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Vivek Krishna

on 4 May 2010

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Transcript of DS_Presentation

Hadoop Coda Replication Crash Recovery Initialization Replication Fail Over Leader Election IP Address Traslation Metadata Replication Server Replication Transaction Model Site Failures failure of single, multiple site, recovery simple, multiple by Vivek Krishna Availability Scalability Strategy Cache Coherence Parallel Communication The End. SPOF Low Overhead Flexible Configuration high Scalability address the range of failures Fail Over Disconnected Operation Cache Misses Reintegration Voluntary Disconnection Network Partitioning Using NDFAs [1] D. Skeen , M. Stonebraker, A Formal Model of Crash Recovery in a Distributed System, IEEE Transactions on Software Engineering, v.9 n.3, p.219-228, May 1983 [doi>10.1109/TSE.1983.236608]

[2] Wang, F., Qiu, J., Yang, J., Dong, B., Li, X., and Li, Y. 2009. Hadoop high availability through metadata replication. In Proceeding of the First international Workshop on Cloud Data Management (Hong Kong, China, November 02 - 02, 2009). CloudDB '09. ACM, New York, NY, 37-44. DOI= http://doi.acm.org/10.1145/1651263.1651271

[3] M. Satyanarayanan, J.J. Kistler, P. Kumar, M.E. Okasaki, E.H. Siegel, D.C. Steere, "Coda: A Highly Available File System for a Distributed Workstation Environment," IEEE Transactions on Computers, pp. 447-459, April, 1990
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