What happens to job tracker when namenode is down?
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What is difference between split and block in hadoop?
Explain the shuffle?
What is the difference between HDFS and NAS ?
Explain InputFormat?
What does /var/hadoop/pids do?
Can hive run without hadoop?
What if a namenode has no data?
Is hadoop a memory?
What is HDFS ? How it is different from traditional file systems?
how to share the metastore within multiple users?
Explain the difference between NameNode
Define a task tracker?
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