[jira] [Created] (HIVE-27993) Netty4 ShuffleHandler: should use 1 boss thread

[Anmol Sundaram (Jira)]

Anmol Sundaram created HIVE-27993:
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             Summary: Netty4 ShuffleHandler: should use 1 boss thread
                 Key: HIVE-27993
                 URL: https://issues.apache.org/jira/browse/HIVE-27993
             Project: Hive
          Issue Type: Bug
          Components: llap
            Reporter: Anmol Sundaram


Similar to Tez [TEZ-4394|https://issues.apache.org/jira/browse/TEZ-4394], and 
[Hadoop|[https://github.com/apache/hadoop/blob/7a0903b7436e7f3fb4f07c40bed2218a2653ba38/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java#L353]],
 [Hive LLAP 
ShuffleHandler|[https://github.com/apache/hive/blob/cc3f4d1d3b766f444606a4b06341eb8c4ae8148c/llap-server/src/java/org/apache/hadoop/hive/llap/shufflehandler/ShuffleHandler.java#L299]|https://github.com/apache/hive/blob/cc3f4d1d3b766f444606a4b06341eb8c4ae8148c/llap-server/src/java/org/apache/hadoop/hive/llap/shufflehandler/ShuffleHandler.java#L299]should]
 should also use a single thread for boss thread pool. 



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