How many maximum jvm can run on a slave node?
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On what basis data will be stored on a rack?
What do masters consist of?
What is the meaning of speculative execution in Hadoop? Why is it important?
What is safe mode in Hadoop?
What problems can be addressed by using Zookeeper?
Do we need to give a password, even if the key is added in ssh?
What is partioner in hadoop? Where does it run,mapper or reducer?
What are the benefits of block transfer?
Is hadoop open source?
What is the Use of SSH in Hadoop ?
How to configure hadoop to reuse JVM for mappers?
What is a Combiner?
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