IC88256: NEW FUNCTION TO ALLOW WEBSPHERE MQ FILE TRANSFER EDITION INTERNAL AGENT MESSAGES TO HAVE A TUNEABLE PRIORITY

WebSphere MQ File Transfer Edition V7.0 Fix Pack 7.0.4.3
WebSphere MQ V7.5 Fix Pack 7.5.0.2
WebSphere MQ v7.5.0.2 Hypervisor for RHEL

APAR status

• Closed as program error.

Error description

• This new function for WebSphere MQ File Transfer Edition
  v7.0.4.3 introduces the ability to specify the priority of
  messages used internally by the agent during a transfer.
  
  Without this feature all messages created by commands or the
  agent will have the same priority. In situations where a very
  large number of new transfer requests are on an agent's command
  queue, internal conversation messages can experience significant
  delay before being processed. This delay can cause transfers to
  enter recovery thereby incurring further processing and delay on
  both the source and destination agents for those transfers.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All users of WebSphere MQ File Transfer Edition 7.0.4
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM SUMMARY:
  During normal processing the WebSphere MQ File Transfer
  Edition Agent process messages from its command queue for
  several purposes. It uses this queue both to communicate with
  other agents for the processing and recovery of transfers, and
  to accept input from users, to create a new transfer or ping the
  agent for example.
  
  A very busy agent may appear to become unresponsive, as it
  will not be able to respond to an agent ping or new transfer
  request in a timely manner. Although the agent will eventually
  respond, it may appear to the user that it has hung.
  

Problem conclusion

• The commandMessagePriority property has been introduced to set
  the priority of both internal messages and command messages
  for thefteStopAgent, fteCancelTransfer, ftePingAgent, and
  fteSetAgentTraceLevel commands. You can also use the
  commandMessagePriority property to set the priority of
  internal acknowledgement and acknowledgement-expected
  messages. You can set commandMessagePriority to a value to
  prioritize internal WebSphere MQ File Transfer Edition
  messages above new transfer requests, which can improve agent
  performance.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Platform           v7.0
  --------           --------------------
  Multiplatforms     7.0.4.3
  
  Platform           v7.5
  --------           --------------------
  Multiplatforms     7.5.0.2
  
  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 FILE TRANSF

• Fixed component ID

  5724R1000

Applicable component levels

• R704 PSY

     UP