What is the purpose of DataNode block scanner?
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If a data Node is full how it's identified?
Can hive run without hadoop?
Is hadoop obsolete?
Explain what if rack 2 and datanode fails?
What stored in HDFS?
What is small file problem in hadoop?
How to resolve small file problem in hdfs?
What is DistributedCache and its purpose?
What are sink processors?
What is HDFS High Availability?
How the Client communicates with HDFS?
Mention what is the number of default partitioner in Hadoop?
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