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- W2956156162 abstract "At present, the amount of data generated by high-energy physics experiments is increasing. When Hadoop, a large data processing platform, is used to process high-energy physics data, it is faced with the actual needs of data migration. However, the existing migration tools do not support data transmission between HDFS and other file systems, and their performance has obvious defects. Starting from the requirements of synchronization and archiving of high energy physical data, this paper designs and implements a universal mass data migration system. By extending the access mode of HDFS data, MapReduce is used to migrate data directly between HDFS data nodes and other storage systems/media. In addition, the system designs and implements the dynamic priority scheduling model, and evaluates and chooses the dynamic priority of multi-task. The system has been applied to data migration in large high altitude air shower Observatory (LHAASO) cosmic ray and other physical experiments. The actual operation results show that the system has good performance and can meet the data migration requirements of various experiments." @default.
- W2956156162 created "2019-07-12" @default.
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- W2956156162 date "2019-04-25" @default.
- W2956156162 modified "2023-09-27" @default.
- W2956156162 title "Development of Hadoop Massive Data Migration System" @default.
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- W2956156162 doi "https://doi.org/10.1007/978-3-030-15235-2_199" @default.
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