Sankar Hariappan created HIVE-15910:
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Summary: Improvements in Hive Unit Test by using In-memory Derby DB
Key: HIVE-15910
URL: https://issues.apache.org/jira/browse/HIVE-15910
Project: Hive
Issue Type: Test
Components: Tests
Reporter: Sankar Hariappan
Assignee: Sankar Hariappan
Hive UT currently uses Derby DB with storage on disk which have some practical
problems.
1. The run-time of Hive unit tests are high as need to operate on the disk
quite often.
2. It can cause conflict if multiple test cases operates on the same table name
(such as table being created already exist).
To solve these problems, we shall use an in-memory storage option of Derby DB
which can be even persisted if the test case demands that.
https://db.apache.org/derby/docs/10.8/devguide/cdevdvlpinmemdb.html
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