What are the problems with Hadoop 1.0?
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what is the typical block size of an HDFS block?
Is a job split into maps?
Can you give us some more details about ssh communication between masters and the slaves?
Is client the end user in HDFS?
What are different hdfs dfs shell commands to perform copy operation?
What is a heartbeat in HDFS?
Which are the two types of 'writes' in HDFS?
How many Daemon processes run on a Hadoop system?
What is the heartbeat used for?
Define a job tracker?
Explain how input and output data format of the hadoop framework?
What do you know by storage and compute node?
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