[jira] [Work started] (HDFS-12504) Ozone: Improve SQLCLI performance

["Yuanbo Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-12504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HDFS-12504 started by Yuanbo Liu.
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> Ozone: Improve SQLCLI performance
> ---------------------------------
>
>                 Key: HDFS-12504
>                 URL: https://issues.apache.org/jira/browse/HDFS-12504
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Yuanbo Liu
>              Labels: performance
>
> In my test, my {{ksm.db}} has *3017660* entries with total size of *128mb*, SQLCLI tool runs over *2 hours* but still not finish exporting the DB. This is because it iterates each entry and inserts that to another sqllite DB file, which is not efficient. We need to improve this to be running more efficiently on large DB files.



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