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Big Data Overview - New
Transcript of Big Data Overview - New
what is big data?
"big data is when the size of the data becomes part of the problem." (Roger Magoulas)
High Availability namenode
Distributed data storage
and computing on
The Hadoop Ecosystem
Text files have no schema
MapReduce is hard to learn
Need a place for ad-hoc analysis
Run SQL on Hadoop
(Data on HDFS)
Managed vs External tables
A typical Data Infrastructure