In Hadoop API ver. 0.20 and above the Context object was introduced instead JobConf. I need to find out using Context object:
I want to chain 2 Map/Reduc开发者_如何学编程e jobs. I am trying to use JobControl to achieve the same. My problem is -
Is there anyway I can delete all the temporary map reduce collections? I read you can pass a parameter boolean, to either keep or delete the collections. ut the parameter is for the shell, and I use t
I have a pipeline that I currently run on a large university computer cluster.For publication purposes I\'d like to convert it into mapreduce format such that it could be run by anyone on using a hado
I am trying to build a collaborative filtering based Recommendation System as part of an academic project. I think Mahout project has a lot of potential and I want to use it.
I have a lot of trivially parallelizable computations and a lot (100s) of cores distributed overs SSH + NFS network.
I am trying to use AppEngine-MapReduce. I understand ho开发者_运维知识库w to perform an operation over all entities of some entity_kind, but what is the easiest way to only operate on entities over a
I am using Google App Engine mapreduce to analyze some data. I am generating a few counters that I would 开发者_开发知识库like to create a simple Google chart from in my done_callback. How do I access
I am doing some text processing using hadoop map-reduce jobs. My job is 99.2% complete and stuck on last map job.
I have a long history with relational databases, but I\'m new to MongoDB and MapReduce, so I\'m almost positive I must be doing something wrong. I\'ll jump right into the question. Sorry if it\'s long
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