data - 随笔分类(第13页) - papering

如何：执行大型 XML 文档的流式转换大XML文件解析入库的一个方法

摘要：w Parsing Huge XML Files Incrementally Parsing Huge XML Files Incrementally Parsing Huge XML Files Incrementally http://pclib.github.io/safari/program 阅读全文

posted @ 2017-05-03 11:10 papering 阅读(318) 评论(0) 推荐(0)

数据库业界

摘要：w yaoxing.zhang@mongodb.com 转变思路：根据读写模式而不是范式设计数据模型积累经验：了解常见的数据结构对应的模式理解思想：数据是应用的一部分，随应用一起迭代模式演化{_id: Object Id(“…”),level: “Fatal”,message: “Shit jus 阅读全文

posted @ 2017-05-02 20:23 papering 阅读(161) 评论(0) 推荐(0)

2014 MapReduce

摘要：The prototypical MapReduce example counts the appearance of each word in a set of documents:[14] Here, each document is split into words, and each wor 阅读全文

posted @ 2017-04-25 08:19 papering 阅读(256) 评论(0) 推荐(0)

Extract, Transform, Load

摘要：w https://en.wikipedia.org/wiki/Extract,_transform,_load 阅读全文

posted @ 2017-04-25 01:16 papering 阅读(168) 评论(0) 推荐(0)

kaggle

摘要：w https://www..com 阅读全文

posted @ 2017-04-23 19:27 papering 阅读(126) 评论(0) 推荐(0)

Time-series Storage Layer Time Series Databases 时间序列

摘要：w 关于时间序列数据库的思考-CSDN.NET http://www.csdn.net/article/2015-07-13/2825192 存储和处理时间序列数据（“Time Series Databases”第三章） https://segmentfault.com/a/119000000279 阅读全文

posted @ 2017-04-22 01:38 papering 阅读(206) 评论(0) 推荐(0)

离散数学图论

摘要：连通距离直径离心率 eccentricity diameter https://zh.wikipedia.org/wiki/图论术语如何学习数据结构？ - 知乎 https://www.zhihu.com/question/21318658/answer/63652147 数据结构的本质就在阅读全文

posted @ 2017-04-16 09:36 papering 阅读(808) 评论(0) 推荐(0)

压缩图片大图上传

摘要：小结： 1、jpeg这个协议本身就支持调整图片质量的 glup 压缩图片大图上传 Golang压缩Jpeg图片和PNG图片 - 员力 - 博客园 https://www.cnblogs.com/lianggx6/p/12684885.html 阅读全文

posted @ 2017-02-17 18:20 papering 阅读(164) 评论(0) 推荐(0)

xpath-grab english name

摘要：http://www.world-english.org/boys_names-j-l.htm w http://ename.dict.cn/list/male/F/4 http://babynames.net/all/starts-with/d?page=2 阅读全文

posted @ 2017-02-14 15:51 papering 阅读(277) 评论(0) 推荐(0)

Googlebot (Google Web search)

摘要：w推测“域名解析过程中，Google crawlers中首先是Googlebo中的Google Web search上阵”。 https://support.google.com/webmasters/answer/1061943?hl=en Crawl Monitor crawling activ 阅读全文

posted @ 2017-01-25 09:26 papering 阅读(727) 评论(0) 推荐(0)

牛顿冷却定律用户兴趣热度

摘要：http://club.alibabatech.org/salon_detail.htm?salonId=67 阅读全文

posted @ 2017-01-13 11:52 papering 阅读(301) 评论(0) 推荐(0)

Design Patterns

摘要：w 24-1缓存旁置-2断路器模式 https://msdn.microsoft.com/en-us/library/dn568099.aspx Figure 1 - Using the Cache-Aside pattern to store data in the cache Figure 1 阅读全文

posted @ 2017-01-13 10:53 papering 阅读(153) 评论(0) 推荐(0)

ipv4 ipv6 求字符串和整数一一映射的算法 AmazonOrderId

摘要：字符串和整数一一映射的算法公司每人的英文名不同，现在给每个英文名一个不同的数字编号，怎么设计？走ipv4/6 2/32 2/128就够了，把“网段”概念对应到“表或库”，ip有a_e5类，这概念都可以引过来和时间年月日店铺 sellid marketplaceid amazon 平台参数阅读全文

posted @ 2017-01-12 19:55 papering 阅读(365) 评论(0) 推荐(0)

Example Bookstore schema showing how data is sharded DATABASE SHARDING

摘要：w公共查询表复制至每一个碎片 http://www.agildata.com/database-sharding/ In the Bookstore example, the Primary Shard Table is the ‘customer’ entity. This is the tabl 阅读全文

posted @ 2017-01-12 18:49 papering 阅读(234) 评论(0) 推荐(0)

When Database Sharding is Appropriate DATABASE SHARDING

摘要：w横切 http://www.agildata.com/database-sharding/ When Database Sharding is Appropriate Database Sharding is an excellent fit for many types of business 阅读全文

posted @ 2017-01-12 18:48 papering 阅读(167) 评论(0) 推荐(0)

Database Sharding Challenges DATABASE SHARDING

摘要：w分布式查询、数据聚合、跨碎片join是可且应避免的、自增主键管理、基于-会话/事务/语句-选择碎片、通过-主键/模块/碎片索引-碎片化数据 http://www.agildata.com/database-sharding/ Database Sharding Challenges Due to 阅读全文

posted @ 2017-01-12 18:47 papering 阅读(201) 评论(0) 推荐(0)

Database Sharding, The “Shared-Nothing” Approach DATABASE SHARDING

摘要：w将单个服务器上的单个数据库打碎为多个服务器上的单个数据库 http://www.agildata.com/database-sharding/ Database Sharding provides a method for scalability across independent server 阅读全文

posted @ 2017-01-12 17:51 papering 阅读(201) 评论(0) 推荐(0)

Database Partitioning Options DATABASE SHARDING

摘要：w主写从读、集群节点间时时内存复制、单表横切纵切、分析报表系统通过服务器联表 http://www.agildata.com/database-sharding/ Database Partitioning Options It has long been known that database p 阅读全文

posted @ 2017-01-12 17:08 papering 阅读(234) 评论(0) 推荐(0)

What Drives the Need for Database Sharding? DATABASE SHARDING

摘要：wIO瓶颈 http://www.agildata.com/database-sharding/ What Drives the Need for Database Sharding? Database Sharding is a highly scalable approach for impro 阅读全文

posted @ 2017-01-12 17:06 papering 阅读(177) 评论(0) 推荐(0)

The Rise of Database Sharding DATABASE SHARDING

摘要：w玻璃碎片、0共享 http://www.agildata.com/database-sharding/ The Rise of Database Sharding The concept of Database Sharding has been gaining popularity over t 阅读全文

posted @ 2017-01-12 17:05 papering 阅读(152) 评论(0) 推荐(0)

papering

随笔分类 - data