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HDFS scalability: the limits to growth

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Abstract:

 

The Hadoop Distributed File Sys-tem (HDFS) is an open source system currently being used in situations where massive amounts of data need to be processed. Based on experience with the largest deployment of HDFS, I provide an analysis of how the amount of RAM of a single namespace server correlates with the storage capacity of Hadoop clusters, outline the advantages of the single-node namespace server architecture for linear performance scaling, and establish practical limits of growth for this architecture. This study may be applicable to issues with other distributed file systems.

 

 

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