ICACT 2018 Background High speed traffic SDN NFV Hardware Advantages High performace Disadvantages Cost high Hard to operate Update slowly Difficult to alter Solution General purpose device DPDK Router:Depart data and controlled plane Combine with DP…

CentOS / Redhat : Configure CentOS as a Software Router with two interfaces   Linux can be easily configured to share an internet connection using iptables. All you need to have is, two network interface cards as follows: a) Your internal (LAN) netwo…

Guideline - Performance - Software Requirements Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store because it can lead to a poor user experience should t…

打包上传被拒 Guideline 2.5.1 - Performance - Software Requirements 在项目中全部搜索:prefs:root 找到后,把这个私有的 NSURL *url = [NSURL URLWithString:@"prefs:root=WIFI"]; 改为 NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString]; 就可以了…

COMST 2018 主要内容 这是一篇有关快速包转发的综述,先介绍了包转发的有关基础知识和背景,具体介绍了包转发的主流方法,对这些方法进行了细致详尽的比较,最后介绍了最新的方法和未来的研究方向. 包处理包括Fast Path 和Slow Path,前者用于包转发和包头处理,后者主要用于管理.错误控制.维护. 主要的方法有三种:纯软件.纯硬件.软硬结合. 纯软件方法主要在软件层面(零拷贝.批处理.并行性.用户/内核空间)进行性能优化,性能不足的主要是因为网络协议栈架构的不足. 纯硬件方法性能高但…

The Acceptance Test Engineering Guide will provide guidance for technology stakeholders (developers, development leads, testers, test leads, architects, etc.) and business stakeholders (managers, customers, end users, etc) on the discipline of accept…

Understanding the Router Our module is coming along nicely. However, we're not really doing all that much yet; to be precise, all we do is display all blog entries on one page. In this chapter, you will learn everything you need to know about the Rou…

情况 情况是原本安装有jdk1.7,能正常运行,现在要升级到1.8. 直接在oracle的网站下载1.8安装后修改配置为1.8后: 能用javac编译成功,但java命令运行时报错: Failed reading value of registry key:        Software\JavaSoft\Java Runtime Enviroment\1.7\javaHomeError:could not find java.dll Error:could not find Java 2 R…

MySQL Router is a building block for high availability (HA) solutions. It simplifies application developmentby intelligently routing connections to MySQL servers for increased performance and reliability. MySQL Router 8 fully supports MySQL 5.7 and M…

1.Performance Software performance is one of software quality attributes,  it  equal to efficiency which define in latest ISO 9126 standard : Efficiency This characteristic is concerned with the system resources used when providing the required funct…

Research Code A rational methodology for lossy compression - REWIC is a software-based implementation of a a rational system for progressive transmission which, in absence of a priori knowledge about regions of interest, choose at any truncation time…

This small tutorial is based on my past 16+ years of experience in software development industry. I have gone through different stages in my career starting from trainee software developer till senior management. I do not want to keep my learnings to…

刚刚看见了,wrap device && reference device 区别在这里 https://msdn.microsoft.com/en-us/library/windows/desktop/ff476328(v=vs.85).aspx D3D_DRIVER_TYPE_WARP A WARP driver, which is a high-performance software rasterizer. The rasterizer supportsfeature levels …

----------------------------------------------------------------------------Welcome to the MASM32 SDK, fast track high performance software development.---------------------------------------------------------------------------- The MASM32 SDK has no…

A context switch (also sometimes referred to as a process switch or a task switch) is the switching of the CPU (central processing unit) from one process or thread to another. A process (also sometimes referred to as a task) is an executing (i.e., ru…

Drupal与大型网站架构(译)- Large-Scale Web Site Infrastructure and Drupal Linuxjournal 网站经典文章翻译,原文地址: Large-Scale Web Site Infrastructure and Drupal,由于主要按照内容翻译,非逐字翻译,不妥之处,请参考原文阅读. 时至今日,架设一个drupal网站已经是非常容易的了,直到网站规模开始变大, 那么你就需要花费很大的精力在查找和修复网站性能瓶颈上面.本文我们将谈到一些技术可…

计算所科研实践随笔 被淹没在论文海里的两个星期. 早上7:10分起床,草草洗漱,7:30出发,开始漫长的1小时通勤.从地铁站的安检口起,队便排的极长,让人看得头皮发麻.下到了轨道旁稍好,但每趟呼啸而来的地铁里都是满满当当,常常要等2,3趟我才能有幸站上去.我从不奢望座位.在等一趟不那么满的地铁的过程中,有时很满的地铁来了,门易开人墙难开,门快关时有些赶得急的人就踏上地铁背过身来拼命地往后压,最后强行挤出了个位置来,我在外面看得见那努力的表情. 虽说这行为不大雅观,素质上可能偏向于负面,但我脑子里…

