Examples with WorkerWebUIMetrics alluxio.wire.WorkerWebUIMetrics used on opensource projects

Example 1 with WorkerWebUIMetrics

use of alluxio.wire.WorkerWebUIMetrics in project alluxio by Alluxio.

the class AlluxioWorkerRestServiceHandler method getWebUIMetrics.

/**
 * Gets web ui metrics page data.
 *
 * @return the response object
 */
@GET
@Path(WEBUI_METRICS)
public Response getWebUIMetrics() {
    return RestUtils.call(() -> {
        WorkerWebUIMetrics response = new WorkerWebUIMetrics();
        MetricRegistry mr = MetricsSystem.METRIC_REGISTRY;
        SortedMap<String, Gauge> gauges = mr.getGauges();
        Long workerCapacityTotal = (Long) gauges.get(MetricsSystem.getMetricName(MetricKey.WORKER_CAPACITY_TOTAL.getName())).getValue();
        Long workerCapacityUsed = (Long) gauges.get(MetricsSystem.getMetricName(MetricKey.WORKER_CAPACITY_USED.getName())).getValue();
        int workerCapacityUsedPercentage = (workerCapacityTotal > 0) ? (int) (100L * workerCapacityUsed / workerCapacityTotal) : 0;
        response.setWorkerCapacityUsedPercentage(workerCapacityUsedPercentage);
        response.setWorkerCapacityFreePercentage(100L - workerCapacityUsedPercentage);
        Map<String, Metric> operations = new TreeMap<>();
        // Remove the instance name from the metrics.
        for (Map.Entry<String, Counter> entry : mr.getCounters().entrySet()) {
            operations.put(MetricsSystem.stripInstanceAndHost(entry.getKey()), entry.getValue());
        }
        response.setOperationMetrics(operations);
        return response;
    }, ServerConfiguration.global());
}