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Posted to issues@carbondata.apache.org by "kumar vishal (JIRA)" <ji...@apache.org> on 2019/01/09 12:37:00 UTC

[jira] [Resolved] (CARBONDATA-3200) No-Sort Compaction

     [ https://issues.apache.org/jira/browse/CARBONDATA-3200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

kumar vishal resolved CARBONDATA-3200.
--------------------------------------
    Resolution: Fixed

> No-Sort Compaction
> ------------------
>
>                 Key: CARBONDATA-3200
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-3200
>             Project: CarbonData
>          Issue Type: New Feature
>          Components: core
>            Reporter: Naman Rastogi
>            Assignee: Naman Rastogi
>            Priority: Major
>          Time Spent: 14h
>  Remaining Estimate: 0h
>
> When the data is loaded with SORT_SCOPE as NO_SORT, and done compaction upon, the data still remains unsorted. This does not affect much in query. The major purpose of compaction, is better pack the data and improve query performance.
>  
> Now, the expected behaviour of compaction is sort to the data, so that after compaction, query performance becomes better. The columns to sort upon are provided by SORT_COLUMNS.



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