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Posted to issues@spark.apache.org by "Deegue (Jira)" <ji...@apache.org> on 2019/11/07 06:21:00 UTC

[jira] [Created] (SPARK-29785) Optimize opening a new session of Spark Thrift Server

Deegue created SPARK-29785:
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             Summary: Optimize opening a new session of Spark Thrift Server
                 Key: SPARK-29785
                 URL: https://issues.apache.org/jira/browse/SPARK-29785
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Deegue


When we open a new session of Spark Thrift Server, `use default` is called and a free executor is needed to execute the SQL. This behavior adds ~5 seconds to opening a new session which should only cost ~100ms.



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