Un-Answered Questions { Hadoop General }

Mention what is distributed cache in hadoop?

233


Explain how can you debug hadoop code?

247


Explain how can you check whether namenode is working beside using the jps command?

250


Explain what is webdav in hadoop?

279


Mention what job does the conf class do?

239


For using hadoop list the network requirements?

221


Mention what is data cleansing?

236


What is a udf?

226


What is a record reader?

226


List out the different stream grouping in apache storm?

219


List out the some common problems faced by data analyst?

225


Why cloudera is used?

237


What are the benefits yarn brings in to hadoop?

230


Define “speculative execution” in hadoop?

239


What are the port numbers of job tracker?

286