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From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3585) Integrate Trevni as another columnar oriented file format
Date Tue, 13 Nov 2012 20:54:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13496530#comment-13496530
] 

Carl Steinbach commented on HIVE-3585:
--------------------------------------

@Yongqiang: Trevni aims to offer significant performance improvements over RCFile. Have you
read the spec? http://avro.apache.org/docs/current/trevni/spec.html
                
> Integrate Trevni as another columnar oriented file format
> ---------------------------------------------------------
>
>                 Key: HIVE-3585
>                 URL: https://issues.apache.org/jira/browse/HIVE-3585
>             Project: Hive
>          Issue Type: Improvement
>          Components: Serializers/Deserializers
>    Affects Versions: 0.10.0
>            Reporter: alex gemini
>            Assignee: Jakob Homan
>            Priority: Minor
>
> add new avro module trevni as another columnar format.New columnar format need a columnar
SerDe,seems fastutil is a good choice.the shark project use fastutil library as columnar serde
library but it seems too large (almost 15m) for just a few primitive array collection.

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