4. EXCEPTIONS › 4.3 Detailed Exception Descriptions › 00201: Hourly TSO Capacity Limit Objective Exceeded

00201: Hourly TSO Capacity Limit Objective Exceeded

FILE              TSO System Activity File
SAS FILE NAME     DAYS.TSOTSO01
SOURCE LOCATION   sharedprefix.MICS.SOURCE(DYTSOEXC)

SEVERITY          Critical      (SEVERITY='C')
MANAGEMENT AREA   Performance   (MGMTAREA='PERFORMANCE')

PURPOSE      Identifies the hours when the installation
             defined capacity limit is exceeded.

RATIONALE    Poor performance results when the TSO capacity,
             measured in service units, exceeds the
             configuration limit.  This can be caused by
             growth in the number of TSO users.  In this
             case, a configuration upgrade or TSO restriction
             will be required to meet service objectives.  It
             is also possible that a looping user or a few
             users who are putting an exceptional load on the
             TSO system could cause this problem.

             If installation management's objective is to
             restrict TSO resource consumption to the defined
             capacity limit, the detection of this exception
             may indicate the need to revise the IPS in order
             to do one or more of the following:

               A) Lower the service objectives for TSO work.

               B) Limit the number of concurrent TSO users by
                  domain controls.

               C) Provide lower dispatching priorities for
                  TSO.

               D) Use time slice groups (MVS/SE only) to
                  control the total service provided to TSO
                  relative to other work categories.

DEFINITION   This exception is detected when the hourly
             service unit consumption exceeds the
             installation defined limits.

EXCEPTION    The SAS statements identifying the exception
STATEMENTS   situation and describing the condition are
             stored in the source member named in SOURCE
             LOCATION and are described below:




************************************************************;
*
**  00201
**  HOURLY TSO CAPACITY LIMIT OBJECTIVE EXCEEDED
*;
IF TSOSERVU > service-units
  THEN DO;
  EXCCODE='00201'; SEVERITY='C'; MGMTAREA='PERFORMANCE';
  EXCDESC1='HOURLY TSO CAPACITY LIMIT OBJECTIVE EXCEEDED';
  EXCDESC2='UPTIME(HH:MM:SS)= '
           || PUT(TSOUPTM,TIME.) ||
           ', AVG USERS=' || PUT(TSOAVUSR,3.) ||
           ', SUS=' || PUT(TSOSERVU,8.);
  LINK HIT;
END;

THRESHOLD     Modify the value used for service units,
MODIFICATION  according to the following conventions:


    service-units   The number of service units is specified.
                   A threshold of 12000000 service units
                   would appear as:

                      TSOSERVU > 12000000