I\'m trying to develop a generic reporting engine for a MongoDB system which will aggregate information from a set of documents.I won\'t know the structure of the documents in advance of the query run
I am using Hadoop example program WordCount to process large set of small files/web pages (cca. 2-3 kB). Since this is far away from optimal file size for hadoop files, the program is very slow. I gue
I am implementing a haskell program which compares each line of a file with each other line in the file. Which can be implemented single threaded as follows
I was reading about Hadoop and how fault tolerant it is. I read the HDFS and read how failure of master and slave nodes can be handled. However, i couldnt f开发者_高级运维ind any document that mention
Simplifying my problem a bit, I have a set of text files with "records" that are delimited by double newline characters. Like
Somewhat of an odd question, but does anyone know what kind of sort MapReduce uses in the sort portion of shuffle/sort?I would think merge or insertion (in keeping with the whole MapReduce par开发者_如
I am trying to execute a Hadoop job on a remote hadoop cluster. Below is my code. Configuration conf = new Configuration();
I\'ve been struggling with this for hours... In my project, I have my models.py defined in folder \"project\", under the main root.I also have the mapreduce files in folder \"mapreduce\", inside the
I want to know if I can compare two consecutive jobs in Hadoop. If not I would appreciate if anyone can tell me how to proceed with that. To be precise, I want to compare the jobs in terms of what exa
开发者_C百科I want to write my own map and reduce function in mapreduce framework How can I do that??(my programming language is java)
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