2. PERFORMANCE REPORTING ANALYSIS › 2.8 Sysplex Analysis › 2.8.2 Usage Guidelines › 2.8.2.1 Tracking Sysplex XCF Services

2.8.2.1 Tracking Sysplex XCF Services

Fundamental to making decisions about member groups and
transport class assignment is the need to know what members
are signaling each other, what volume of signaling activity
is taking place, and what are the physical characteristics of
the signaling activity.

The performance of the systems in the sysplex is closely
related to the performance of the signaling service.
Throughput and response of participating sysplex system is
quite dependent on the signaling service.

The major items that need to be tracked in the signaling
environment are:

   o   What members are signaling other members

   o   The appropriateness of transport classes in terms of
       XCF groups assigned and message (buffer) lengths being
       processed

   o   Whether the number of signaling paths provided is
       appropriate for the amount of message traffic.

The sysplex configuration map and the XCF member profile
reports are designed to help in assessing these important
issues.  Use the configuration map to assess the first item
above, and then utilize the member profiles to examine more
closely the activity and performance experienced by the
individual XCF members.