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From "Vsevolod Ostapenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KYLIN-3070) Add a config property for flat table storage format
Date Thu, 07 Dec 2017 05:06:00 GMT

    [ https://issues.apache.org/jira/browse/KYLIN-3070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16281336#comment-16281336
] 

Vsevolod Ostapenko commented on KYLIN-3070:
-------------------------------------------

Patch file is attached, please review. Let me know, if you have any questions or comments.

> 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
>            Assignee: Vsevolod Ostapenko
>            Priority: Minor
>              Labels: newbie
>         Attachments: KYLIN-3070.master.001.patch
>
>   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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