[jira] [Commented] (ORC-210) Add new ORC 2.0 encoding for Double, Float.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ORC-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16288052#comment-16288052 ] 

ASF GitHub Bot commented on ORC-210:
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Github user xndai commented on the issue:

    https://github.com/apache/orc/pull/189
  
    hi @omalley , these are interesting data. I have a couple of questions. What are the units of these numbers? Also it looks like the codec performance varies across different data set. What would be the default encoder we propose to use? Thanks.


> Add new ORC 2.0 encoding for Double, Float.
> -------------------------------------------
>
>                 Key: ORC-210
>                 URL: https://issues.apache.org/jira/browse/ORC-210
>             Project: ORC
>          Issue Type: Improvement
>          Components: encoding, Java
>    Affects Versions: 2.0.0
>            Reporter: Dapeng Sun
>            Assignee: Teddy Choi
>         Attachments: ORC-210.1.patch, ORC-210.2.patch, patch.txt
>
>
> Currently, Double and Float are using PLAIN encoding, it is better to support encoding such as Dictionary or BitPacking to reduce the storage cost.



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