[jira] [Resolved] (KYLIN-2424) Optimize the integration test's performance

["Shaofeng SHI (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-2424?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shaofeng SHI resolved KYLIN-2424.
---------------------------------
    Resolution: Fixed

> Optimize the integration test's performance
> -------------------------------------------
>
>                 Key: KYLIN-2424
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2424
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Tools, Build and Test
>            Reporter: Shaofeng SHI
>            Assignee: Shaofeng SHI
>             Fix For: v2.0.0
>
>
> Kylin's integration test is slow, especially the ITCombinationTest. Most of time are spent on H2 to execute the test queries. In a latest integration test, this test case take 90 minutes to finish.
> By checking H2's document, I think the main problem is the absence of index on the tables, while index is very important for a relational database's query performance. So when Kylin create the tables in H2, shoud create index on the columns that will be used in the queries, like the pk/fk, the filtering columns etc. 



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