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From JaeHwa Jung <jhj...@gruter.com>
Subject Re: [FYI] some remarkable features in hadoop 2.3.0
Date Tue, 25 Feb 2014 01:23:09 GMT
+1.

Thanks Hyunsik, I also agree with you.
We need to bump up hadoop to 2.3.0.

Cheers


2014-02-25 10:19 GMT+09:00 Hyunsik Choi <hyunsik@apache.org>:

> Hi folks,
>
> As you already know, Hadoop 2.3.0 release. While I'm reading the changes, I
> noted some new features that Tajo should consider.
>
> Centralized cache management in HDFS
>   - https://issues.apache.org/jira/browse/HDFS-4949
>
> Ealier, Min mentioned cached table. In offline, I discussed HDFS-4949 with
> him. It may be a candidate feature for our goal.
>
> Enable support for heterogeneous storages in HDFS - DN as a collection of
> storages
>  - https://issues.apache.org/jira/browse/HDFS-2832
>
> It's for different storage medias like SSD and HDD.
>
> Add a directbuffer Decompressor API to hadoop
>   - https://issues.apache.org/jira/browse/HADOOP-10047
>
> We already use compression/decompression in text file. We also should adopt
> comp/decomp to other file formats. For that, HDFS-10047 may be a nice
> candidate feature to be used.
>
> - hyunsik
>



-- 
Thanks,
Jaehwa Jung
Bigdata Platform Team
Gruter

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