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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10642) Add M/R over snapshots sample code to 0.94
Date Fri, 28 Feb 2014 23:00:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13916539#comment-13916539
] 

Enis Soztutar commented on HBASE-10642:
---------------------------------------

The patch as it is will be useful. The version this is based vs the final version of the patch
had a lot of changes, but not all of them might be needed (see https://issues.apache.org/jira/browse/HBASE-8369?focusedCommentId=13848481&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13848481
for changes). 
My only concerns with this patch are: 
 - The unit test does not verify anything. maybe we should get the UT from the latest version.

 - On secure setup where HBase cluster is offline, the job cannot be launched because of initCredentials()
call will fail. 

But depending on the use case, it might be ok to get the patch in as is. 


> Add M/R over snapshots sample code to 0.94
> ------------------------------------------
>
>                 Key: HBASE-10642
>                 URL: https://issues.apache.org/jira/browse/HBASE-10642
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>             Fix For: 0.94.18
>
>         Attachments: 10642-0.94.txt
>
>
> I think we want drive towards all (or most) M/R over HBase to be against snapshots and
HDFS directly.
> Adopting a simple input format (even if just as a sample) as part of HBase will allow
us to direct users this way.



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