THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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d.Provides its own start and stop methods.
2.1.3
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CompositeReporter
Push the collector's data to other systems, such as Prometheus, JMX, IoTDB, etc.
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MetricManager provides interfaces for new, deleted, modified, and querying function for MetricReporter CompositeReporter andMetric, as well as switches for data acquisition that are exposed.
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public interface MetricManager { /** * Get Counter * If exists, then return * or create one to return * @param metric * @param tags string appear in pairs, like sg="ln" will be "sg", "ln" * @return */ Counter getOrCreateCounter(String metric, String... tags); /** * Get Guage * If exists, then return * or create one to return * @param metric * @param tags string appear in pairs, like sg="ln" will be "sg", "ln" * @return */ Gauge getOrCreatGauge(String metric, String... tags); /** * Get Rate * If exists, then return * or create one to return * @param metric * @param tags string appear in pairs, like sg="ln" will be "sg", "ln" * @return */ Rate getOrCreatRate(String metric, String... tags); /** * Get Histogram * If exists, then return * or create one to return * @param metric * @param tags string appear in pairs, like sg="ln" will be "sg", "ln" * @return */ Histogram getOrCreateHistogram(String metric, String... tags); /** * Get Timer * If exists, then return * or create one to return * @param metric * @param tags string appear in pairs, like sg="ln" will be "sg", "ln" * @return */ Timer getOrCreateTimer(String metric, String... tags); /** * Update Counter * @param delta * @param metric * @param tags */ void count(int delta, String metric, String... tags); /** * Update Counter * @param delta * @param metric * @param tags */ void count(long delta, String metric, String... tags); /** * update Gauge * @param value * @param metric * @param tags */ void gauge(int value, String metric, String... tags); /** * update Gauge * @param value * @param metric * @param tags */ void gauge(long value, String metric, String... tags); /** * update Rate * @param value * @param metric * @param tags */ void rate(int value, String metric, String... tags); /** * update Rate * @param value * @param metric * @param tags */ void rate(long value, String metric, String... tags); /** * update Histogram * @param value * @param metric * @param tags */ void histogram(int value, String metric, String... tags); /** * update Histogram * @param value * @param metric * @param tags */ void histogram(long value, String metric, String... tags); /** * update Timer * @param delta * @param timeUnit * @param metric * @param tags */ void timer(long delta, TimeUnit timeUnit, String metric, String... tags); /** * remove counter * @param metric * @param tags */ void removeCounter(String metric, String... tags); /** * remove gauge * @param metric * @param tags */ void removeGauge(String metric, String... tags); /** * remove rate * @param metric * @param tags */ void removeRate(String metric, String... tags); /** * remove histogram * @param metric * @param tags */ void removeHistogram(String metric, String... tags); /** * update timer * @param metric * @param tags */ void removeTimer(String metric, String... tags); /** * get all metric keys. * * @return all MetricKeys, key is metric name, value is tags, which is a string array. */ List<String[]> getAllMetricKeys(); /** * Get all counters * @return [name, tags...] -> counter */ Map<String[], Counter> getAllCounters(); /** * Get all gauges * @return [name, tags...] -> gauge */ Map<String[], Gauge> getAllGauges(); /** * Get all rates * @return [name, tags...] -> rate */ Map<String[], Rate> getAllRates(); /** * Get all histogram * @return [name, tags...] -> histogram */ Map<String[], Histogram> getAllHistograms(); /** * Get all timers * @return [name, tags...] -> timer */ Map<String[], Timer> getAllTimers(); /** * whether is enable monitor * @return */ boolean isEnable(); /** * enable pre-defined metric set. * * @param metric which metric set we want to collect */ void enablePredefinedMetric(PredefinedMetric metric); /** * init something. * * @return whether success */ boolean init(); /** * stop everything and clear * * @return */ boolean stop(); /** * Get name of manager * @return */ String getName(); } |
2.5
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CompositeReporter
MetricReporter CompositeReporter is a data push interface.
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