How Hadoop scalabality linear or proportional depends on the number of nodes?

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Hi,

According to Hadoop processing capacity scales linearly, but not proportional to the number of nodes. Is there any analysis about this?
May 28 in Big Data Hadoop by naina
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Hey,

These jobs are often IO based not CPU based. Adding more disks and modifying the data.dir settings allow each node to write more concurrently.

It is not about space always but the processing will be faster and concurrent.

answered May 28 by Gitika
• 17,130 points

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