What is the problem with HDFS and streaming data like logs
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How client application interacts with the NameNode?
What is the default block size in hdfs?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
How to change from su to cloudera?
What is high availability in hadoop?
Is hadoop a memory?
Where is the Mapper Output stored?
What are the limitations of importing RDBMS tables into Hcatalog directly?
Is a job split into maps?
How a task is scheduled by a jobtracker?
How many instances of a jobtracker run on hadoop cluster?
What is Apache Hadoop?