OAM 11gr2PS2 error OAMSSA-02038 Failed to put session on queue QSize:11, upperLimit:100000

when you are doing load test and at OAM Server you see high CPU and below error.

Host hostname 
Host IP Address host IP
User <anonymous> 
Thread ID WriteBehindThread:CacheStoreWrapper(oracle.security.am.engines.sme.mapimpl.db.DbOraSmeStore):DistributedCache 
ECID 390c7670d8c160f7:-1331fb74:14901d0b714:-8000-0000000000000003 

Message Failed to put session af40b0e1-9906-447c-87f6-af92e28cda9b|08Nq21UOp50iJyNpbNY2uIFlsuk= on queue QSize:11, upperLimit:100000, recoveryFactory:0.8, enabled:false, previousWorkValue:171314, perviousWorkValue:1414210014497, P:0.3, I:0.1, integrationWindow:150000. 

and

Failed to put session on queue QSize:11, upperLimit:100000 


Solution:

it is a bug. The fix is adding below setting under oam-config.xml file
 

<Setting Name="IntegrationPercent" 
@ Type="xsd:integer">0</Setting>