chrajeshbabu opened a new issue, #15092:
URL: https://github.com/apache/pinot/issues/15092

   Currently max number of threads to be used for a query having combine 
operator is 10 which can be made configurable when we have more number of 
segments to be processed and have high number of cores in a machine for better 
latencies.
   
   /**
      * Use at most 10 or half of the processors threads for each query. If 
there are less than 2 processors, use 1
      * thread.
      * <p>NOTE: Runtime.getRuntime().availableProcessors() may return value < 
2 in container based environment, e.g.
      * Kubernetes.
      */
     public static final int MAX_NUM_THREADS_PER_QUERY =
         Math.max(1, Math.min(10, Runtime.getRuntime().availableProcessors() / 
2));


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