拖累 发表于 2025-3-21 17:19:13
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HCatalog,aintains metadata so that users can run any number of queries on already created tables. However, data processing technologies such as MapReduce and Pig do not have a built-in metadata service, so users must define a schema each time they want to run a query.curettage 发表于 2025-3-22 01:26:40
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Yun Zhai,Alper Yilmaz,Mubarak Shahies also interact with one another. For instance, a certain step n in the workflow can be executed if and only if step n-1 has been successfully executed. Manually executing each of these multiple steps is time-consuming. Apache Oozie addresses this problem by providing dependency management among dSYN 发表于 2025-3-22 14:07:35
Joaquim Arlandis,Paul Over,Wessel Kraaijaintains metadata so that users can run any number of queries on already created tables. However, data processing technologies such as MapReduce and Pig do not have a built-in metadata service, so users must define a schema each time they want to run a query.biopsy 发表于 2025-3-22 17:16:25
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http://reply.papertrans.cn/19/1823/182231/182231_8.pngextinct 发表于 2025-3-23 04:45:58
Yun Zhai,Alper Yilmaz,Mubarak Shahies also interact with one another. For instance, a certain step n in the workflow can be executed if and only if step n-1 has been successfully executed. Manually executing each of these multiple steps is time-consuming. Apache Oozie addresses this problem by providing dependency management among different steps and technologies.手势 发表于 2025-3-23 07:05:48
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