IT30514: Memory leak in amqrmppa process when SHARECNV is 0 or greater than 1

APAR status

• Closed as program error.

Error description

• Memory leak in amqrmppa process observed after upgrade to MQ
  9.1.3.0.
  
  amqrmppa process memory usage increases continuously, as long as
  there is normal connect/disconnect activity from the connected
  clients.  The issue is not seen when SHARECNV=1 is set on the
  channel definition.
  

Local fix

• Set SHARECNV=1 on SVRCONN channels.
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users of MQ 9.1.3.0 using client-server channels with SHARECNV=0
  or SHARECNV>1.
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  A memory leak accompanies client connect/disconnect activity.
  

Problem conclusion

• The MQ code has been fixed to avoid the memory leak.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.1 CD    9.1.4
  
  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

  MQ APPLIANCE M2

• Fixed component ID

  5737H4700

Applicable component levels