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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1653) new o.a.h.h.mapreduce package is incompletely ported to o.a.h.mapreduce
Date Tue, 14 Jul 2009 20:33:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1653?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731110#action_12731110
] 

Lars George commented on HBASE-1653:
------------------------------------

Yes, as Do─čacan says, please see HBASE-1626. 

> new o.a.h.h.mapreduce package is incompletely ported to o.a.h.mapreduce
> -----------------------------------------------------------------------
>
>                 Key: HBASE-1653
>                 URL: https://issues.apache.org/jira/browse/HBASE-1653
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>             Fix For: 0.20.0
>
>
> There should be no use of classes from o.a.h.mapred in o.a.h.h.mapreduce, only the classes
in o.a.h.mapreduce. To do so invites problems by mixing compatibility mode with the >=
0.20 mapreduce classes. 
> From Yair Even-Zohar up on hbase-users@
> bq. Here is a snippet from TableOutputFormat (The new one in org.apache.hadoop.hbase.mapreduce)
> {code}
> import org.apache.hadoop.mapred.JobConf;
> import org.apache.hadoop.mapred.FileOutputFormat;
> public class TableOutputFormat extends
>     FileOutputFormat<ImmutableBytesWritable, Put> {
> {code}
> bq. Notice that TableOutputFormat extends the old (mapred) FileOutputFormat and thus
the old OutputFormat.
> bq. Additionally, JobConf is deprecated too but that's beside the current point.

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