BeanPopulator overhead needs looking into ----------------------------------------- Key: JBTM-1340 URL: https://issues.jboss.org/browse/JBTM-1340 Project: JBoss Transaction Manager Issue Type: Enhancement Security Level: Public(Everyone can see) Components: Common Affects Versions: 4.17.2 Environment: Mac OS 10.7 Reporter: Mark Little Assignee: Tom Jenkinson Fix For: 5.0.0.M4 During profiling, BeanPopulator can represent a 7% overhead. It may not seem like a lot, but for something as relatively simple as what BeanPopulator should be doing, it seems to be quite a bit. 6.9% - 4,477 ms - 10,000 inv. com.arjuna.ats.arjuna.coordinator.TxStats.enabled 6.9% - 4,477 ms - 10,000 inv. com.arjuna.ats.arjuna.common.arjPropertyManager.getCoordinatorEnvironmentBean 6.9% - 4,476 ms - 10,000 inv. com.arjuna.common.internal.util.propertyservice.BeanPopulator.getDefaultInstance 6.9% - 4,476 ms - 10,000 inv. com.arjuna.common.internal.util.propertyservice.BeanPopulator.getNamedInstance 2.5% - 1,587 ms - 10,000 inv. java.lang.StringBuilder.<init> 2.3% - 1,507 ms - 10,000 inv. java.lang.StringBuilder.toString 0.0% - 320 µs - 10,000 inv. java.util.concurrent.ConcurrentMap.containsKey 0.0% - 61 µs - 10,000 inv. java.lang.Class.getName 0.0% - 25 µs - 10,000 inv. java.util.concurrent.ConcurrentMap.get