开发者在开发应用程序之前,熟悉苹果审核应用的技术.内容以及设计准则是非常重要的,可以大大降低应用审核被拒的可能性. 最近,苹果通过一个专门的页面给出了截止2016年10月10日应用提交审核被拒的十大原因,大约有67%的开发者因为这十个原因被拒绝,其中开发者应用被拒的首要原因是应用的完整性. 苹果给出了应用被拒top 10原因,如下: 21% Guideline 2.1 – Performance: App Completeness 16% More Information Needed 8%  …

这里介绍对文件first.c的基本GDB调试操作,只有部分命令,只是一个示例,运行环境为装有gcc编译器和gdb调试器的Linux环境,基本GDB调试命令如下表: 命令                描述backtrace(或bt)  查看各级函数调用及参数finish            连续运行到当前函数返回为止,然后停下来等待命令frame(或f)       帧编号 选择栈帧info(或i)        locals 查看当前栈帧局部变量的值list(或l)        列出源代码…

最近iOS 审核被拒,说是使用了私有API:com.apple.springboard.lockcomplete 具体内容如下: 发件人 Apple . Performance: Software Requirements Guideline - Performance - Software Requirements Your app uses or references the following non-public APIs: com.apple.springboard.lockcompl…

iOS 苹果审核也是看心情的吗?已经上线几个版本了,新版本提交审核居然被查出来了! Guideline 2.5.1 - Performance - Software Requirements Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store becaus…

vyos User Guide 来源 https://wiki.vyos.net/wiki/User_Guide The VyOS User Guide is focused on providing a general overview of the installation, configuration, and operation of the VyOS network operating system. Introduction VyOS is a Linux-based network…

Eve-NG-Toolkit 来源 http://www.emulatedlab.com/archives/694 参考 http://eve-ng.cn/doku.php   http://forum.eve-ng.cn/forum.php 一.EVE-NG-PRO 新增功能 动态的 console 端口,无限制,修复多用户 console 问题,telnet 端口随机: 热链路互联运行节点,无论接口关闭或不关闭,接口立即响应,仅仅作用在以太口: 每个 Lab 支持 1024 个节点: 支持…

Contents Talks Articles Sites/Blogs Tools Libraries Books About Talks 2013: Going Native 2013 - Andrei Alexandrescu, Writing Quick Code in C++, Quickly Going Native 2013 - Stephan T. Lavavej, rand() Considered Harmful Going Native 2013 - Sean Parent,…

简单的记录一下,近期APP上架所遇到的坑爹事儿吧!! 第一次提交: 第二天给了回复,内容如下: .Guideline - Performance - Software Requirements Your app uses the "prefs:root=" non-public URL scheme, which is a private entity. The use of non-public APIs is not permitted on the App Store becau…

Education 2008-09 - 2012-07  Xian Peihua University English  Junior CollegeTarget Jobs:  Project Management. Sales & CS. SQA Training 2013-03 - 2013-05 China Wisdom PMP PMP training certification 2007-11 - 2007-12  Walton printing co., LTD., Training…

1 试电机:自动控制测试流程(Labview程序,加载扫描仪,自动测试夹具,测试数据保存) 2 USB RF收发器: 含S/N码发送读取功能(S/N:) The specific use please reference to the manual of application. 3 频谱仪:检测产品发出的RF数据(频偏,功率,谐波)       A Setting : frequency and Spam Turn on the Spectrum Analyser, and set it to…

1.环境说明 --primary端配置 Primary RAC Node1 Node2 Public IP 192.168.56.120 192.168.56.122 Private IP 10.0.0.5 10.0.0.6 Private IP 10.0.0.7 10.0.0.8 Virtual IP 192.168.56.121 192.168.56.123 Scan IP 192.168.56.124 Public Name 11grac1 11grac2 Private Name 11g…

Windows 2016 安装Sharepoint 2016 预装组件失败 日志如下: -- :: - Request for install time of Web 服务器(IIS)角色 -- :: - Request for install time of Web 服务器(IIS)角色 -- :: - Request for install time of Web 服务器(IIS)角色 -- :: - Request for install time of Web 服务器(IIS)角色 --…

原文地址:https://jmnarloch.wordpress.com/2016/04/26/spring-boot-tuning-your-undertow-application-for-throughput/ It’s been some time since the previous blog post, but finally I though that it’s a good time to make a post about very useful and practical a…