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Hadoop General Interview Questions
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What is the most widely recognized info formats characterized in hadoop?

 229

Clarify what webdav is in hadoop?

 221

Clarify how job tracker schedules an assignment?

 243

What jobtracker is in hadoop? What are the activities followed by hadoop?

 243

Clarify how ordering in hdfs is finished?

 248

What a task tracker is in hadoop?

 239

What webdav is in hadoop?

 229

Specify what the information segments utilized by hadoop are?

 236

Clarify what is sqoop in hadoop?

 225

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

 234

What does rack awareness algorithm means?

 248

What does the high availability of a name-node means? How is it accomplished?

 228

What does name-node mean in hadoop?

 248

What is check pointing in hadoop?

 248

What does secondary name-node means?

 234

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Un-Answered Questions { Hadoop General }

What webdav is in hadoop?

229

How to create the directory when name node is in safe mode?

269

Ideally what should be the block size in hadoop?

246

What is streaming access?

246

What is heartbeat in hadoop?

236




How to restart NameNode or all the daemons in Hadoop?

304

What is a single point of failure in Hadoop 1 and how is it resolved in Hadoop 2?

262

What is replication factor?

243

What is the purpose of RecordReader in hadoop?

229

What is Balancer in Hadoop?

216

What are the tools used in big data?

222

For using hadoop list the network requirements?

219

What is a namenode?

220

What are the benefits yarn brings in to hadoop?

228

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

243

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