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https://issues.apache.org/jira/browse/HBASE-1619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728259#action_12728259
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Erik Holstad commented on HBASE-1619:
-------------------------------------

@JGray, haha, yeah I think so.

@Stack, I'm going to file a couple of issues during this week related to 
Cascading and have no problem moving them out of 0.20 if everything else is 
done. But don't think that they are going to big and complicated and take a lot 
of time to fix.

> Change the familyMap<byte[], List<KeyValue>> in put to  
> familyMap<ImmutableBytesWritable, List<KeyValue>>
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-1619
>                 URL: https://issues.apache.org/jira/browse/HBASE-1619
>             Project: Hadoop HBase
>          Issue Type: Improvement
>    Affects Versions: 0.20.0
>            Reporter: Erik Holstad
>            Priority: Minor
>             Fix For: 0.20.0
>
>
> While working on the HBase tap and scheme for Cascading I came across a 
> situation where you want to add a bunch of KeyValues to a Put object.
> Looking at the code for putting KeyValues in put we copy the family from the 
> KeyValue and use that as a key. So I was thinking that it might be a good 
> idea to just "point"
> into the KV by using a ImmutableBytesWritable and use that as the key 
> instead. This is going to be good when working with MR jobs.

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