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  4. How HDFS Does Replication

How HDFS Does Replication

Rodrigo De Castro user avatar by
Rodrigo De Castro
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Aug. 15, 12 · Interview
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As I learned about HBase and HDFS, I wanted to understand how HDFS actually does its replication, whether it's an synchronous replication, what is the flow. As it turns out, it wasn't easy to find the answers to these questions, but I ran into a very good page on the internals and how HDFS works that is worth sharing:

Understanding Hadoop Clusters and the Network

Another aspect of HBase and HDFS is the ingenuity of having a filesystem that is good enough for Hadoop and then building a database on top of it, without reinventing the wheel. Kudos to Google for their work on GFS, MapReduce, and BigTable, which inspired the open source implementations.

 

 

hadoop Replication (computing)

Published at DZone with permission of Rodrigo De Castro, DZone MVB. See the original article here.

Opinions expressed by DZone contributors are their own.

Related

  • MySQL Multi-Source Replication
  • Building a Data Warehouse for Traditional Industry
  • Advantages and Disadvantages of Data Replication in Distributed Databases
  • What Are SpeedUp and ScaleUp in DBMS?

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