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

["Vsevolod Ostapenko (JIRA)" <ji...@apache.org>]

Vsevolod Ostapenko created KYLIN-3070:
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             Summary: 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: Bug
          Components: Job Engine
    Affects Versions: v2.2.0
         Environment: HDP 2.5.6, Kylin 2.2.0
            Reporter: Vsevolod Ostapenko
            Assignee: Dong Li
            Priority: Minor


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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