What is a heartbeat in HDFS?
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What is HDFS High Availability?
How to enable/configure the compression of map output data in hadoop?
How can I install Cloudera VM in my system?
How the HDFS Blocks are replicated?
What is oozie in hadoop?
Whats is distributed cache in hadoop?
What is MapFile?
What is Safemode in Apache Hadoop?
What are the port numbers of namenode, job tracker and task tracker?
What does job conf class do?
What is the default block size in hdfs?
What is difference between split and block in hadoop?
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