[jira] [Assigned] (HIVE-15910) Improvements in Hive Unit Test by using In-memory Derby DB

["Sankar Hariappan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-15910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sankar Hariappan reassigned HIVE-15910:
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> 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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