Apache Pig is a platform for analyzing large data sets that consists of a high-level language for expressing data analysis programs, coupled with infrastructure for evaluating these programs.
Can someone example the computation of median/quantiles in map reduce? My understanding of Datafu's median is that the 'n' …
hadoop statistics mapreduce apache-pig medianWhen I run a mapreduce job using hadoop command, I use -libjars to setup my jar to the cache and …
hadoop apache-pigAre there any advantages (wrt performance / no of map reduces ) when i use COGROUP instead of JOIN in pig ? http://…
hadoop apache-pigLet's say I have a data set of restaurant reviews: User,City,Restaurant,Rating Jim,New York,Mecurials,3 Jim,New …
apache-pigI have following tuple H1 and I want to strsplit its $0 into tuple.However I always get an error message: …
apache-pigI'm using PigLatin to filter some records. User1 8 NYC User1 9 NYC User1 7 LA User2 4 NYC User2 3 DC The script should …
apache-pigFor a file of the form A B user1 C D user2 A D user3 A D user1 I want …
hadoop apache-pigThis is my file: Col1, Col2, Col3, Col4, Col5 I need only Col2 and Col3. Currently I'm doing this: a = …
hadoop mapreduce apache-pigI'm about to start playing around with PIG-latin, and I was hoping to get some text highlighting and such for …
eclipse eclipse-plugin editor apache-pigCurrently, when I STORE into HDFS, it creates many part files. Is there any way to store out to a …
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