Configuring JRockit for WebLogic Server 8.1

The configuration options described elsewhere in this user guide can be set to optimize JRockit performance with a number of different applications and types of applications. This chapter defines the optimal settings for use with BEA WebLogic Server 8.1.Beta.

 

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Optimal JRockit Settings for WebLogic Server

To use the BEA JRockit JVM instead of the Sun JVM that comes bundled with WebLogic Server, you need to specify the following JRockit memory management options:

Table 7-1 JRockit Settings for BEA WebLogic Server

Option Setting	Description
-Xnativethreads	Enables the JRockit native thread system.
-Xgc:parallel	Enables parallel garbage collector.
-Xallocationtype:local	Enables local thread allocation.
-Xms=1536m -Xmx=1536m	Increases the minimum and maximum heap sizes to 1,536 MB.
-Xns=512m	Specifies the young generation (nursery) heap size as 512 MB.