dttung2905 commented on code in PR #13697:
URL: https://github.com/apache/pinot/pull/13697#discussion_r1710196740
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pinot-common/src/test/java/org/apache/pinot/common/metrics/AbstractMetricsTest.java:
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@@ -48,4 +52,66 @@ public void testAddOrUpdateGauge() {
controllerMetrics.removeGauge(metricName);
Assert.assertTrue(controllerMetrics.getMetricsRegistry().allMetrics().isEmpty());
}
+
+ @Test
+ public void testConcurrentGaugeUpdates() throws InterruptedException {
+ PinotConfiguration pinotConfiguration = new PinotConfiguration();
+ pinotConfiguration.setProperty(CONFIG_OF_METRICS_FACTORY_CLASS_NAME,
+ "org.apache.pinot.plugin.metrics.yammer.YammerMetricsFactory");
+ PinotMetricUtils.init(pinotConfiguration);
+ ControllerMetrics controllerMetrics = new ControllerMetrics(new
YammerMetricsRegistry());
+ String metricName = "testConcurrent";
+
+ // update and remove gauge simultaneously
+ ExecutorService service = Executors.newFixedThreadPool(3);
+ IntStream.range(0, 1000).forEach(i -> {
+ controllerMetrics.setOrUpdateGauge(metricName, () -> (long) i);
+ });
Review Comment:
Thank you for the review I have removed this thread-pool
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