private void addResourceUsage(NodeInfo nodeInfo, Map<String, Double> feedBlockLimits, HtmlTable.Row row) {
            if (nodeInfo.isDistributor()) {
                row.addCell(new HtmlTable.Cell("-").addProperties(CENTERED_PROPERTY));
                row.addCell(new HtmlTable.Cell("-").addProperties(CENTERED_PROPERTY));
                return;
            }
            addSingleResourceUsageCell(nodeInfo, "disk", feedBlockLimits, row);
            addSingleResourceUsageCell(nodeInfo, "memory", feedBlockLimits, row);
        }
Renders web page with cluster status.
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/status/statuspage/VdsClusterHtmlRenderer.java