I am working on a solution 开发者_如何学JAVAwhere I will have a Hadoop cluster with Hive running and I want to send jobs and hive queries from a .NET application to be processed and get notified when
I have a weird problem, DistributedCache appears to change the names of my files, it uses the original name as the parent folder and adds the file as a child.
I\'m trying to use JIT compilation in clojure to generate mapper and reducer classes on the fly. However, these classes aren\'t being recognized by the JobClient (it\'s the usual ClassNotFoundExceptio
I am running Hadoop 0.20.1 under SLES 10 (SUSE). My Map task takes a file and generates a few more, I then generate my results from these files. I would like to know where I should place these files,
I have simple text file containing two columns, both integers 1 5 1 12 2 5 2 341 2 12 and so on.. I need to group the dataset by second value,
I love Hadoop streaming for it\'s ability to quickly pump out quick and dirty one off map reduce jobs. I also love Hroovy for making all my carefully coded java accessible to a scripting language. Now
I\'m running a Hadoop job over 1,5 TB of data with doing much pattern matching. I have several machines with 16GB RAM each, and I always get OutOfMemoryException on this job with this data (I\'m using
I have a large set of text files in an S3 directory.For each text file, I want to apply a function (an executable loaded through bootstrapping) and then write the results to another text file with the
I have a \'large\' set of line delimited full sentences that I\'m processing with Hadoop.I\'ve developed a mapper that applies some of my favorite NLP techniques to it.There are several different tech
I\'m using Dumbo for some Hadoop Streaming jobs.I have a bunch of JSON dictionaries each containing an article (multiline text) and some meta data.I know Hadoop performs best when give large files, so
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