snleee commented on a change in pull request #7368:
URL: https://github.com/apache/pinot/pull/7368#discussion_r718216292
##########
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:
@jackjlli I changed the watermark map as 2 level map (tableName ->
mergeLevel -> watermark). Can you go over one more time?
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