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6 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Data Types |
Any kind of data can be stored into Hadoop i.e Be it structured, unstructed or semi-structured |
structures |
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Processing |
Hadoop allows us to process the data which is distributed across the cluster in a parallel fashion. |
distrubuted |
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Schema on Read |
Hadoop follws 'schema on read' policy.
Write once read many environment (WORN)
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Read/write speed |
The writes are fast in HDFS because no schema validation happens during HDFS write. |
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Cost |
Hadoop is an open source framework |
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Best Fit Use Case |
Hadopp is used for Data discovery, ELT, data analytics or OLAP systems. |
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