Gunther Hagleitner created HIVE-7271:
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Summary: Speed up unit tests
Key: HIVE-7271
URL: https://issues.apache.org/jira/browse/HIVE-7271
Project: Hive
Issue Type: Bug
Reporter: Gunther Hagleitner
Assignee: Gunther Hagleitner
Did some experiments to see if there's a way to speed up unit tests.
TestCliDriver seemed to take a lot of time just spinning up/tearing down JVMs.
I was also curious to see if running everything on a ram disk would help.
Results (I ran tests up to authorization_2):
- Current setup: 40 minutes
- Single JVM (not using child JVM to run all queries): 8 minutes
- Single JVM + ram disk: 7 minutes
So the ram disk didn't help that much. But running tests in single JVM seems
worthwhile doing.
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