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https://cwiki.apache.org/confluence/display/Hive/LanguageManual+LZO LanguageManual LZO LanguageManual LZO LanguageManual LZO Skip to end of metadata C 阅读全文
posted @ 2017-11-01 00:03
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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
posted @ 2017-10-31 23:45
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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
posted @ 2017-10-31 23:26
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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
posted @ 2017-10-31 21:51
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posted @ 2017-10-31 12:03
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posted @ 2017-10-30 23:43
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SQL processing uses the following main components to execute a SQL query: The Parser checks both syntax and semantic analysis. The Optimizer uses cost 阅读全文
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posted @ 2017-10-30 19:54
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posted @ 2017-10-30 14:58
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posted @ 2017-10-29 16:43
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posted @ 2017-10-29 15:59
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posted @ 2017-10-28 21:13
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posted @ 2017-10-28 09:26
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A page, memory page, or virtual page is a fixed-length contiguous block of virtual memory, described by a single entry in the page table. It is the sm 阅读全文
posted @ 2017-10-28 02:48
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posted @ 2017-10-27 21:46
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posted @ 2017-10-27 16:50
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posted @ 2017-10-27 16:06
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https://www.ibm.com/developerworks/cn/opensource/os-cn-kafka/index.html 周 明耀2015 年 6 月 10 日发布 示例：网络游戏 示例：网络游戏 假设我们正在开发一个在线网络游戏平台，这个平台需要支持大量的在线用户实时操作，玩 阅读全文
posted @ 2017-10-27 14:46
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实践 3） 通过连表mysql，字段值IS NOT NULL，实现数据分流 CREATE TEMPORARY TABLE `nocache_table_test` ( `device_id` STRING) WITH ( 'connector' = 'rds', 'username' = 'acfo 阅读全文
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