private static boolean equalOutputs(Map<String, String> outputs) {
        Map.Entry<String, String> firstEntry = outputs.entrySet().iterator().next();
        for (Map.Entry<String, String> entry : outputs.entrySet()) {
            if (!entry.getValue().equals(firstEntry.getValue())) {
                System.out.println("output from '" + entry.getKey() + "': '" + entry.getValue() +
                                   "' did not equal output from '" + firstEntry.getKey() + "': '" + firstEntry.getValue() + "'");
                return false;
            }
        }
        return true;
    }
Tool to verify that configs across multiple config servers are the same.

@author Ulf Lilleengen
config-proxy/src/main/java/com/yahoo/vespa/config/proxy/ConfigVerification.java