@Override
    public void getConfig(StorServerConfig.Builder builder) {
        builder.root_folder("");
        builder.is_distributor(false);

        if (clusterName != null) {
            builder.cluster_name(clusterName);
        }
        if (maxMergesPerNode != null) {
            builder.max_merges_per_node(maxMergesPerNode);
        }
        if (queueSize != null) {
            builder.max_merge_queue_size(queueSize);
        }
        builder.merge_throttling_memory_limit(
                new StorServerConfig.Merge_throttling_memory_limit.Builder()
                        .max_usage_bytes(0));
    }
Serves config for stor-server for storage clusters (clusters of storage nodes).
config-model/src/main/java/com/yahoo/vespa/model/content/storagecluster/StorServerProducer.java