yashmayya commented on code in PR #17419:
URL: https://github.com/apache/pinot/pull/17419#discussion_r2670489696
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pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/MultiStageBrokerRequestHandler.java:
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@@ -581,10 +587,19 @@ private BrokerResponse
query(QueryEnvironment.CompiledQuery query, long requestI
return new BrokerResponseNative(QueryErrorCode.EXECUTION_TIMEOUT);
}
+ int stageCount = dispatchableSubPlan.getQueryStageMap().size();
+ int opChainCount = dispatchableSubPlan.getQueryStageMap().values().stream()
+ .mapToInt(stage -> stage.getServerInstances().size())
Review Comment:
> You are right, but I didn't find that and it looks like right now we don't
schedule more than one worker per server.
It's possible when intermediate stage parallelism is configured via query
option. There's some other scenarios too where more than one worker can be
assigned to each server.
> Should I use stage.getWorkerMetadataList instead
Yup, that's the right API to use here IMO.
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