@Override
    public void getConfig(StorDistributionConfig.Builder builder) {
        builder.initial_redundancy(effectiveInitialRedundancy());
        builder.redundancy(effectiveFinalRedundancy());
        builder.ready_copies(effectiveReadyCopies());
    }
Returns the final redundancy over all groups
config-model/src/main/java/com/yahoo/vespa/model/content/Redundancy.java