adarshsanjeev commented on code in PR #13205:
URL: https://github.com/apache/druid/pull/13205#discussion_r1023638488
##########
extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/exec/ControllerImpl.java:
##########
@@ -590,7 +599,34 @@ public void updateStatus(int stageNumber, int
workerNumber, Object keyStatistics
);
}
- queryKernel.addResultKeyStatisticsForStageAndWorker(stageId,
workerNumber, keyStatistics);
+ queryKernel.addResultStatisticsReportForStageAndWorker(stageId,
workerNumber, aggregatedKeyStatistics);
+
+ if
(queryKernel.getStagePhase(stageId).equals(ControllerStagePhase.MERGING_STATISTICS))
{
+ List<String> workerTaskIds = workerTaskLauncher.getTaskList();
+ WorkerAggregatedKeyStatistics mergedKeyStatistics =
queryKernel.getAggregatedKeyStatistics(stageId);
+
+ // Queue the sketch fetching task into the worker sketch fetcher.
+ CompletableFuture<Either<Long, ClusterByPartitions>>
clusterByPartitionsCompletableFuture =
+ workerSketchFetcher.submitFetcherTask(
+ mergedKeyStatistics,
+ workerTaskIds,
+ stageDef
+ );
+
+ // Add the listener to handle completion.
+
clusterByPartitionsCompletableFuture.whenComplete((clusterByPartitionsEither,
throwable) -> {
+ if (throwable != null) {
+ queryKernel.failStageForReason(stageId,
UnknownFault.forException(throwable));
+ } else if (clusterByPartitionsEither.isError()) {
+ queryKernel.failStageForReason(stageId, new
TooManyPartitionsFault(stageDef.getMaxPartitionCount()));
+ } else {
+ queryKernel.setClusterByPartitionBoundaries(stageId,
clusterByPartitionsEither.valueOrThrow());
Review Comment:
Moved this to inside the kernalManipulationQueue
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