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Posted to issues@carbondata.apache.org by "Ravindra Pesala (JIRA)" <ji...@apache.org> on 2017/04/05 10:51:41 UTC

[jira] [Updated] (CARBONDATA-863) Support creation and deletion of dictionary files through RDD during alter add and drop

     [ https://issues.apache.org/jira/browse/CARBONDATA-863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravindra Pesala updated CARBONDATA-863:
---------------------------------------
    Fix Version/s:     (was: 1.1.0-incubating)

> Support creation and deletion of dictionary files through RDD during alter add and drop
> ---------------------------------------------------------------------------------------
>
>                 Key: CARBONDATA-863
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-863
>             Project: CarbonData
>          Issue Type: Improvement
>            Reporter: Manish Gupta
>            Assignee: Manish Gupta
>            Priority: Minor
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Currently during alter add and drop columns operation, dictionary files for columns are being added and dropped in a single thread due to which the operation becomes very slow as the number of columns increases.
> Instead this operation should be done through RDD which will make optimal use of executor cores configured and performance will increase by number of cores configured.



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