Extensibility of services (how to create scalable service instances, caches, and databases)

Label:Transferred from: http://www.cnblogs.com/loveis715/p/5097475.htmlWhen writing an application, we often consider how the application should implement specific business logic. However, with the gradual development of more and more users, these

Hash consistency algorithm

Label:Read Catalogue 1 Basic Scenarios 2 hash Algorithm and monotonicity Principle of the 3 consistent hashing algorithm 4 Virtual nodes 5 Summary Back to top 1 basic scenesFor example, if you have n cache server

Memcache's consistent hash algorithm uses

Label:Memcache is a distributed cache system, but it does not provide clustering capabilities, which can easily become a bottleneck in large-scale applications. However, the client can be freely extended at this time and implemented in two phases.

python3.x and 2.x difference

Label:1. PerformancePY3.0 runs Pystone benchmark slower than Py2.5 by 30%. Guido that Py3.0 has great space for optimization, and can be used in string and shaping operations.To achieve a good result of optimization.Py3.1 performance is 15% slower

"My book" Unity Shader Book-folder (2015.12.21 update)

Label: Write in frontThanks for all the friends who came in to see. That's right. I'm going to write a book about unity shader right now.The purpose of the book is as follows: Summarize my experience with unity Shader and give others a

First week homework

Label:First of all sorry so so so late to hand in, please teacher understanding, sorry sorry.Special thanks: I thank Mr. Yang for giving me the opportunity to inspire and do projects in this class, and the two chicken soup is really the courage to

EntityFramework 7 renamed to EntityFramework Core (pre-release status)

Label:ObjectiveRecently seldom to learn and explore new things, especially the EF field that has been more concerned about before, itself is not too lazy, but suffering from the environment compared to affect their own mood, so slow to write, but do

Understanding of the operating system

Label:1. Definitions and concepts of computer operating systems:The operating system (Operating system, or OS) is the system software that supports the operating environment of the application and the user operating environment in the electronic

hash+ linked List

Label:The simple hash is to use the combination of array plus list to achieve, this hash is very simple, but the idea of hash in that.#ifndef _hash_h_#define _hash_h_typedef struct _listnode{struct _listnode *prev;struct _listnode *next;void *data;}

Apr not found,apr-util not found,pcre,

Label:1. Download the required packages (this download link is verified by the author to use):wget http://archive.apache.org/dist/apr/apr-1.4.5.tar.gzwget http://archive.apache.org/dist/apr/apr-util-1.3.12.tar.gzwget wget Http://jaist.dl.sourceforge.

4-3-string block chain storage structure-string-4th chapter-"Data structure" textbook source code-Min 聯繫 version

Label:Textbook Source Code section4th Chapter Series- block chain string--"Data structure"-Min. 聯繫 versionSource code Use instructions link??? data Structure-C language edition (Min, 聯繫 version) textbook source + problem sets analysis using

Using Lex---01

Label:(i), written in frontLex is a tool for building lexical analysis programs. The lexical analysis program marks the random input stream and splits it into lexical tags. The labeled output can then be processed further, usually by YACC, or he

Ant Bites the elephant's zookeeper learning process

Tags: zookeeper clustered Docker installation Centos7 Dockerfile buildAnt 01 Eats Elephant:# Author of this article-Liu Xiaotao# creation Time: 2016-1-26:22:30# Time to complete: 2016-1-27-23:11I am not smarter than others, learning things are slow,

Wiki Grammar Encyclopedia

Label:Wiki Grammar Encyclopedia Editing a wiki page is easy. Just click on "edit this page" or the [edit] link on the right to modify the page, or click on "Discussion page" and then click "Edit Page" to discuss the

char varchar varchar2 difference (RPM)

Label:Char varchar varchar2 the difference http://blog.csdn.net/honglei_zh/article/details/7172538Difference:1. The length of the char is fixed, and the length of the VARCHAR2 is changeable, for example, storing the string "abc", for Char (20),

CRC Calibration Method

Label:1 , cyclic check code (CRC code):Is the most commonly used error check code in the field of data communication, its characteristic is that the length of information field and check field can be arbitrarily selected.2 , the basic principle of

Entity Framework 6 Recipes 2nd Edition (11-1)---return a scalar value from the model definition function

Label:Section One Chapters functionThe function provides a powerful code reuse mechanism and keeps your code concise and understandable.They are also the database layer code that EF can use when it runs. There are several classes of functions:

Distributed Service Framework Zookeeper--managing data in a distributed environment

Label:Transferred from: http://www.ibm.com/developerworks/cn/opensource/os-cn-zookeeper/Zookeeper Distributed Service Framework is a sub-project of Apache Hadoop, which is mainly used to solve some data management problems commonly encountered in

2016 five trends in the development of China's call center Knowledge Base

Tags: call center Knowledge Base trendsin the era of shortage economy, production is sales, as long as the production of products, whether good or bad, can always be sold out, later in the era of homogeneous competition, lower prices and increase

Load balancing based on L3/4 load

Label:L3/4 Load Balancing    Another common load balance is L3/4 load balancing. The L3/4 actually means that the load balancing server is load-balanced based on the data contained in the third layer of the network layer and layer fourth Transport

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