IV30489: MQ STATISTICS: GETCOUNT AND GETFAILCOUNT SHOW INCORRECT VALUES

Fix Pack 7.1.0.3 for WebSphere MQ V7.1
WebSphere MQ V7.0 Fix Pack 7.0.1.11

APAR status

• Closed as program error.

Error description

• When enabling the gathering of queue statistics in WebSphere MQ,
  it is noticed that when using amqsmon, the values for GetCount
  and GetFailCount are sometimes incorrect, and do not reflect
  the number of PutCount actions.
  
  For example, when doing a Put of 10 non-persistent messages,
  the Get values are off:
  PutCount: [10, 0]
  PutFailCount: 0
  PutBytes: [1234, 0]
  GetCount: [20, 0]
  GetBytes: [2468, 0]
  GetFailCount: 10
  .
  Notice the following relationships in the amqsmon output:
  GetFailCount = PutCount
  GetCount     = PutCount * 2
  GetBytes     = PutBytes * 2
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users using WebSphere MQ statistics feature
  
  Platforms affected:
  All Distributed (iSeries, all Unix and Windows)
  ****************************************************************
  PROBLEM SUMMARY:
  The problem occurred because of incorrectly capturing the
  statistics twice in some cases when using asynchronous consume
  feature.
  

Problem conclusion

• WebSphere MQ has been modified to correctly capture the
  statistics when asynchronous consume feature is used.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
                     v7.0
  Platform           Fix Pack 7.0.1.11
  --------           --------------------
  Windows            7.0.1.11
  AIX                7.0.1.11
  HP-UX (PA-RISC)    7.0.1.11
  HP-UX (Itanium)    7.0.1.11
  Solaris (SPARC)    7.0.1.11
  Solaris (x86-64)   7.0.1.11
  iSeries            7.0.1.11
  Linux (x86)        7.0.1.11
  Linux (x86-64)     7.0.1.11
  Linux (zSeries)    7.0.1.11
  Linux (Power)      7.0.1.11
  
                     v7.1
  Platform           Fix Pack 7.1.0.3
  --------           --------------------
  Windows            7.1.0.3
  AIX                7.1.0.3
  HP-UX (Itanium)    7.1.0.3
  Solaris (SPARC)    7.1.0.3
  Solaris (x86-64)   7.1.0.3
  iSeries            7.1.0.3
  Linux (x86)        7.1.0.3
  Linux (x86-64)     7.1.0.3
  Linux (zSeries)    7.1.0.3
  Linux (Power)      7.1.0.3
  
  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 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

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