Facebook is one of Hadoop and big data’s biggest champions, and it claims to operate the largest single Hadoop Distributed Filesystem (HDFS) cluster anywhere, with more than 100 petabytes of disk space in a single system as of July 2012.Facebook runs the world’s largest Hadoop cluster. Just one of several Hadoop clusters operated by the company spans more than 4,000 machines, Facebook deployed Facebook Messages,its first ever user-facing application built on the Apache Hadoop platform.Apache HBase is a database-like layer built on Hadoop designed to support billions of messages per day.
Continue reading here from +Ashwani Agarwal
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