Package com.codahale.metrics

Examples of com.codahale.metrics.RatioGauge

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import static com.codahale.metrics.MetricRegistry.name;

public class InstrumentedQueuedThreadPool extends QueuedThreadPool {
    public InstrumentedQueuedThreadPool(MetricRegistry registry) {
        super();
        registry.register(name(QueuedThreadPool.class, "percent-idle"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getIdleThreads(),
                                getThreads());
            }
        });
        registry.register(name(QueuedThreadPool.class, "active-threads"), new Gauge<Integer>() {
            @Override
            public Integer getValue() {
                return getThreads();
            }
        });
        registry.register(name(QueuedThreadPool.class, "idle-threads"), new Gauge<Integer>() {
            @Override
            public Integer getValue() {
                return getIdleThreads();
            }
        });
        registry.register(name(QueuedThreadPool.class, "jobs"), new Gauge<Integer>() {
            @Override
            public Integer getValue() {
                // This assumes the QueuedThreadPool is using a BlockingArrayQueue or
                // ArrayBlockingQueue for its queue, and is therefore a constant-time operation.
                return getQueue() != null ? getQueue().size() : 0;
            }
        });
        registry.register(name(QueuedThreadPool.class, "utilization-max"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getThreads() - getIdleThreads(), getMaxThreads());
            }
        });
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            public Long getValue() {
                return mxBean.getHeapMemoryUsage().getCommitted();
            }
        });

        gauges.put("heap.usage", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                final MemoryUsage usage = mxBean.getHeapMemoryUsage();
                return Ratio.of(usage.getUsed(), usage.getMax());
            }
        });

        gauges.put("non-heap.init", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getInit();
            }
        });

        gauges.put("non-heap.used", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getUsed();
            }
        });

        gauges.put("non-heap.max", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getMax();
            }
        });

        gauges.put("non-heap.committed", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getCommitted();
            }
        });

        gauges.put("non-heap.usage", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                final MemoryUsage usage = mxBean.getNonHeapMemoryUsage();
                return Ratio.of(usage.getUsed(), usage.getMax());
            }
        });

        for (final MemoryPoolMXBean pool : memoryPools) {
            final String poolName = name("pools", WHITESPACE.matcher(pool.getName()).replaceAll("-"));

            gauges.put(name(poolName, "usage"),
                    new RatioGauge() {
                           @Override
                           protected Ratio getRatio() {
                               MemoryUsage usage = pool.getUsage();
                               return Ratio.of(usage.getUsed(),
                                       usage.getMax() == -1 ? usage.getCommitted() : usage.getMax());
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    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();
        metricRegistry.register(name(QueuedThreadPool.class, getName(), "utilization"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getThreads() - getIdleThreads(), getThreads());
            }
        });
        metricRegistry.register(name(QueuedThreadPool.class, getName(), "utilization-max"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getThreads() - getIdleThreads(), getMaxThreads());
            }
        });
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      @Override
      public Long getValue() {
        return getSnapshot().getTotal();
      }
    });
    metrics.put("os.swap.usage-percent", new RatioGauge() {
      @Override
      protected Ratio getRatio() {
        return Ratio.of(getSnapshot().getUsed(), getSnapshot().getTotal());
      }
    });
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  @Override
  public Map<String, Metric> getMetrics() {
    final Map<String, Metric> metrics = new HashMap<String, Metric>();

    metrics.put(name(metricPrefix, "access.hit.total.ratio"), new RatioGauge() {
      @Override
      public Ratio getRatio() {
        return cacheUsageListener.getHitRatio1Min();
      }
    });
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        public Integer getValue() {
          return pooledResource.getThreadPoolNumTasksPending();
        }
      });
    }
    registry.register(name + ".usage", new RatioGauge() {
      @Override
      protected Ratio getRatio() {
      return Ratio.of(pooledResource.getThreadPoolNumActiveThreads(), pooledResource.getMaxPoolSize());
      }
    });
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                                        @Name("minThreads") int minThreads,
                                        @Name("idleTimeout") int idleTimeout,
                                        @Name("queue") BlockingQueue<Runnable> queue) {
        super(maxThreads, minThreads, idleTimeout, queue);

        registry.register(name(QueuedThreadPool.class, name, "utilization"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getThreads() - getIdleThreads(), getThreads());
            }
        });
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        String serviceName = serviceFactory.getServiceName();
        _metrics = Metrics.forInstance(metrics, this, serviceName);
        _loadTimer = _metrics.timer("load-time");

        _metrics.gauge("cache-hit-ratio", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(_requestCount.get() - _missCount.get(), _requestCount.get());
            }
        });

        _metrics.gauge("cache-miss-ratio", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(_missCount.get(), _requestCount.get());
            }
        });

        _metrics.gauge("load-success-ratio", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(_loadSuccessCount.get(), _loadSuccessCount.get() + _loadFailureCount.get());
            }
        });
        _metrics.gauge("load-failure-ratio", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(_loadFailureCount.get(), _loadSuccessCount.get() + _loadFailureCount.get());
            }
        });
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            public Long getValue() {
                return mxBean.getHeapMemoryUsage().getCommitted();
            }
        });

        gauges.put("heap.usage", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                final MemoryUsage usage = mxBean.getHeapMemoryUsage();
                return Ratio.of(usage.getUsed(), usage.getMax());
            }
        });

        gauges.put("non-heap.init", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getInit();
            }
        });

        gauges.put("non-heap.used", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getUsed();
            }
        });

        gauges.put("non-heap.max", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getMax();
            }
        });

        gauges.put("non-heap.committed", new Gauge<Long>() {
            @Override
            public Long getValue() {
                return mxBean.getNonHeapMemoryUsage().getCommitted();
            }
        });

        gauges.put("non-heap.usage", new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                final MemoryUsage usage = mxBean.getNonHeapMemoryUsage();
                return Ratio.of(usage.getUsed(), usage.getMax());
            }
        });

        for (final MemoryPoolMXBean pool : memoryPools) {
            gauges.put(name("pools",
                            WHITESPACE.matcher(pool.getName()).replaceAll("-"),
                            "usage"),
                       new RatioGauge() {
                           @Override
                           protected Ratio getRatio() {
                               final long max = pool.getUsage().getMax() == -1 ?
                                       pool.getUsage().getCommitted() :
                                       pool.getUsage().getMax();
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    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();
        metricRegistry.register(name(QueuedThreadPool.class, getName(), "utilization"), new RatioGauge() {
            @Override
            protected Ratio getRatio() {
                return Ratio.of(getThreads() - getIdleThreads(), getThreads());
            }
        });
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Related Classes of com.codahale.metrics.RatioGauge

  • com.bazaarvoice.ostrich.pool.ServiceCache
  • com.codahale.metrics.jetty8.InstrumentedQueuedThreadPool
  • com.codahale.metrics.jetty9.InstrumentedQueuedThreadPool
  • com.codahale.metrics.jvm.MemoryUsageGaugeSet
  • org.stagemonitor.core.pool.PooledResourceMetricsRegisterer
  • org.stagemonitor.ehcache.EhCacheMetricSet
  • org.stagemonitor.os.metrics.SwapMetricSet
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