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is in love with hadoop..

Status posted by amogh vasekar Dec 16, 2009

amogh vasekar replied to Robert Dove's discussion 'Skipping reduce phase for certain key-value pairs within mapper?'

Jason, I'm curious to know as to how the side effect files in mapper side on job having reduce != 0 get propagated to hdfs output. As I understand, the output will be committed on the reduce side. If the side effect files from map side are…

Nov 25, 2009

amogh vasekar replied to Robert Dove's discussion 'Skipping reduce phase for certain key-value pairs within mapper?'

Hi, A couple of quick questions before going forward. When you say chain mapreduce jobs, are you using chain-mapper APIs ? If yes, the concept of output file of one mapper as an input to other isn't that straightforward, since i believe it…

Nov 24, 2009

amogh vasekar replied to wang zhengkui's discussion 'Two requirements for Hadoop'

To write into multiple partitions, please look at pig's skewed join implementation of partitioner. I believe they do something pretty similar. However, .20onwards reducers will have to be set. Hence, it might break your implementation. Coming…

Sep 23, 2009

harish left a comment for amogh vasekar

hi amog.pls contact me at harish@esika.in for discussing on some opportunity

Sep 22, 2009