Seems to work well. Thank you very much!
On Jan 21, 2014, at 12:42 , Keith Wiley wrote:
> I'll look it up. Thanks.
>
> On Jan 21, 2014, at 11:43 , java8964 wrote:
>
>> You cannot use hadoop "NLineInputFormat"?
>>
>> If you generate 100 lines of text file, by default, one line will trigger one mapper
task.
>>
>> As long as you have 100 task slot available, you will get 100 mapper running concurrently.
>>
>> You want perfect control over mapper num? NLineInputFormat is designed for your purpose.
>>
>> Yong
________________________________________________________________________________
Keith Wiley kwiley@keithwiley.com keithwiley.com music.keithwiley.com
"It's a fine line between meticulous and obsessive-compulsive and a slippery
rope between obsessive-compulsive and debilitatingly slow."
-- Keith Wiley
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