private void launchTaskRunners(ExecutionBlockId executionBlockId, Collection<Container> containers) {
// Query in standby mode doesn't need launch Worker.
// But, Assign ExecutionBlock to assigned tajo worker
for(Container eachContainer: containers) {
TajoContainerProxy containerProxy = new TajoContainerProxy(queryTaskContext, tajoConf,
eachContainer, executionBlockId);
executorService.submit(new LaunchRunner(eachContainer.getId(), containerProxy));
}
}