jasperjiaguo commented on code in PR #11942:
URL: https://github.com/apache/pinot/pull/11942#discussion_r1382267013
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pinot-core/src/main/java/org/apache/pinot/core/query/scheduler/QueryScheduler.java:
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@@ -215,6 +219,14 @@ private byte[] serializeResponse(ServerQueryRequest
queryRequest, InstanceRespon
byte[] responseByte = null;
try {
responseByte = instanceResponse.toDataTable().toBytes();
Review Comment:
Could we verify whether there's memory allocation in toBytes()? We might
need to instrument that part as well. Meanwhile IMO it might be helpful to very
briefly explain why we only added instrumentation only for groupby and
selection operation utils in the PR description @SabrinaZhaozyf
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