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License: MIT License
Hadoop Replicating Filesystem
License: MIT License
Hadoop Replicating FileSystem What is it? ----------- The Hadoop Distributed Filesystem (HDFS) is a modern distributed filesystem implementation, built upon the Hadoop distributed architecture platform. By using the API and facilities within hadoop, HDFS proves to be a fault tolerant system that is capable of streaming data to and from constituent nodes. However, there is a catch: HDFS’ use of a single Nameserver for metadata and filesystem operation management becomes a bottleneck under the wrong workload. The Hadoop Replicating FileSystem (HRFS/hrfs) aims to solve this problem by distributing file data and metadata replicants to participating data nodes. In doing so, it hrfs increases the availability of the data, and provide higher throughput for more desired content. It incorporates a modular design that facilitates fault tolerance by removing single points of failure within the system as a whole. Further, hrfs aims maintain a dynamic level of replicas for file content, such that replicas from alternative hrfs nodes may service requests when the one node is under duress. With increased availability comes the need to effectively gather it in a large cluster, this is achieved through late binding of the request for file data; When a request for a file occurs, the the least loaded hrfs node will shall be the one to actually serve the content. The latest Version ------------------ The latest version and details can be found on GitHub, https://github.com/WillDignazio/hrfs/. Documentation ------------- The documentation for Hrfs can be generated with maven, and can be invoked with: $ mvn javadoc:javadoc $ cd target/site/apidocs $ python -m SimpleHTTPServer 8080 This will generate the documentation for hrfs, and render it as a browsable source on http://localhost:8080/. Further documentation can be found in docs/, which contains various design and configuration information. Licensing --------- Please see the file called LICENSE. Contacts -------- * For all issues and bug fix submissions, please use the GitHub interface at https://github.com/WillDignazio/hrfs/. * For questions, comments, and other project related requests, email wdignazio(at)gmail(dot)com or mxkvcs(at)rit(dot)edu.
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