Which of the following has the largest hadoop cluster?

Question

a) Apple
b) Datamatics
c) Facebook
d) None of the mentioned

Answer 1

The correct answer is option C (Facebook). Facebook is using Hadoop for data warehousing and they are having the largest Hadoop storage cluster in the world.  Some of the properties of the HDFS cluster of Facebook is:

• HDFS cluster of 21 PB storage capacity
• 2000 machines (1200 machines with 8 cores each + 800 machines with 16 cores each)
• 12 TB per machine and 32 GB of RAM per machine
• 15 map-reduce tasks per machine

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You can watch this video on Hadoop by Intellipaat to get a quick start with Hadoop: