wangdengshan created LIVY-1004:
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             Summary: Optimize the thread pool used to create sessions
                 Key: LIVY-1004
                 URL: https://issues.apache.org/jira/browse/LIVY-1004
             Project: Livy
          Issue Type: Improvement
          Components: Thriftserver
    Affects Versions: 0.8.0
            Reporter: wangdengshan


The process of asynchronously creating sessions uses scala's default thread 
pool, but this thread pool has limitations. Its default number of threads is 
the number of system cores. When the concurrency of creating sessions is large, 
it will cause blocking!



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