NLineInputFormat in Java MapReduce - use case, code sample
This post covers, NLineInputFormat, has links to Apache documentation, my notes on the topic and my sample program demonstrating the functionality. Feel free to share any insights or constructive criticism. Cheers!!
Its very useful for beginners like me . :-) . I have a question here, We are about to limit the number of records that a mapper has to be processed with NLineInputFormat. but do we need to mention it in the setInputFormatClass also?
In Hadoop, MapReduce is a calculation that decomposes large manipulation jobs into individual tasks that can be executed in parallel cross a cluster of servers. The results of tasks can be joined together to compute final results. Mapreduce program example Hadoop fs command using java api /
Nice blog ... :)
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ReplyDeleteIts very useful for beginners like me . :-) . I have a question here, We are about to limit the number of records that a mapper has to be processed with NLineInputFormat. but do we need to mention it in the setInputFormatClass also?
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thakyou it vry nice blog for beginners
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