if (null == _elasticClient) {
Builder globalSettings = ImmutableSettings.settingsBuilder();
Settings snode = globalSettings.put("cluster.name", _clusterName).build();
NodeBuilder nBuilder = NodeBuilder.nodeBuilder().settings(snode);
nBuilder.data(false); // Don't store your own data
_elasticClient = new CrossVersionClient(nBuilder.build().start().client());
}
}//TOTEST
// 2. Just store the index information