This topic applies only on the z/OS operating system.

Record Type 120 (78) - WebSphere Application Server performance statistics

WebSphere Application Server writes record type 120 to collect WebSphere Application Server performance statistics.

For more information about SMF record types, see z/OS MVS System Management Facilities (SMF).

All subtypes of the record type 120 have the following format:
  • Standard header section
  • Individual header extension for subtype x
  • Product section
  • Subtype-specific sections listed below.
Record type 120 has the following subtypes:
  • Subtype 1: Server activity record
    • Server activity section (one section per record):

      Contains information about each activity that occurred within one server.

    • Communication session section (zero, one, or multiple sections per record):

      Contains information about each communication session.

    • JVM heap section (zero, one, or multiple sections per record):

      Contains information about the heap in a server region.

  • Subtype 3: Server interval record
    • Server interval section (one section per record):

      Contains aggregated information about all activities that occurred within the specified server interval.

    • Server region section (zero, one, or multiple sections per record):

      Contains information about server regions in the specified interval.

  • Subtype 5: J2EE container activity record
    • J2EE container activity section (one section per record):

      Contains information about each activity that occurred within one J2EE container.

    • Bean section (multiple (0..n) sections per record):

      Contains information about all beans involved in this activity.

    • Bean method section (multiple (0..n) sections per bean section):

      Contains information about all methods of this bean involved in this activity.

  • Subtype 6: J2EE container interval record
    • J2EE container interval section (one section per record):

      Contains aggregated information about all activities that occurred within one J2EE container in the specified interval.

    • Bean section (multiple (0..n) sections per record, see subtype 5):

      Contains information about all beans involved in this activity in the specified interval.

    • Bean method section (multiple (0..n) sections per bean section, see subtype 5):

      Contains information about all methods of this class involved in this activity in the specified interval.

  • Subtype 7: WebContainer activity record (Version 2)
    • WebContainer activity section (one section per record):

      Contains information about each activity that occurred within one WebContainer.

    • HttpSessionManager activity section (one section per record):

      Contains information about all sessions involved in this activity.

    • WebApplication activity section (multiple (0..n) sections per record):

      Contains information about all WebApplications involved in this activity.

      • Servlet activity section (multiple (0..n) sections per WebApplication section):

        Contains information about all Servlets involved in this activity.

  • Subtype 8: WebContainer interval record (Version 2)
    • WebContainer interval section (one section per record):

      Contains information about each activity that occurred within one WebContainer in the specified interval.

    • HttpSessionManager interval section (one section per record):

      Contains information about all sessions involved in this activity in the specified interval.

    • WebApplication interval section (multiple (0..n) sections per record):
      Contains information about all WebApplications involved in this activity in the specified interval.
      • Servlet interval section (multiple (0..n) sections per WebApplication section):

        Contains information about all Servlets involved in this activity in the specified interval.




Subtopics
Triplets
SMF record splitting
Record environment and mapping
Related tasks
Collecting job-related information with the System Management Facility (SMF)
Reference topic    

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Last updated: Feb 19, 2011 5:25:36 AM CST
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