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08-24-2014
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10-13-2014
06:41 AM
Hi, Sean - Yes, that does help. I took the Developer course and we discussed this. I was surprised to learn (and it's obvious to me now) that book indices are actually inverted indices! Learning to think in Hadoop and M/R will be the first challenge to overcome as I begin my efforts in working in the Big Data arena. Thanks for your help. Kevin
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09-14-2014
10:09 AM
Oh, I didn?t try that. I was looking in the documentation provided on the Express page (tab along the row where the download section is) and perhaps it is documented there but I didn?t read far enough into it. I?ll give it a try later and respond on the forum. Thanks for the quick reply. Kevin
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09-08-2014
12:14 AM
1 Kudo
The map task's local output is not stored within HDFS, rather in temporary directories on that specific node (see property mapreduce.cluster.local.dir) written using standard file I/O https://hadoop.apache.org/docs/r2.2.0/hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml
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