[jboss-as7-dev] Optimal MSC threadpool size?

I was experimenting a bit with the MSC threadpool size (org.jboss.server.bootstrap.maxThreads) vs boot time and I've put the results here: http://community.jboss.org/wiki/ModularServiceContainer-OptimalThreadpool... On my quad-core/dual-threaded machine with 8 reported processors, the default pool size is 16 (processors x 2). In most cases this looks like an overkill to me, i.e. you can get pretty much the same or better results with a thread pool of 4, or even 2. Another conclusion seems to be that not too much stuff gets parallelized under the hood? Even with 1 thread the default config boots pretty much in the same time, while some benefit kicks in as soon as you have some form of I/O in the full and ha configs. But even then, with a thread pool of 2 you achieve most of this gain. Do I miss something? Do you see different results? Just try a single threaded boot: standalone.bat -Dorg.jboss.server.bootstrap.maxThreads=1 I am using the latest 7.1.0.CR1-SNAPSHOT /D