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Date: Tue, 12 Mar 2013 16:18:39 +0530
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Subject: Re: How can I record some position of context in Reduce()?
From: samir das mohapatra <samir.helpdoc@gmail.com>
To: user@hadoop.apache.org
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Through the RecordReader and FileStatus you can get it.


On Tue, Mar 12, 2013 at 4:08 PM, Roth Effy <effyroth@gmail.com> wrote:

> Hi,everyone,
> I want to join the k-v pairs in Reduce(),but how to get the record
> position?
> Now,what I thought is to save the context status,but class Context doesn't
> implement a clone construct method.
>
> Any help will be appreciated.
> Thank you very much.
>

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<div dir=3D"ltr">Through the RecordReader and FileStatus you can get it.<br=
></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Tue=
, Mar 12, 2013 at 4:08 PM, Roth Effy <span dir=3D"ltr">&lt;<a href=3D"mailt=
o:effyroth@gmail.com" target=3D"_blank">effyroth@gmail.com</a>&gt;</span> w=
rote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>Hi,everyone,</div>I wa=
nt to join the k-v pairs in Reduce(),but how to get the record position?<di=
v>
Now,what I thought is to save the context status,but class Context doesn&#3=
9;t implement a clone construct method.</div>
<div><br></div><div><div style=3D"font-family:arial,sans-serif;font-size:14=
px">Any help will be appreciated.</div><div style=3D"font-family:arial,sans=
-serif;font-size:14px">Thank you very much.</div></div></div>
</blockquote></div><br></div>

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