and sorting feature to satisfy this requirement.
- Partitioning facility PMI statistics subscription
Performance monitor interface (PMI) statistics of a particular partition or a server are available without a subscription to partitioning facility (WPF) PMI statistics. You can directly retrieve this data using wsadmin tool or the Java™ Management Extensions (JMX) MBean.
- The partitioning facility PMI statistics retrieval
If you are interested in the Performance Monitoring Infrastructure (PMI) statistics of a particular partition or a server, you can directly retrieve it using wsadmin tool or the Java Management Extensions (JMX) MBean.
- Partitioning facility PMI statistics parameters
As mentioned previously, a partitioning facility statistic has several parameters. You may have used them in the subscribeWPFPMI parameter.
Parent topic:Manage the partitioning facility environment
Partitioning facility PMI enablement
Manage the partitioning facility environment