akka performance

() {returnsubsystemID;} InlineChar* Getappversion () {returnappversion;} InlineChar* Getcompanyid () {returnCompanyID;} InlineChar* Getclustername () {returnclustername;} InlinevoidSetserviceid (Char*v) {memset (serviceId,0, A); memcpy (Serviceid,v,strlen (v)); } InlinevoidSetsystemid (Char*v) {memset (SystemID,0,4); memcpy (Systemid,v,strlen (v)); } InlinevoidSetsubsystemid (Char*v) {memset (subsystemID,0,4); memcpy (Subsystemid,v,strlen (v)); } InlinevoidSetappversion (Char*v) {memse

is relatively large. This means that this node will have more blocks and more er will be generated when mapreduce is executed. However, if the CPU and other hardware are not improved, the performance of the current node will be dragged. Therefore, the increase of this node does not correspond to a linear increase in speed. But it will always be better than three nodes. In addition, by analyzing the working conditions of mapreduce nodes, the relations

The victory and defeat of the military are not in the future, and the shame of the bag is the male-douniu fighting, fighting, fighting... It has been some time since I learned and used scala. At first, I learned scala mainly to learn the spark

Blog Address: http://blog.csdn.net/yueqian_zhu/ First, actor start Actor starts automatically asynchronously after it is created. When you create Actor, it automatically invokes the Prestart callback method of the Actor trait. This is a very good

Props is a configuration class to specify options for the creation of actors, think of it as an immutable and thus Freely shareable recipe for creating an actor including associated deployment information (e.g. which dispatcher To use, see more

What is actor, an object that encapsulates state and behavior, each actor communicates through a message and reads messages from its own mailbox from another actor. Actorsystem is an entry point into the actor world. Actorsystem is present

MySQL Storage server S:I5,8G,SSD; CentOS 7 x64; Install graphical monitoring tools (the monitoring tools themselves also consume resources)Jetty Application Server A:I5,8G,SSD; CentOS 7 x64; Install graphical monitoring tools (the monitoring tools themselves also consume resources)LAN Internal testing machine T:I5,8G,SSDHow to obtain the limit performance parameters of S and a, and the limit performance par

21st century is the century of the cloud, large-scale cloud networks have emerged, and in the next few years will be high-speed development, so that cloud-based systems will be more and more. If you want to develop a high-performance cloud system, server performance testing is an essential link. Today, we will introduce a new generation of server performance test

measuring various performance metrics for servers. Gatling is primarily used to measure HTTP-based servers, such as Web applications, restful services, and so on, in addition to the following features: Supports Akka Actors and Async IO to achieve high performance Enables real-time generation of HTML dynamic lightweight reports, making reports easier

The author has done some optimization work in the iOS development process, has some superficial understanding to the iOS performance optimization, has been wanting to own these experiences, summarizes briefly.As the first of the series, I intend to summarize some of the general principles of iOS optimization. Because I think whether the list smoothness optimization, startup time optimization or other aspects of optimization, there are some common prin

Original http://www.cnblogs.com/BoyceYang/archive/2013/06/15/3138142.html Read navigation 1. Overview 2.RulesLogic Database Design 3.EnableDesign with efficient Indexes 4.EnableEfficient Query Design 5.EnableLow performance analysis with technology 6. Summary 1. Overview This is the most effective way to optimize SQL server performance by finding areas that can significantly improve

Recently, I 've been struggling with how to analyze and tune performance, starting with hardware orCodeOr database. From the Operating System (CPUScheduling, memory management, process scheduling, DisksI/O), Network, protocol (HTTP,TCP/IP), Or from the applicationProgramCode, database optimization, and middleware configuration. Multiple MiddlewareWebMiddleware (Apache,IIS), Application Middleware (Tomcat,WebLogic,WebSphere) And so on. Even though the

Build high performanceASP. NETSite Chapter 5-Performance Tuning Overview (previous) During this time, the seriesArticleI reorganized it. The previous introduction to performance optimization was not very clear. It can be said that starting from this article, it is the beginning of a complete series. Links to articles: Build high performanceASP. NETSite Opening Build high performanceASP. NETO

BuildHigh PerformanceASP. NET application (2 )-Performance OptimizationLimit Method InPrevious ArticleWe have already stressed the importance of thinking, because thinking determines the follow-up actions. Many times, when building a high-performance application, we need to know how to improve the application.ProgramIn other words, we need to know from which aspects to improve the

interface function while encapsulating some of the application logic. Server-side database servers primarily provide data storage capabilities, and also provide partial application logic through triggers and stored procedures. C/S/S structure is the client/application server/Database server three-tier structure, the middle of the addition of application server, usually implement the application logic, is the connection between the client and the database server bridge. It responds to requests f

Seven Tips for improving MySQL performance: mysql Performance Original article: 7 keys to better MySQL performanceAuthor: Peter ZaitsevTranslator: Peter Note: As the size and load increase, MySQL performance tends to decline. Remember these tips to keep MySQL running smoothly. One of the ways to measure an application is to look at

MySQL performance tuning and Architecture design--9th chapter The performance optimization of MySQL database schema designPreface: Many people think that performance is optimized in the process of writing code (program code or database code), in fact, this is a very big misunderstanding. The real impact of the most performanc