JR55797: INSTRUMENTATION USES LARGE AMOUNTS OF MEMORY

bpm.8570.cf2016.06.delta.repository.1of2
bpm.8570.cf2016.06.delta.repository.2of2
8.5.5.0-WS-BPM-IFJR55797
8.5.6.2-WS-BPM-IFJR55797

APAR status

• Closed as program error.

Error description

• In high-load scenarios, instrumentation can use large amount of
  memory. In a memory-heap dump, the following class shows as
  taking a very large portion of memory, possibly up to 90%.
  
  com/lombardisoftware/instrumentation/core/ThreadInstrumentation
  
  Example call from Heap Analysis
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x131200bb0|           32 |   398,689,064 |      4.78%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x121e5b120|           32 |   378,186,376 |      4.53%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1cf2b9128|           32 |   369,079,288 |      4.42%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1d2129cd8|           32 |   368,710,776 |      4.42%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1cf4215b0|           32 |   346,504,712 |      4.15%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1d5507a30|           32 |   342,669,256 |      4.11%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1d7ddb570|           32 |   335,915,296 | h     4.03%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1d5e00048|           32 |   334,351,440 |      4.01%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  0x1cf412b08|           32 |   333,855,064 |      4.00%
  com.lombardisoftware.instrumentation.core.ThreadInstrumentation
  @
  
  To avoid this situation, you might try to disable the
  instrumentation. However, IBM Business Process Manager (BPM)
  instrumentation and the collection of IBM BPM runtime statistics
  cannot be disabled.
  

Local fix

Problem summary

• No additional information is available.
  

Problem conclusion

• A fix is available for IBM BPM V8.5.7.0 that allows you to
  disable IBM BPM instrumentation and the collection of IBM BPM
  runtime statistics. IBM BPM instrumentation as well as the
  collection of IBM BPM runtime statistics are enabled or disabled
  separately for IBM Process Server, IBM Process Center, and the
  Performance Data Warehouse server.
  
  To disable IBM BPM instrumentation for Process Server or Process
  Center, add the following setting to the 100Custom.xml file in
  the process-server or process-center configuration directory.
  For the Performance Data Warehouse server, do the same in the
  performance-data-warehouse configuration directory:
  
   <server>
     <enable-instrumentation merge="replace">false
     </enable-instrumentation>
   </server>
  
  When no such setting exists or is set to true, the IBM BPM
  instrumentation is enabled for the appropriate server.
  
  To disable collection of IBM BPM runtime statistics for Process
  Server or Process Center, add the following setting to the
  100Custom.xml file in the process-server or process-center
  configuration directory. For the Performance Data Warehouse
  server, do the same in the performance-data-warehouse
  configuration directory:
  
   <server>
     <collect-runtime-stats merge="replace">false
     </collect-runtime-stats>
   </server>
  
  When no such setting exists or is set to true, the collection of
  the IBM BPM runtime statistics is enabled for the appropriate
  server.
  
  On Fix Central (http://www.ibm.com/support/fixcentral), search
  for JR55797:
  
  1. Select IBM Business Process Manager with your edition from
    the product selector, the installed version to the fix pack
    level, and your platform, and then click Continue.
  
  2. Select APAR or SPR, enter JR55797, and click Continue.
  
  When you download fix packages, ensure that you also download
  the readme file for each fix. Review each readme file for
  additional installation instructions and information about the
  fix.
  

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

  BPM STANDARD

• Fixed component ID

  5725C9500

Applicable component levels