akka performance

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

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

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

The most common problems in front-end interviews are page optimization and caching (which seems to be page optimization too). After being asked several times, you may not be able to use it, however, it is difficult to tell me what I know. Page optimization is obviously not a sentence or two. In the past two days, I have summarized CSS-related optimization knowledge, written a blog, and hope you can give me more advice. CSS optimization mainly starts from two aspects. Network

The application server is the server that handles the website business, the business code of the website is deployed here, is the website development most complex, the change most place, the optimization means mainly has the cache, the cluster and the asynchronous and so on. Distributed cache Caches are ubiquitous, both in the browser and in the server and database, in both the data cache, the file cache, and the page fragments.Website performa