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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