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https://avro.apache.org/docs/current/ Introduction Apache Avro™ is a data serialization system. Avro provides: Rich data structures. A compact, fast, 阅读全文
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https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/ArchivalStorage.html Introduction Archival Storage is a solution to decouple gr 阅读全文
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splittability CompressedStorage CompressedStorage CompressedStorage Skip to end of metadata Created by Confluence Administrator, last modified by Left 阅读全文
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http://cis.stvincent.edu/html/tutorials/swd/btree/btree.html Introduction A B-tree is a specialized multiway tree designed especially for use on disk. 阅读全文
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https://kafka.apache.org/intro.html 阅读全文
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https://kafka.apache.org/intro.html Kafka as a Messaging System How does Kafka's notion of streams compare to a traditional enterprise messaging syste 阅读全文
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limit 阅读全文
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rmds mapper 阅读全文
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https://spark.apache.org/sql/ Performance & Scalability Spark SQL includes a cost-based optimizer, columnar storage and code generation to make querie 阅读全文