Understanding Cubert Concepts(一)Partitioned Blocks Cubert Concepts 对于Cubert,我们要理解其核心的一些概念,比方BLOCK.这些概念也是差别于传统的关系型范式(Pig.Hive)等数据处理流程并使得Cubert在大规模数据下JOIN和Aggregation中取胜的关键因素. (自己測下来,CUBE的计算效率比Hive高好多倍. ) BLOCK Cubert定义了一个BLOCK的概念.分为两种:Partitioned Bloc…
· LinkedIn Cubert安装指南 · Understanding Cubert Concepts(一)Partitioned Blocks · Understanding Cubert Concepts(二)Co-Partitioned Blocks 原创文章,转载请注明: 转载自:OopsOutOfMemory盛利的Blog,作者: OopsOutOfMemory 本文链接地址:http://blog.csdn.net/oopsoom/article/details/46707733…
Basic Concepts There are a few concepts that are core to Elasticsearch. Understanding these concepts from the outset will tremendously help ease the learning process. 有一些概念是Elasticsearch的核心.从一开始就理解这些概念将极大地帮助简化学习过程. Near Realtime (NRT) Elasticsearch i…
https://www.elastic.co/guide/en/elasticsearch/reference/current/getting-started-concepts.html There are a few concepts that are core to Elasticsearch. Understanding these concepts from the outset will tremendously help ease the learning process. Near…
Configuration Inserting log requests into the application code requires a fair amount of planning and effort. Observation shows that approximately 4 percent of code is dedicated to logging. Consequently, even moderately sized applications will have t…
原文: https://codingthesmartway.com/getting-started-with-rxjs-part-1-setting-up-the-development-environment-creating-observables/ ---------------------------------------------------------------- Getting Started With RxJS – Part 1: Setting Up The Develo…
最近在看这本书,比较实用.抽点时间把公开的部分内容简单的翻译了一下,下文是序部分. 书的具体地址为: http://www.amazon.cn/Metaprogramming-in-NET-Hazzard-Kevin/dp/1617290262/ref=sr_1_1?ie=UTF8&qid=1374625885&sr=8-1&keywords=Metaprogramming++in+.NET 序 对元编程这个问题,我从三个方面的经验进行阐述:作为一个计算机科学家,业务开发员,以及.…
Gumshoe - Microsoft Code Coverage Test Toolset 2014-07-17 What is Gumshoe? How to instrument a binary? step-by-step instruction Step 1: Install GumShoe Step 2: Instrument binary Step 3: Rename the binaries as follows and copy to run path Step4: Start…
AngularJS is a huge framework with that already has many performance enhancements built in, but they can’t solve all our problems. No matter how fast the framework, we can all create sluggish code through bad practices and not understanding key conce…
原文链接:http://docs.spring.io/spring/docs/current/spring-framework-reference/html/transaction.html 12. Transaction Management 12.1 Introduction to Spring Framework transaction management Comprehensive transaction support is among the most compelling rea…