[z/OS]

Editing the SMFPRMxx parmlib member

Use this page to edit the SMFPRMxx parmlib member and enable SMF recording for WebSphere® Application Server for z/OS®.

Before you begin

Make a working copy of the sample PARMLIB member SMFPRMYL.

About this task

Follow these steps to edit the SMFPRMxx parmlib member and enable SMF recording for WebSphere Application Server:

Procedure

  1. Insert an ACTIVE statement to indicate SMF recording. See z/OS MVS™ Initialization and Tuning Guide for more information.
  2. Insert a SYS statement to indicate the types of SMF records you want the system to create. For example, use SYS(TYPE(120:120)) to select WebSphere Application Server type 120 records only. Keep the number of selected record types small to minimize the performance impact.
  3. You can specify the interval in which you want the Server and Container interval records created (if no interval was specified in administrative console for the server or container definition) using the INTVAL (mm) statement in the SMFPRMxx parmlib member . The default SMF recording interval is 30 minutes. See z/OS MVS Initialization and Tuning Reference for more information.
    The server and container interval records will use either:
    • The value specified in the server/container definition as specified in the administrative console
    • The interval specified in the SMF parmlib member (from the SMF product settings) if you specify a length of 0.

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