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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5528) Binary partitioner
Date Fri, 27 Mar 2009 18:42:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12690000#action_12690000
] 

Chris Douglas commented on HADOOP-5528:
---------------------------------------

Please don't hesitate to pick the semantics. After all, this is your patch. If you prefer
python semantics to "python-like," then by all means: go that route. I mentioned the original
comment only to explain where I was coming from, as part of our disagreement stemmed from
a mismatch in our understanding. I have no opinion on which are "better", as both are equivalently
expressive.

I'm +1 on the current patch, and would not object if the indices were adjusted to fit the
former semantics.

> Binary partitioner
> ------------------
>
>                 Key: HADOOP-5528
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5528
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Klaas Bosteels
>            Assignee: Klaas Bosteels
>         Attachments: HADOOP-5528.patch, HADOOP-5528.patch, HADOOP-5528.patch, HADOOP-5528.patch,
HADOOP-5528.patch
>
>
> It would be useful to have a {{BinaryPartitioner}} that partitions {{BinaryComparable}}
keys by hashing a configurable part of the bytes array corresponding to each key.

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