ankitsultana commented on code in PR #14064:
URL: https://github.com/apache/pinot/pull/14064#discussion_r1777571156
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pinot-common/src/test/java/org/apache/pinot/common/metrics/AbstractMetricsTest.java:
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@@ -268,4 +274,207 @@ public void testMeteredMetrics() {
testMetrics.getMetricsRegistry().allMetrics().keySet().forEach(testMetrics.getMetricsRegistry()::removeMetric);
Assert.assertTrue(testMetrics.getMetricsRegistry().allMetrics().isEmpty());
}
+
+ @Test
+ public void testGlobalGaugeMetricsAsyncAddRemove() throws
ExecutionException, InterruptedException {
+ ControllerMetrics controllerMetrics = buildTestMetrics();
+ int gaugeOperationsRuntimeMs = 100;
+
+ ExecutorService executorService = Executors.newFixedThreadPool(2);
+ long endTime = System.currentTimeMillis() + gaugeOperationsRuntimeMs;
+
+ Future<?> addFuture = executorService.submit(() -> {
+ while (System.currentTimeMillis() < endTime + gaugeOperationsRuntimeMs) {
Review Comment:
What you could do is use a CountDownLatch instead. Set it to 1 in the
beginning of the method.
In the end of the removeFuture, call countDown().
In addFuture, await outside of the loop, and then call another add. (all
this seems a bit overkill though)
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