With upgrade to JDK7 we can use this feature instead of Random.
Author: pmouawad Date: Sat Jul 4 13:39:31 2015 New Revision: 1689154 URL: http://svn.apache.org/r1689154 Log: Bug 58100 - Performance enhancements : Replace Random by ThreadLocalRandom Bugzilla Id: 58100 Modified: jmeter/trunk/src/core/org/apache/jmeter/services/FileServer.java jmeter/trunk/src/core/org/apache/jmeter/util/JMeterUtils.java jmeter/trunk/src/functions/org/apache/jmeter/functions/RegexFunction.java jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/modifier/AnchorModifier.java jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/sampler/WebServiceSampler.java jmeter/trunk/xdocs/changes.xml Author: pmouawad Date: Sat Jul 4 13:46:25 2015 New Revision: 1689157 URL: http://svn.apache.org/r1689157 Log: Bug 58100 - Performance enhancements : Replace Random by ThreadLocalRandom Bugzilla Id: 58100 Modified: jmeter/trunk/src/components/org/apache/jmeter/timers/GaussianRandomTimer.java jmeter/trunk/src/components/org/apache/jmeter/timers/RandomTimer.java jmeter/trunk/src/components/org/apache/jmeter/timers/UniformRandomTimer.java jmeter/trunk/xdocs/changes.xml