int THREADS = 10;
threadPool = Executors.newFixedThreadPool(THREADS);
CountDownLatch startingGun = new CountDownLatch(THREADS + 1);
CountDownLatch finishedSignal = new CountDownLatch(THREADS);
ConcurrentRequestHandler concurrentHandler = new ConcurrentRequestHandler();
Valve pipelineHead = SessionTestUtil.setupPipeline(managers[1], concurrentHandler);
Loader[] loaders = new Loader[THREADS];
for (int i = 0; i < loaders.length; i++) {
loaders[i] = new Loader(pipelineHead, concurrentHandler, managers[1], id1, attrs.keySet(), startingGun, finishedSignal);