PH16045: HIGH CPU, LOOP IN CQMMINDX, CQMMEXXX

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• High CPU, loop in CQMMINDX range x'ABC'-x'B68', loop in
  CQMMEXXX range X'4BBE'- X'4C12'.  Thread hung in CQM current
  activity.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: IBM Db2 Query Monitor z/OS                   *
  *                 users of component                           *
  *                 - CQM ISPF                                   *
  *                 - Discovery                                  *
  *                 - CQM Data Collector                         *
  *                 - Intervals                                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: High CPU, loop in CQMMINDX, CQMMEXXX.   *
  ****************************************************************
  * RECOMMENDATION: APPLY the PTF.                               *
  ****************************************************************
  The loop in CQMMINDX, CQMMEXXX routines caused Db2 threads
  hanging in Current Activity screen and also high CPU usage of
  Query Monitor.
  

Problem conclusion

• Logic is changed to stop looping.
  
  Search Keywords:
  HIGH CPU LOOP CQMMINDX CQMMEXXX CURRENT ACTIVITY
  

Temporary fix

Comments

APAR Information

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

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

  UI65831

Modules/Macros

• CQM#ARCX CQM#IVSM CQM#SSMN CQM#UINX CQM$XQVE CQMMEXXX CQMMINDX
  

Fix information

• Fixed component name

  DB2 QUERY MONIT

• Fixed component ID

  5655E6701

Applicable component levels

• R330 PSY UI65831

     UP19/10/15 P F910

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.