private void updateSuggestion(List<Autoscaling> suggestions,
                                  ClusterSpec.Id clusterId,
                                  Application application,
                                  Mutex lock) {
        Optional<Cluster> cluster = application.cluster(clusterId);
        if (cluster.isEmpty()) return;
        applications().put(application.with(cluster.get().withSuggestions(suggestions)), lock);
    }
Maintainer computing scaling suggestions for all clusters

@author bratseth
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/maintenance/ScalingSuggestionsMaintainer.java