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Server performance indicators As a network server program, performance is always the first indicator. Performance can be defined as the number of tasks that can be processed in a given hardware condition and time. The server design that maximizes the use of hardware performance is a good design.A well-designed server s
High-performance TCP UDP Communication Framework HP-Socket v3.3.1 RC2 released, high-performance tcp HP-Socket is a set of common high-performance TCP/UDP Communication frameworks, including server components, client components, and Agent components. It is widely used in TCP/UDP communication systems in various application scenarios, provides C/C ++, C #, Delph
10 methods for jQuery code performance optimization, jquery Performance Optimization 1. Always use # id to find the element. The fastest selector in jQuery is the ID selector ($ ('# someid'). This is because it is directly mapped to the getElementById () method of JavaScript.Select a single element One way to choose a button with poor performance: var traffic_bu
Cainiao to be an architect (II) -- java Performance Optimization-for loop and java Performance Optimization When the same function is completed and implemented using different codes, the performance may be significantly different. Therefore, for some performance-sensitive modules, it is necessary to optimize the code.
High-performance TCP UDP Communication Framework HP-Socket v3.3.1 officially released, high-performance tcp HP-Socket is a set of common high-performance TCP/UDP Communication frameworks, including server components, client components, and Agent components. It is widely used in TCP/UDP communication systems in various application scenarios, provides C/C ++, C #
Netmap to VALE-from high-performance network framework to High-Performance Virtual Network Switch, netmapvaleAs mentioned in the previous article, for full virtualization and semi-virtualization, a virtual network interface needs to be assigned to the virtual machine, which requires a vswitch (which can be used together with the hypervisor ), in this way, packets from virtual network interfaces are forwarde
Common Linux system performance monitoring commands and linux system performance monitoring URL: http://www.cnblogs.com/myresearch/p/linux-monitor-tools.html.Monitor CPU usage Run the following command: [root@localhost ~]# gnome-system-monitor The graphical tool GNOME System Monitor is displayed, as shown in: Monitor CPU scheduler program running queues You can use the vmstat command in linux. Vmstat is sho
Summary of little knowledge about JavaScript performance optimization, and javascript Performance Optimization With the development of the network, network speed and machine speed, more and more websites use a variety of client technologies. Ajax is currently the most popular method. JavaScript is an interpreted language, so it cannot reach the level of C/Java, which limits what it can do on the client. In
JQuery performance optimization skills analysis, jquery performance optimization skills This article gives a detailed analysis of jQuery performance optimization techniques. Share it with you for your reference. The specific analysis is as follows: I. Use the latest jQuery class library The new version of jQuery will fix bugs and optimize bugs compared with the p
Poptest is the only training institute for developing Test and development engineers in China, aiming at the ability of the trainees to be competent in automated testing, performance testing and testing tools development. In Poptest's LoadRunner training, in order to improve the performance of students experience, add a lot of server optimization knowledge, for performa
Steps of the performance test process---detect (to standardize performance testing)Performance testing of the work of a multitude of, the most afraid of is like a headless fly blindly test, not only time, but also accumulated less than experience, team and individuals are difficult to grow, (the next time the performance
parameter that directly measures system performance.. 4.Concurrent users Concurrency is generally divided2. One is strict concurrency, that is, all users perform the same thing or operation at the same time. This operation generally refers to the same type of business. For example, in the Credit Card Approval business, a certain number of support personnel submit completed approval services at the same time. There is also a special case that all
This is a creation in Article, where the information may have evolved or changed. Golang unit testing, performance testing, performance monitoring technology The go language provides powerful testing tools, with an example of a brief introduction Go Test Unit Testing Go test-bench=. Performance testing Go tool pprof
Article Source: http://www.cnblogs.com/dingjie08/archive/2009/11/10/1599929.htmlObjectiveRecently help friends to run the platform for Performance tuning, the effect is good, so write it out together to exchange. If the article has you feel wrong, or do not understand, please add QQ Group: 4656272, Welcome to correct and discuss together. (PS: Vulgar Humanities pen is poor, crossing please more magnanimous)BackgroundFriend's platform website belongs t
As we all know, Mysql paging requires the use of Limit for paging. When the data size is small, the Limit performance can be imagined. For example: {code...} the preceding SQL statement has no performance problems. However, if the offset is too low, a performance bottleneck may occur. For example, {code... as we all know, Mysql uses Limit for paging. When the dat
Performance of network protocolsNow it's our turn to actually control things.The performance of network processing is not proportional to the addition of delay time.This is because the intrinsic operation of most network protocols is bidirectional information exchange.The remainder of this chapter focuses on understanding why these exchanges of information are generated and how to reduce or even eliminate t
Securities Bao Www.baostock.com is a free, open-source securities data platform.Provide a large number of accurate and complete securities historical market data, listed company financial data, real-time securities market push services.Acquisition of securities data information through the Python API, to meet quantitative trading investors, quantitative financial enthusiasts, metering economic practitioners data needs. This introduction interface: To obtain quarterly frequency
Golang Unit Testing, performance testing, performance monitoring technology The go language provides powerful testing tools, and the following example briefly describes the Go Test unit testing Go test-bench=. Performance test Go tool pprof Performance Monitor go Test unit Test For example, the package helper under th
, real-time and quasi-real-time, accurate and basic accurate, in many places the performance of the consumption may beA few performance differences. In the system performance optimization, should try to analyze those can not be real-time and incomplete accurate place, make someThe corresponding adjustment, may bring the unexpected huge
Introduction Do you need to analyze in detail some key performance factors that enable you to control and tune DB2 and DB2 applications? Do you want to diagnose performance and availability issues in advance? Or have you ever encountered a problem when using the DB2 server, but you cannot use the current snapshot to determine the cause of the problem, so you want to use historical monitoring data? IBM DB2
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