gortiz commented on code in PR #14946:
URL: https://github.com/apache/pinot/pull/14946#discussion_r1935378577


##########
pinot-broker/src/main/java/org/apache/pinot/broker/requesthandler/MultiStageBrokerRequestHandler.java:
##########
@@ -112,6 +118,7 @@ public MultiStageBrokerRequestHandler(PinotConfiguration 
config, String brokerId
         
CommonConstants.MultiStageQueryRunner.KEY_OF_MULTISTAGE_EXPLAIN_INCLUDE_SEGMENT_PLAN,
         
CommonConstants.MultiStageQueryRunner.DEFAULT_OF_MULTISTAGE_EXPLAIN_INCLUDE_SEGMENT_PLAN);
     _queryThrottler = queryThrottler;
+    _queryCompileExecutor = Executors.newCachedThreadPool(new 
NamedThreadFactory("query-compile-executor"));

Review Comment:
   I was fixing this issue myself, and I was just thinking about the executor. 
I was thinking of reusing another executor (because we already have too many of 
them!), but I didn't find a clear executor to use. Anyway, I don't think using 
a cached thread pool is a good idea. Wouldn't it be better to use a fixed 
number of threads?



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