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Date: Fri, 7 Jun 2013 19:17:16 +0800 (SGT)
From: Sai Sai <saigraph@yahoo.in>
Reply-To: Sai Sai <saigraph@yahoo.in>
Subject: Re: Why/When partitioner is used.
To: "user@hadoop.apache.org" <user@hadoop.apache.org>
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I always get confused why we should partition and what is the use of it.=0A=
Why would one want to send all the keys starting with A to Reducer1 and B t=
o R2 and so on...=0AIs it just to parallelize the reduce process.=0APlease =
help.=0AThanks=0ASai
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div>I always get con=
fused why we should partition and what is the use of it.</div><div>Why woul=
d one want to send all the keys starting with A to Reducer1 and B to R2 and=
 so on...</div><div>Is it just to parallelize the reduce process.</div><div=
>Please help.</div><div>Thanks</div><div>Sai</div>  </div></body></html>
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