How to write output to multiple named files in Hadoop using MultipleTextOutputFormat
1) Which big data processing system you choose to use for your transformed data? Why? 2) Overview or Explanation on your big data processing s
1) Whether you did data transformation process or not. If you did, what data transformation you have to do to process your unstructured/semi struc
1) Your data source : Where your data was downloaded from 2) What did you have to do to download the data to your Hadoop system: Which API or me
if i increase replication factor . what will happen ?
how would you modify that solution to only count the number of unique words in all the documents?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What is a Task Tracker in Hadoop? How many instances of TaskTracker run on a Hadoop Cluster
The four basic parameters of a mapper are LongWritable, text, text and IntWritable. The first two represent input parameters and the second two repres
By default the type input type in MapReduce is text
In order to read/write 64MB of hadoop data blocks, I guess HDFS has to communicate with the native file system(Correct me if I am wrong). How this com
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
What is a IdentityMapper and IdentityReducer in MapReduce ?
When is the reducers are started in a MapReduce job?
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