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From Kasper Sørensen (JIRA) <j...@apache.org>
Subject [jira] [Commented] (METAMODEL-93) Upgrade HBase dependency to support Hadoop 2
Date Sun, 09 Nov 2014 22:38:33 GMT

    [ https://issues.apache.org/jira/browse/METAMODEL-93?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14204157#comment-14204157
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Kasper Sørensen commented on METAMODEL-93:
------------------------------------------

I agree very much. Wondering if we can somehow make it so that it is compatible with all/many
versions of HBase. For example by not including the dependency ourselves (set scope=provided)
but at the same time ensure that our code is compatible to multiple versions of the dependency.
Not quite sure how to do that in practice, but it must have been done before I assume ...

I know that Pentaho use something called "hadoop shims" for keeping compatible with multiple
versions of Hadoop/MapReduce ... Not sure if something similar exist for HBase.

> Upgrade HBase dependency to support Hadoop 2
> --------------------------------------------
>
>                 Key: METAMODEL-93
>                 URL: https://issues.apache.org/jira/browse/METAMODEL-93
>             Project: Metamodel
>          Issue Type: Improvement
>    Affects Versions: 4.3.0-incubating
>         Environment: Cloudera CDH 5.1.0
>            Reporter: Tomasz Guzialek
>              Labels: hadoop
>
> Current hbase-client dependency version in HBase module is 0.95.1-hadoop1. We should
consider upgrading our depedency to support Hadoop 2.
> I tried to connect to HBase in Cloudera's Quickstart VM with CDH 5.1.0 from MetaModel,
but it is using HBase 0.98.1 (Hadoop 2). I guess, many people start with this popular distribution
for a proof of concept, so ensuring that MetaModel can connect to HBase on Hadoop 2 is important.




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