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Go through official docs For the official docs of Yarn node label, plase see here. Overview Node label is a way to group nodes with similiar character 阅读全文
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Abstract Classical strategies do not aware of recovery cost, which could cause system performance degradation. --> a cost aware eviction strategt can 阅读全文
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Summary Spark does not have a good mechanism to select reasonable RDDs to cache their partitions in limited memory. --> Propose a novel selection algo 阅读全文
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Join(SQL) An SQL join clause combines columns from one or more tables in a relational database. It creates a set that can be saved as a table or used 阅读全文