jackjlli commented on a change in pull request #7368: URL: https://github.com/apache/pinot/pull/7368#discussion_r717978921
########## File path: pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/MergeRollupMinionClusterIntegrationTest.java ########## @@ -306,6 +306,8 @@ public void testSingleLevelConcat() // Check total tasks assertEquals(numTasks, 5); + Assert.assertTrue(_controllerStarter.getControllerMetrics().containsGauge("myTable1_OFFLINE.100days")); Review comment: nit: you don't need the `Assert.` prefix if `assertTrue` shows up as static import, similarly to other assertion methods in the test. ########## File path: pinot-plugins/pinot-minion-tasks/pinot-minion-builtin-tasks/src/main/java/org/apache/pinot/plugin/minion/tasks/mergerollup/MergeRollupTaskGenerator.java ########## @@ -463,4 +541,57 @@ private long getWatermarkMs(long minStartTimeMs, long bucketMs, String mergeLeve return pinotTaskConfigs; } + + private long getMergeRollupTaskDelayInNumTimeBuckets(long watermarkMs, long bufferTimeMs, long bucketTimeMs) { + if (bufferTimeMs == 0) { + return 0; + } + return (long) Math.floor((System.currentTimeMillis() - watermarkMs - bufferTimeMs) / (double) bucketTimeMs); + } + + private void setWatermarkMs(String offlineTableName, String mergeLevel, long watermarkMs, long bufferTimeMs, + long bucketTimeMs) { + LOGGER.info( + "Setting wartermark for table: {} and mergeLevel: {} is {} (watermarkMs={}, bufferTimeMs={}, bucketTimeMs={})", + offlineTableName, mergeLevel, getMergeRollupTaskDelayInNumTimeBuckets(watermarkMs, bufferTimeMs, bucketTimeMs), + watermarkMs, bucketTimeMs, bucketTimeMs); + + ControllerMetrics controllerMetrics = _clusterInfoAccessor.getControllerMetrics(); + PinotMetricsRegistry metricsRegistry = controllerMetrics.getMetricsRegistry(); + if (metricsRegistry == null) { + return; + } + + // Update gauge value that indicates the delay in terms of the number of time buckets. + MetricKey metricKey = new MetricKey(offlineTableName, mergeLevel); + _mergeRollupWatermarks.compute(metricKey, (k, v) -> { + if (v == null) { + controllerMetrics.addCallbackGaugeIfNeeded(getMetricNameForTaskDelay(metricKey.toString()), + (() -> getMergeRollupTaskDelayInNumTimeBuckets(_mergeRollupWatermarks.getOrDefault(k, 0L), bufferTimeMs, + bucketTimeMs))); + } + return watermarkMs; + }); + } + + private void resetWatermarkMs(String tableNameWithType) { + ControllerMetrics controllerMetrics = _clusterInfoAccessor.getControllerMetrics(); + PinotMetricsRegistry metricsRegistry = controllerMetrics.getMetricsRegistry(); + if (metricsRegistry == null) { + return; + } + Iterator<MetricKey> it = _mergeRollupWatermarks.keySet().iterator(); + while (it.hasNext()) { + MetricKey metricKey = it.next(); + if (metricKey.getTableNameWithType().equals(tableNameWithType)) { + it.remove(); + controllerMetrics.removeCallbackGauge(getMetricNameForTaskDelay(metricKey.toString())); Review comment: Can we simply return if this if statement is qualified? By doing so, you don't have to traverse the whole map. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org