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原文地址:http://soft.chinabyte.com/database/431/12914931.shtml概述 什么是Spark ◆ Spark是UC Berkeley AMP lab所开源的类HadoopMapReduce的通用的并行计算框架,Spark基于map reduce算法实... 阅读全文
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原文地址:https://gist.github.com/maxivak/3e3ee1fca32f3949f052Install Solrdownload and install Solr fromhttp://lucene.apache.org/solr/.you can access Solr ... 阅读全文
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Gaps in auto-increment values for“bulk inserts”Withinnodb_autoinc_lock_modeset to 0 (“traditional”) or 1 (“consecutive”), the auto-increment values g... 阅读全文
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11.3.5Automatic Initialization and Updating for TIMESTAMP and DATETIME原文地址:https://dev.mysql.com/doc/refman/5.6/en/timestamp-initialization.htmlAs of ... 阅读全文