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Sushil Ks edited comment on HADOOP-15657 at 8/16/18 3:36 PM: ------------------------------------------------------------- This patch is trying to register mutableQuantiles through reflection similar to other MutableMetric, created sample MutableQuantile metric as follows and tested locally with JVisualVM viewer {code:java} public class TestMutableQuantilesMetric { @Metric(about = "async PUT entities latency", valueName = "latency") private static MutableQuantiles foobarAsyncLatency; @Test public void testMetrics() throws InterruptedException { DefaultMetricsSystem.initialize("testService").register("foo", "bar", new TestMutableQuantilesMetric()); Random random = new Random(); ScheduledExecutorService executorService = Executors .newSingleThreadScheduledExecutor(); executorService.scheduleAtFixedRate(() -> foobarAsyncLatency.add(random.nextInt(100)), 0, 1, TimeUnit.SECONDS); executorService.awaitTermination(10, TimeUnit.MINUTES); } } {code} was (Author: sushil-k-s): This patch is trying to register mutableQuantiles through reflection similar to other MutableMetric, created sample MutableQuantile metric as follows and tested locally with JVisualVM viewer > Registering MutableQuantiles via Metric annotation > -------------------------------------------------- > > Key: HADOOP-15657 > URL: https://issues.apache.org/jira/browse/HADOOP-15657 > Project: Hadoop Common > Issue Type: Improvement > Components: metrics > Reporter: Sushil Ks > Priority: Major > Attachments: HADOOP-15657.001.patch > > > Currently when creating new metrics we use @Metric annotation for registering > the MutableMetric i.e > {code:java} > @Metric > private MutableInt foobarMetricCount > {code} > However, there's no support for registering MutableQuantiles via Metric > annotation, hence creating this Jira to register MutableQuantiles via Metric > annotation. > Example: > > {code:java} > @Metric(about = "async PUT entities latency", valueName = "latency", interval > = 10) > private MutableQuantiles foobarAsyncLatency; > > {code} > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org