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ID:11652351
大小:1.18 MB
页数:28页
时间:2018-07-13
《基于oraclerac的数据仓库系统的开发》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、JDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ淘宝数据仓库环境介绍陈吉平淘宝网首席DBA,资深技术专家OracleACE《搭建Oracle高可用环境》一书作者DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ淘宝介绍•淘宝网(www.taobao.com)是国内领先的个人交易网上平台
2、,由全球最佳B2B公司阿里巴巴公司投资4.5亿创办,致力于成就全球最大的个人交易网站。自2003年5月10日成立以来,淘宝网基于诚信为本的准则,从零做起,在短短的半年时间,迅速占领了国内个人交易市场的领先位置...DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJDFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHD
3、SKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ¾淘宝数据仓库的发展历史¾淘宝数据仓库的现状¾淘宝数据仓库的维护¾淘宝数据仓库的未来发展DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJDFSGSJDFKGHERUHJKDHKLSHDKJHKSHK
4、FHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ单机-DELL6650IBM-P5504节点RAC环境12节点RAC环境计划扩展到20节点DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ20042006200720
5、08DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ¾当时的可选方案zTeradata,在ebay有成功案例zOracleRac,对淘宝来说,技术比较成熟¾主要考虑的问题:z1.效率,是否能快速的满足日常需求z2.开放性,开放系统还是选择封闭系统z3.可扩展性,包括线性扩展能力,对外接口等z4.成本因素DFSGSJDFKGHERUHJKDHKLSH
6、DKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ¾OracleRAC优点zOracle是一个相对开放的系统,文档很多zTaobao本身对Oracle的技术比较了解z在实际的测试中,Oracle表现比较优越z可以做到线性的扩展能力z成本不会高于Teradata¾OracleRAC缺点z对技术的要求相对比较高,需要DBA深入的优化DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHL
7、KGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJ数据源ODS计算展示DFSGSJDFKGHERUHJKDHKLSHDKJHKSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJOracle4节点RACODS层12节点RAC计算层DFSGSJDFKGHERUHJKDHKLSHDKJH
8、KSHKFHLKGHDLSFGHDSKLFHGLDKSFHGLKFGDSJDFJKDHFKAHGJHLKFHJHAKHFLJKDHFKLJASHDFKJHAKLDFHDLSFHKLDSJRealTime同步
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