PM27058: HIGH CPU LOOP IN MODULE XRCT ROUTINE RCTTXIDS GATHERING CICS DB2 PERFORMANCE DATA 10/12/08 PTF PECHANGE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• HIGH CPU gathering CICS DB2 performance data in
  routine RCTTXIDS in both common collector (KO2ACONB) paths.
  
  High CPU can be seen in KO2ACONB TCBs for mods
  KO2XRCTT KO2XRCTU KO2XRCTV KO2XRCTW KO2XRCT3
  as a result of a loop
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
  *                 users of component:                          *
  *                 -   OMEGAMON collector                       *
  *                 -   The component that transfers DB2         *
  *                     monitoring data collected by the         *
  *                     OMEGAMON collector to the TEMA           *
  *                 -   Classic Interface                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: 1. High CPU symptoms reported in        *
  *                      KO2ACONB Task related to CICS threads.  *
  *                      2. CICS Related situation or history    *
  *                      collection in TEP may result in  high   *
  *                      CPU in the OMEGAMON collector address   *
  *                      space.                                  *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply this PTF                               *
  *                                                              *
  ****************************************************************
  PROBLEM SUMMARY:
  Inter-routine linkage to routine XDDSLKUP is causing High CPU
  symptoms when processing large DB2ENTRY tables.
  
  PROBLEM CONCLUSION:
  Replace inter-routine linkage to routine XDDSLKUP.
  

Problem conclusion

• Replace inter-routine linkage to routine XDDSLKUP.
  
  KEYWORDS : HIGH CPU KO2ACONB CICS XDDSLKUP
  

Temporary fix

• *********
  * HIPER *
  *********
  

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  UK63351 PM30479 PM31414

Modules/Macros

• KO2APC9A KO2APC9S KO2APC92 KO2XDDSB KO2XRCTT
  KO2XRCTU KO2XRCTV KO2XRCTW KO2XRCT3
  

Fix information

• Fixed component name

  OM XE DB2PE/PM

• Fixed component ID

  5655OPE00

Applicable component levels

• R420 PSY UK63351

     UP10/12/22 P F012 ®

Fix is available

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