Hadoop technology
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A multi-node Hadoop cluster
RAM
HDD
RAM
HDD
1. Pull transaction log
4.Push
2. Merge changes
3.Store to HDD
Primary name-node Secondary name node
•Cost Saving and efficient and reliable data processing •Provides an economically scalable solution•Storing and processing of large amount of
data•Data grid operating system• It is deployed on industry standard
servers rather than expensive specialized data storage systems.• Parallel processing of huge amounts of
data across inexpensive, industry-standard servers.
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