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Posted to issues@kylin.apache.org by "Lijun Cao (JIRA)" <ji...@apache.org> on 2018/11/16 08:48:00 UTC

[jira] [Assigned] (KYLIN-3671) Improve ResourceTool and JDBCResourceStore's performance

     [ https://issues.apache.org/jira/browse/KYLIN-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lijun Cao reassigned KYLIN-3671:
--------------------------------

    Assignee: Lijun Cao

> Improve ResourceTool and JDBCResourceStore's performance
> --------------------------------------------------------
>
>                 Key: KYLIN-3671
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3671
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Metadata
>    Affects Versions: v2.5.0
>            Reporter: Jinfeng Wu
>            Assignee: Lijun Cao
>            Priority: Minor
>             Fix For: v2.6.0
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> 1.Set TRANSACTION_READ_COMMITTED as default isolation level in JDBCResourceStore for best performance.
> 2.Support to get metadata resource in bulk & use ”visitFolderAndContent“ method to get metadata by folder.
> 3.Use Multithreading to download and upload metadata.
> 4.U can see the progress bar if u use metastore.sh to backup or restore metadata.



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