Explain is it possible to search for files using wildcards?
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Can we deploy job tracker other than name node?
What is Distributed Cache in Hadoop?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
What jobtracker is in hadoop? What are the activities followed by hadoop?
How to use combiner in hadoop ?
What is the problem with small files in Hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware?
Can we use windows for hadoop?
What is Identity reducer?
Is it possible to rename the output file, and if so, how?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
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