I am working on 8 node Hadoop cluster, and I am trying to execute a simple streaming Job with the specified configuration.
I have documents like this in my CouchDB: { \"_id\": \"0cb35be3cc73d6859c303fa3200011d2\", \"_rev\": \"1-f6e356bbf6ab09290aae11132af50d66\",
I have a function which needs to be called on a lot of files (1000\'s). Each is independent of another, and can be run in parallel. The output of the function for each of the files does not need to be
I\'m looking at this chart... http://www.mongodb.org/display/DOCS/MongoDB,+CouchDB,+MySQL+Compare+Grid
I\'m trying to run a Disco job using map and reduce functions that are deserialized after being passed over a TCP socket using the mar开发者_如何学Goshal library. Specifically, I\'m unpacking them wit
I want to sort a big dataset efficiently (i.e. with a custom partitioner, like described here: How does the MapReduce sort algorithm work?)开发者_开发技巧, but I want to do it with hive.
I\'m getting started with using python\'s mrjob to convert some of my long running python programs into MapReduce hadoop jobs. I\'ve gotten the simple word count examples to work and I conceptually un
I need to generate a vector of u开发者_JAVA百科nigrams, i.e. a vector of all the unique words which appear in a specific text field that I have stored as part of a broader JSON object in MongoDB.
I am new to hadoop and I am learning by using few examples. I am currently trying to pass a file with random integers on it. For each and every number i w开发者_运维知识库ant it to be double base on t
I\'m using Cloudera\'s Hadoop distribution CDH-0.20.2CDH3u0. Is there any way I could the information such as 开发者_如何学Cjobtracker status, tasktracker status, counters using a JAVA program running
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