重復數(shù)據(jù)刪除關(guān)鍵技術(shù)優(yōu)化研究及SRC路由協(xié)議設計
[Abstract]:The explosive growth of data volumes and massive concentration of data have led to a growing waste of space caused by data duplication, prompting the emergence and development of duplicate data elimination techniques. A million characters, more than 30,000 English words, all of which are made up of 26 simple English letters. Massive data is up to EB level, and duplicate data deletion technology is to discover the "letters" in massive data, and to delete duplicate data in the form of "letters" to achieve better storage space. Price ratio.
At present, the research work on duplicate data deletion has made a series of valuable achievements in the aspects of redundancy reduction, performance optimization and distributed routing algorithm, which effectively promote the application of this technology. Quality of Service Oriented (QoS-Oriented) needs to support the adjustability of QoS. The research goal is to establish a repetitive data deletion technology architecture based on multiple strategy design and optimization.
Firstly, this paper focuses on the technical architecture, key technologies and key indicators of duplicate data deletion, and establishes a duplicate data deletion prototype system. The redundancy engine is the key core of duplicate data deletion technology, including routing algorithm, data block warehouse, parallel pipeline control, network communication protocol. Secondly, routing algorithm is the key technology in distributed duplicate data deletion storage system, but the existing routing algorithm can not meet the efficiency of redundancy elimination, data migration and set. Therefore, this paper designs a Similarity Routing Based on Chord (SRC) routing algorithm based on Chord, and completes the convergence of the algorithm from the theoretical point of view. The consistency proves that the three stages of SRC routing algorithm are further elaborated. Finally, based on the analysis results of the three key technologies, the paper puts forward the three stages of SRC routing algorithm. Specific technical strategy improvements and optimization schemes are proposed, including index hierarchical optimization, data value based migration optimization and reader request reorganization based performance optimization.
In the process of system experiment, the distributed cluster environment is built, and the test data sets and experimental tools are selected to complete the test of read-write concurrent response time, cluster read-write ability, routing algorithm load balancing test, node fault tolerance test and so on. And the design of SRC routing algorithm has obviously overcome the hot bottleneck and performance defect in the original technology system. The research on the key technology of duplicate data deletion has been completed from multi-angle, deep-level and wide-field. The service quality of duplicate data deletion technology has been further improved, and the concept of green storage centered on duplicate data deletion technology has been promoted. Further application of cloud storage concept.
【學位授予單位】:山東大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:TP333
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