java application performance

systems, it's better to put a cache in front of them and hide the existing systems to look for the best. No doubt, this approach just makes the overall architecture more complex, and when the next developer intends to understand the status quo of the system, the situation will be worse.A large, poorly designed system often lacks a holistic design, written in a single line of code and a subsystem. However, in many cases, simplifying and refactoring the architecture can lead to better

Js| Program | performance If you want to test your JSP application performance, then you can use JMeter, which is an open source product developed by the Apache Software Foundation. JMeter allows you to develop test scenarios to test accessible HTTP, FTP and the JDBC database service. JMeter can use cookies and URL overrides to handle servlet validation, so perfo

Introduction Why I write this blog, because recently a lot of Jingdong Cloud Jae User response a problem is that they deployed in Jae application access is very slow, there are very few applications or even frequent 504 timeout phenomenon, of course, the first thing we think of is Jae performance is too bad, this is human nature, Often there are mistakes when the first thought is the bad of others, work ma

Brief introduction Many Java applications today rely on a complex set of distributed dependencies and moving parts. Many external factors can have an impact on the performance and availability of your application. These effects are largely not completely eliminated or resolved, and are difficult to simulate accurately in a prebuilt environment. Stuff happens. Ho

Which application platform architecture does your enterprise or organization adopt? In either case, the application platform basically includes at least the server operating system, web server software, database server software, and program development language, some platforms also contain independent application server ). These are the foundation of the IT envir

Solemnly declare that, if quoted, please indicate the source: (original blog Park: Son of Heaven) Mvc3 + ef4.1 the web application is already a single page framework with excellent performance. Our goal is to build excellent software. Therefore, performance optimization is still needed. We should consider the following aspects to build a system: I. Adjust the cod

search for heap memory to discover objects that are not in use, then reclaim them and release the memory they occupy. However, just releasing is not enough, which can result in a lot of memory fragmentation (fragmentation), so the JVM also needs to rearrange the location (compacting) of other objects in memory to eliminate those fragments.Although the GC implementations vary and have a lot of detail, the performance of the GC depends primarily on the

. NET Compact frameworkimproving Microsoft. NET Compact framework-based application form load performance Neil cowburnContent master LtdMarch 2002Applies:Microsoft. NET Compact Framework 1.0Microsoft Visual Studio. NET 2003Summary: Learn how to reduce the time it takes for your. NET Compact framework Windows Forms applications to load by following some simple optimization techniques. (4 printed

buffer pool is used ). This technology can be seen in many applications that must support concurrent I/O streams.To, such as web servers, quotations, and auction applications. However, creating a Java thread requires considerable overhead. JDK 1.4 introduces a non-blocking I/O Library (Java. NiO ). If an application requires JDK of an earlier version, there is a

Jatinder Mann, a project manager for Microsoft Internet Explorer products, at build 2012, he made a "50 secrets to improve HTML5 applications and website performance" (Performance tricks to make Your HTML5 apps and sites faster) "gave a lot of tips on how to speed up Web applications.Mann's recommendations are organized according to the following six principles.1. Respond to network requests quickly. Avoid

part of application maintenance. You can troubleshoot the system faults in the early stage. The following routine checks are of great reference value.(1) hardware checkCheck the status of each indicator and the availability of each physical device.(2) Process CheckCheck whether there are dead processes and use PS-The EF command lists information about all running processes.(3) Whether the file system is fullApplicable to DF-KCommand to check the file

J2ee| Program | skill | performance | Optimization Application The performance of the system developed by the Java platform is a problem that the users and developers of the system are concerned about, this paper discusses the effect of code on performance from the aspects o

Parameter optimization Suggestions WebSphere Commerce is a large e-business application developed based on a WebSphere application server. After the first successful installation of the WebSphere Commerce application, Setup has initialized the key parameters on the server. This set of default values is a set of initialized parameter values that are summarized by

Author: The biggest advantage of Liu Yanqing's compilation and use of PHP programming is that it is very easy to learn this programming language and its rich library. Even if we don't know much about the functions we need, we can guess how to complete a specific task. Although PHP is very easy to learn, it still takes a little time to learn some programming skills of PHP, especially with performance and memory usage. The biggest advantage of using PH

: This article describes how to use Nginx server load balancer to build a high-performance. NETweb application 2. if you are interested in PHP tutorials, refer to it. In this article, we use Nginx server load balancer to build high performance. in NETweb Application 1, we have a preliminary understanding of Nginx. next

As described in the summary, the frequent need to deploy the program to the test machine at the time of the tune-up, it is inconvenient to debug. The previous practice is to print information in the program to track, but this method is very limited, because often can not be located in the problem at once, need to constantly modify the program to print the statement, constantly restart the application, which takes a lot of time and effort. Therefore, i

Introduction: Use the Apache Web server as an example to learn how to analyze the performance implications of a public configuration. Use application tracking to observe system calls made during the application's run. By counting the number of calls and the time that occurs, you can easily understand the impact of performance changes. You can track your applicat

650) this.width=650; "src=" Http://s1.51cto.com/wyfs02/M02/7F/61/wKioL1ccwIOjC4t_AAFaychinKI724.png "title=" Image001.png "alt=" Wkiol1ccwiojc4t_aafaychinki724.png "/> If you've done a performance test before, I'm sure you'll be using the famous Performance test tool- Loadrunner Loadrunner The latest version is loadrunner 12.0 , combined with the current mobile market