On 8/19/17 3:28 AM, Remil Mohanan wrote:
I am trying to pass multiple non key values from mapper to reducer.
The only way to pass data from the mapper to the reducer is through
passing key-values. One common trick is to designate a special key as
the out-of-band information key and then use
Hello Daniel,
I am trying to pass multiple non key values from mapper to reducer. I can pass
key columns by concatenating the text key values. Can you please give a working
sample code. Similarly for reading and writing a file inside the hdfs system
other than normal read and write.
Thanks
Re
Can you clarify what you mean for #1? For #2, try this:
https://tutorials.techmytalk.com/2014/08/16/hadoop-hdfs-java-api/
Daniel
On 8/16/17 8:17 AM, Remil Mohanan wrote:
Hi there,
Please help me to get a sample program for each scenario.
1) need a Java map reducer sample program where
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>>>
>>> Hi there,
>>>
>>> Please help me to get a sample program for each scenario.
>>>
>>> 1) need a Java map reducer sample program where multiple parameters
>>> are passed from mapper to reducer.
>>> 2) need a Java map reducer program where there is a write to a file inside
>>
