Yin Huai created SPARK-12228:
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Summary: Use in-memory for execution hive's derby metastore
Key: SPARK-12228
URL: https://issues.apache.org/jira/browse/SPARK-12228
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Yin Huai
Assignee: Yin Huai
Starting from Hive 0.13, the derby metastore can use a in-memory backend. Since
our execution hive is a fake metastore, if we use in-memory mode, we can reduce
the time that is used on creating the execution hive.
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