10 2014 档案

摘要:首先,Linux的官方文档FHS对该目录的说明:http://www.linuxbase.org/betaspecs/fhs/fhs/ch04s09.htmlThe/usr/localhierarchy is for use by the system administrator when inst... 阅读全文
posted @ 2014-10-29 13:37 hare101 阅读(2428) 评论(0) 推荐(0)
摘要:elaborate:详细说明Data TypesJava categorizes data into different types, and only certain operationscan be performed on a particular type of data. Data typ... 阅读全文
posted @ 2014-10-27 15:03 hare101 阅读(470) 评论(0) 推荐(0)
摘要:Babylon巴比伦loom织布机weaver, WHO uses loom to workcensus: to count the populationtabulate: make into being tablehand-held deviceself-explanatory for a nov... 阅读全文
posted @ 2014-10-23 08:57 hare101 阅读(192) 评论(0) 推荐(0)
摘要:http://zookeeper.apache.org/doc/trunk/zookeeperStarted.htmlWhat is ZooKeeper?ZooKeeper is a centralized service for maintaining configuration informat... 阅读全文
posted @ 2014-10-22 15:43 hare101 阅读(355) 评论(0) 推荐(0)
摘要:以下内容由http://hbase.apache.org/book.html#getting_started节选并改编而来。运行环境:hadoop-1.0.4,hbase-0.94.22,jdk1.7.0_65Chapter1.Getting Startedcreate a table in HBa... 阅读全文
posted @ 2014-10-22 12:40 hare101 阅读(1330) 评论(0) 推荐(0)
摘要:Hbase is a distributed data storage systems.A Bigtable is spare , distributed , persistent multidimensional sorted map. The map is indexed by a row ke... 阅读全文
posted @ 2014-10-22 08:53 hare101 阅读(395) 评论(0) 推荐(0)
摘要:初学者运行MapReduce作业时,经常会遇到各种错误,往往不知所云,一般直接将终端打印的错误贴到搜索引擎上查找,以借鉴前人的经验。对于hadoop而言,当遇到错误时,第一时间应是查看日志,日志里通产会有详细的错误原因提示。Hadoop MapReduce日志分为两部分,一部分是服务日志,一部分是作... 阅读全文
posted @ 2014-10-07 13:41 hare101 阅读(3017) 评论(0) 推荐(0)
摘要:Hadoop文件系统是一个抽象的概念,hdfs仅仅是Hadoop文件系统的其中之一。就hdfs而言,访问该文件系统有两种方式:(1)利用hdfs自带的命令行方式,此方法类似linux下面的shell命令;(2)利用hdfs的java接口,通过编写java程序来实现。操作环境:hadoop-1.0.4... 阅读全文
posted @ 2014-10-07 07:54 hare101 阅读(1856) 评论(0) 推荐(0)
摘要:论文类型Journal、magazin、transaction、letter等的区别http://blog.sina.com.cn/s/blog_5420e0000101a66m.html(2012-11-1811:03:56)一、主要分类Journal期刊:刊登关于某特殊主题的文章的期刊magaz... 阅读全文
posted @ 2014-10-01 14:31 hare101 阅读(1274) 评论(0) 推荐(0)