StageManager.registerStage(StorageService.mrStage_, new MultiThreadedStage(StorageService.mrStage_, threadCount));
/* Stage for handling the HTTP messages. */
StageManager.registerStage(HttpConnection.httpStage_, new SingleThreadedStage("HTTP-REQUEST"));
if ( DatabaseDescriptor.isRackAware() )
nodePicker_ = new RackAwareStrategy(tokenMetadata_);
else
nodePicker_ = new RackUnawareStrategy(tokenMetadata_);
}