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From "Mark Wagner (JIRA)" <>
Subject [jira] [Commented] (HIVE-3585) Integrate Trevni as another columnar oriented file format
Date Sun, 15 Sep 2013 20:08:52 GMT


Mark Wagner commented on HIVE-3585:

As Yin said, Parquet has mostly taken the mindshare from Trevni. Looking at the Avro jira,
it does seem that there are a few users of Trevni. [~appodictic], if you'd like to include
this for them, then that's fine. The only change to the Avro Serde was a bit of refactoring,
so it shouldn't be any burden on the "main" Avro Serde. That said, I think it'd be good for
HIVE-4732 and HIVE-4734 to go in first. Both of those should be ready to commit shortly and
will require a bit more rebasing of this patch. Also, the Avro version should get bumped to
> Integrate Trevni as another columnar oriented file format
> ---------------------------------------------------------
>                 Key: HIVE-3585
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Serializers/Deserializers
>    Affects Versions: 0.10.0
>            Reporter: alex gemini
>            Assignee: Mark Wagner
>            Priority: Minor
>         Attachments: futurama_episodes.avro, HIVE-3585.1.patch.txt
> 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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