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OBIEE 11.1.1 - Edit Ulimit / Kernel Settings for Starting the BI / Presentation Services on IBM AIX on POWER Systems (64-Bit)

1. Post the installation of Oracle Business Intelligence on IBM AIX on POWER Systems (64-Bit), ensure all the ulimit parameters, especially the data segment size (-d) and maximum memory size (-m) are set to unlimited before the OPMN starts the processes.

2. In addition to ulimit settings, set the following environmental variables in opmn.xml file for running OracleBIServerComponent / OracleBIPresentationServicesComponent processes:

AIXTHREAD_SCOPE=S
AIXTHREAD_MNRATIO=1:1
AIXTHREAD_MUTEX_DEBUG=OFF
AIXTHREAD_RWLOCK_DEBUG=OFF
AIXTHREAD_COND_DEBUG=OFF
SPINLOOPTIME=1000
YIELDLOOPTIME=4 (matches number of processors)
MALLOCMULTIHEAP=considersize,heaps:4 (matches number of physical processors)
MALLOCTYPE=buckets
LDR_CNTRL=IGNOREUNLOAD@LOADPUBLIC@PREREAD_SHLIB@MAXDATA=0x200000000
DB2_SKIP_TRACE=1


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