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Gravitino is a high-performance, geo-distributed and federated metadata lake.

There is a newer version: 0.5.1

/*
 * Copyright 2023 Datastrato Pvt Ltd.
 * This software is licensed under the Apache License version 2.
 */

package com.datastrato.gravitino.server.web;

import com.codahale.metrics.jersey2.InstrumentedResourceMethodApplicationListener;
import com.datastrato.gravitino.metrics.MetricNames;
import com.datastrato.gravitino.metrics.source.MetricsSource;
import org.glassfish.jersey.server.ResourceConfig;

public class HttpServerMetricsSource extends MetricsSource {
  public HttpServerMetricsSource(String name, ResourceConfig resourceConfig, JettyServer server) {
    super(name);
    resourceConfig.register(new InstrumentedResourceMethodApplicationListener(getMetricRegistry()));
    registerGauge(
        MetricNames.SERVER_IDLE_THREAD_NUM, () -> server.getThreadPool().getIdleThreads());
  }
}