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From Gopal Vijayaraghavan <gop...@apache.org>
Subject Re: One Mapper runs in ACID tables
Date Fri, 15 Jul 2016 01:34:27 GMT


>Want to confirm why we  have implemented it in this way and if any
>correction in understanding is required please update

This is not implemented intentionally - the issue is that delta files show
up as 0 sized splits.

You should be getting exactly as many splits as you have buckets x
partitions in Hive-2.0.

This fix can't be backported to hive-1.2.1 without a corresponding Tez
upgrade to 0.7.x.

<https://github.com/apache/hive/commit/76961d1f67a5d5e3614d3d81c417684fab92
c6c2>


Cheers,
Gopal



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