What is Rack awareness?
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What is a task instance in hadoop? Where does it run?
What is salary of hadoop developer?
Which files are used by the startup and shutdown commands?
What other technologies have you used in hadoop sta ck?
On What concept the Hadoop framework works?
What is a “Distributed Cache” in Apache Hadoop?
Mention what is the use of Context Object?
what factors the block size takes before creation?
What is the communication channel between client and namenode/datanode?
Define a commodity hardware? Does commodity hardware include ram?
What is the default block size in hdfs?
what is the default replication factor in HDFS?
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