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Posted to issues@kylin.apache.org by "RongH (JIRA)" <ji...@apache.org> on 2017/12/01 02:26:00 UTC

[jira] [Commented] (KYLIN-3070) Add a config property for flat table storage format

    [ https://issues.apache.org/jira/browse/KYLIN-3070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16273837#comment-16273837 ] 

RongH commented on KYLIN-3070:
------------------------------

I want to do it. Could you assign this issue to me?

> Add a config property for flat table storage format
> ---------------------------------------------------
>
>                 Key: KYLIN-3070
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3070
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>    Affects Versions: v2.2.0
>         Environment: HDP 2.5.6, Kylin 2.2.0
>            Reporter: Vsevolod Ostapenko
>            Priority: Minor
>              Labels: newbie
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Flat table storage format is currently hard-coded as SEQUENCEFILE in the core-job/src/main/java/org/apache/kylin/job/JoinedFlatTable.java
> That prevents using Impala as a SQL engine while using beeline CLI (via custom JDBC URL), as Impala cannot write sequence files.
> Adding a parameter to kylin.properties to override the default setting would address the issue.
> Removing a hard-coded value for storage format might be good idea in and on itself.



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