private static TimingValues createTimingValues() {
        // Proxy should time out before clients upon subscription.
        double timingValuesRatio = 0.8;

        return new TimingValues()
                .setFixedDelay((long) (new TimingValues().getFixedDelay() * timingValuesRatio))
                .setSubscribeTimeout((long) (new TimingValues().getSubscribeTimeout() * timingValuesRatio));
    }
Updates subscribers with new config. This method will be called when a response with changed config is
received from upstream (content or generation has changed) or the server timeout has elapsed.

@param config new config
config-proxy/src/main/java/com/yahoo/vespa/config/proxy/RpcConfigSourceClient.java