21.12.2017 09:38:22.066 *WARN* [qtp88097215-112-acceptor-0@5a27f8c3-ServerConnector@1eafc3ca{HTTP/1.1}{0.0.0.0:4502}] org.eclipse.jetty.server.ServerConnectorjava.io.IOException: Too many open filesCheck the ulimit set ? Increase it for now. Also, check the JMX console for IndexStats to get more ide...