return threadPool;
}
@Override protected void doStart() throws ElasticSearchException {
if (blockingClient) {
clientBootstrap = new ClientBootstrap(new OioClientSocketChannelFactory(Executors.newCachedThreadPool(daemonThreadFactory(settings, "transport_client_worker"))));
} else {
clientBootstrap = new ClientBootstrap(new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(daemonThreadFactory(settings, "transport_client_boss")),
Executors.newCachedThreadPool(daemonThreadFactory(settings, "transport_client_worker")),
workerCount));