How many maximum jvm can run on a slave node?
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What is a Record Reader in hadoop?
what factors the block size takes before creation?
when hadoop enter in safe mode?
Which one is default InputFormat in Hadoop ?
How many instances of a jobtracker run on hadoop cluster?
Can Apache Kafka be used without Zookeeper?
Can we do online transactions(oltp) using hadoop?
Which is the best hadoop certification?
What is output format in hadoop?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
How to keep HDFS cluster balanced?
How is the option in Hadoop to skip the bad records?
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