IT24893: CPU UTILIZATION INCREASE UP TO 100% WHEN ISL PERFORMANCE VIEW IS ACCESSED IN WEBUI.

APAR status

• Closed as program error.

Error description

• IBM Spectrum Control CPU utilization increase up to 100% when
  ISL Performance view is accessed in WebUI.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * IBM Spectrum Control 5.2.x users who monitor switches with   *
  * Inter-Switch Connections and frequently view Inter-Switch    *
  * Connection performance graphs of large time intervals        *
  * (several months)                                             *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * IBM Spectrum Control CPU utilization increases up to 100%    *
  * when generating ISL Performance views in the Web GUI.        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Apply fix maintenance when available                         *
  ****************************************************************
  The SQL query which generates the data for Inter-Switch
  Connection
  performance view was CPU time intensive, especially when
  generating
  graph data for large time intervals.
  
  This APAR fixes tunes the SQL query to be more exact, swift and
  to use
  less CPU time.
  

Problem conclusion

• The fix for this APAR is targeted for the following release:
  
  IBM Spectrum Control 5.3.0  |  5.3.0-IBM-SC   (release target
  Aug 2018)
  
  http://www.ibm.com/support/docview.wss?&uid=swg21320822
  
  The target dates for future releases do not represent a formal
  commitment by IBM. The dates are subject to change without
  notice.
  

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:

Fix information

• Fixed component name

  TPC ADVANCED

• Fixed component ID

  5608TPCA0

Applicable component levels