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From 张铎(Duo Zhang) <palomino...@gmail.com>
Subject Re: A Java Client to connect to both 0.94 and 1.2.4 HBase
Date Fri, 30 Dec 2016 13:22:29 GMT
Nice try!

Is this a migration tool? Or a thin layer on top of the original hbase
client to make the user be able to access both 0.94 and 1.2.4 with the same
API?

Thanks.

2016-12-30 21:05 GMT+08:00 Enrico Olivelli <eolivelli@gmail.com>:

> Hi all,
> The migration from 0.94 to 1.2.4 is really a pain and  some time ago I
> asked to this list if there was a way to connect to both a 0.94
> cluster and a 1.2.4 cluster.
>
> I have created a proof-of-concept project which is able to achieve my
> goal but "shading" most of the 0.94 client.
>
> This is the source code and the list of tricks to make it work:
> https://github.com/eolivelli/multi-hbase
>
> The above code simply performs a full scan from a 0.94 table and
> performs puts to a 1.2.4 cluster, but I think that most of the basic
> API of the 0.94 client will work and the full API of the 1.2.4 is
> available.
>
> I'm going to implement a more stable version of the client to be used
> in production.
>
> I will appreciate a lot If anyone has some time to take a look and
> give me some feedback.
>
> Cheers
> Enrico Olivelli
>

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