Un-Answered Questions { Hadoop General }

Which port does SSH work on?

239


Is there another way to check whether Namenode is working?

236


What is the NameNode port number?

225


Give me an example of document database ?

249


What is the characteristic of streaming API that makes it flexible run MapReduce jobs in languages like Perl, Ruby, Awk etc.?

243


What are the four modules that make up the Apache Hadoop framework?

264


How does job tracker schedule a job for the task tracker?

273


What is 'jps'?

243


Explain about Hadoop file system and processing framework?

245


How Hadoop is cost-effective?

235


What does the mapred.job.tracker command do?

244


Is it possible to rename the output file, and if so, how?

239


What are the Hadoop features extended to its eco-system components ?

246


What is job tracker in Hadoop?

261


What sorts of actions does the job tracker process perform?

244