IBM Support

IV19937: High CPU in amqrrmfa after REFRESH CLUSTER command

Fixes are available

WebSphere MQ V7.0 Fix Pack 7.0.1.10
WebSphere MQ V7.0.1 for i5/OS Fix Pack 7.0.1.10

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APAR status

  • Closed as program error.

Error description

  • High CPU in amqrrmfa was seen after issuing the REFRESH CLUSTER
command.

Local fix

  • SYSROUTE of PM50471

Problem summary

  • ****************************************************************
USERS AFFECTED:
Users of WebSphere MQ 7.0.1.8.  This issue was introduced in
7.0.1.8 by APAR IV03073.

Platforms affected:
All Distributed (iSeries, all Unix and Windows)
****************************************************************
PROBLEM SUMMARY:
Unnecessary extra processing was taking place in the amqrrmfa
process. Further details are in the z/OS WebSphere MQ APAR
PM50471.

Problem conclusion

  • The product code was corrected to cause the unnecessary work not
to be done.

---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:

                   v7.0
Platform           Fix Pack 7.0.1.10
--------           --------------------
Windows            U200352
AIX                U853055
HP-UX (PA-RISC)    U853082
HP-UX (Itanium)    U853087
Solaris (SPARC)    U853083
Solaris (x86-64)   U853089
iSeries            7.0.1.10
Linux (x86)        U853084
Linux (x86-64)     U853088
Linux (zSeries)    U853085
Linux (Power)      U853086

                   v7.1
Platform           Fix Pack 7.1.0.2
--------           --------------------
Windows            U200351
AIX                U853019
HP-UX (Itanium)    U853052
Solaris (SPARC)    U853048
Solaris (x86-64)   U853054
iSeries            7.1.0.2
Linux (x86)        U853049
Linux (x86-64)     U853053
Linux (zSeries)    U853050
Linux (Power)      U853051

The latest available maintenance can be obtained from
'WebSphere MQ Recommended Fixes'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037

If the maintenance level is not yet available information on
its planned availability can be found in 'WebSphere MQ
Planned Maintenance Release Dates'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
---------------------------------------------------------------

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV19937
    • 

  • Reported component name
    WMQ AIX V7
    • 

  • Reported component ID
    5724H7221
    • 

  • Reported release
    701
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-04-20
    • 

  • Closed date
    2012-09-26
    • 

  • Last modified date
    2012-11-28
    • 





    

  • 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
    WMQ AIX V7
    • 

  • Fixed component ID
    5724H7221
    • 



Applicable component levels


    

  • R701  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            31 March 2023
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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