-Re: how to sort the output by vlaue in reduce instead of by key?
sumit ghosh 2011-04-11, 09:31
Your field1 data can be split over multiple reducers. Is it possible to emit
field1 as the key from the reducer (in case you do not need the ip anymore)?
From: leibnitz <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Mon, 11 April, 2011 12:02:46 PM
Subject: how to sort the output by vlaue in reduce instead of by key?
yes,my key is ip,and value is a object(which inherited hadoop Record
class,and will be converted
a visualized data),e.g.:
key field1,field2,field3(these are properties belong to
1.i want to sort by field1 ,but it is sorted by key in reduce by default,how
2.by the way,when my value(object) inherited to the Record,why the output
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