What does rack awareness algorithm means?
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What are configuration files in Hadoop?
What are the side effects of not running a secondary name node?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
Which port does SSH work on?
Do we require two servers for the namenode and the datanodes?
Which one is default?
Can we use windows for hadoop?
What are the most common InputFormats in Hadoop?
What does block mean?
Why does one remove or add nodes in a Hadoop cluster frequently?
What is difference between secondary namenode, checkpoint namenode & backupnode?
What is the non dfs used?
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