akka performance

theTcpthe number received“Port”the message. By convention, each type of network service is assigned a number that is not understood, that is, a different port. LikeHTTPis a80Ports,Sshis a22Ports,Ftpis a23.typically the service distinguishes the type of port, but in order to avoid the port being mixed, it is usually known that the portTcpPorts andUdpthe ports are set to the same. Like everybody saysSshis a22ports, although using theTcpprotocol, but usuallySshwill also occupy22of the PortUdpservi

To improve system performance, developers can optimize the system from every angle and level of the system. In addition to the most common code optimizations, the software architecture, the JVM virtual machine layer, the database, and the operating system layer can be tuned in a variety of ways to improve overall system performance.Design TuningDesign tuning is at the top of all tuning methods, and it often needs to be done before software development

Performance test tool Highlights (top)This article describes 20 kinds of performance testing tools that are widely used in the industry.1. Apache JMeterhttp://jmeter.apache.org/JMeter is a 100% Java-only open source project for measuring performance and load testing of functional behavior, both for static and dynamic resource testing. Currently the latest version

1734099 Long runtimes for Wave item update in smq2 queue 1683490 Unnecessary selection of locked Waves 1675539 Inactive warehouse tasks are not posted in parallel 1599301 Locking problem in the PPF action execution 1570648 Performance when synchronizing transportation units 1523579 Slow performance at Gi after note 1462

1. performance is a function: Always put performance first in the design process Plan the performance at the beginning of the design. Do not use "add performance" as a subsequent task! Once the project is compiled, adding performance will be difficult. Measure and

Performance Testing How to: conducting CT performance testing core steps for a Web application How to: determine performance testing objectives How to: conducting CT performance testing How to: conducting CT performance testing with automatic load testing tools How to:

Previous two articlesArticleThis article mainly introduces handlersocket in terms of performance and performance optimization. I. handlersocket PerformanceThe author of handlersocket tests that the QPS of handlersocket in queries is 75 K, memcached is 40 K, and MySQL is 10 K. However, you need to pay attention to its testing scenarios. Generally, it is difficult to use such scenarios. Therefore, it is

Does MySql Delete and update operations affect performance? mysql Delete and update Performance The cost of Delete and update operations is usually higher than that of insert operations. Therefore, a good design requires less database update and delete operations. 3.1 update operations Database update operations bring about a series of "effects": update operations need to record logs (so that errors can be

SQL Server focuses on optimization of Stored Procedure performance, data compression, and page compression to improve IO performance (I ). Preface The SQL Server basic series is not over yet, And the last point is not written, and will continue later. Some school friends asked me when I began to write the SQL Server performance series. It may take some time to wa

1, the general performance test:When we perform performance testing, the system is low-concurrency or no concurrency, and the system does not stress the test as a general performance test. The main factor is to verify that our system meets the performance requirements under normal circumstances. For example, two login

Performance Optimization of React components and react Performance Optimization Gartner: "We should forget to ignore small performance optimizations. in 97% of the cases, premature optimization is the source of all evil, we should focus on the other 3% of the Code that has the most critical impact on performance. " Do

WebSphere Commerce production Environment performance management The E-commerce website with WebSphere Commerce as the core is a complex system composed of a variety of hardware and software products. In order to ensure the healthy operation of the system, the operations team needs to perform a comprehensive performance monitoring of the entire site and take the necessary proactive measures to maintain sys

PHP Performance Analysis and Experiment: Micro-Performance Analysis (1) In the previous article, we discussed the performance of PHP from three aspects: explanatory language, Dynamic Language, and underlying implementation. This article goes deep into the micro-level of PHP. We will learn about the performance of PHP

Have seen the Yahoo team wrote an article on the performance optimization of the site, the article is about 2010 years written, although a bit old, but many aspects are still very useful reference. As for the performance optimizations of CSS, he mentions the following points:CSS Performance Optimizations1. Place the style sheet on topPlacing the stylesheet inside

As we all know, MySQL paging is to use limit for paging, the amount of data/number of pages small when the limit performance is conceivable. Such as: SELECT pid,author,hash,dateline FROM posts WHERE pid='123456' ORDER BY pid ASC LIMIT 100,100; There is no problem with the SQL statement performance described above. However, performance bottlenecks can occur if th

Performance Test for querying millions of data and EF query performance test I. Cause I personally prefer EF. After all, I don't need to write SQL statements. It is highly efficient in development and easy to operate. However, I have always heard that EF has poor performance and has been tested by others, but I thought it was true. But I really don't know what it

Summary of Performance Optimization for 35 Java codes and java Performance Optimization Preface Code optimization is a very important topic. Some people may think it is useless. In some small places, what are the effects of modifying or not modifying the code on the code running efficiency? I think so. Is it useful to eat a small shrimp like a whale in the sea? It's useless, but after eating more than one

High-performance TCP UDP Communication Framework HP-Socket v3.2.3 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 #

IOS25 performance optimization, memory optimization, and ios25 Performance Optimization 1. Use ARC to manage memory ARC (Automatic ReferenceCounting, Automatic reference counting) and iOS5 are released together to avoid Memory leakage, which is often caused by memory loss. It automatically manages retain and release processes for you, so you don't have to intervene manually. Forgetting the release at the en

JavaScript performance optimization tips: javascript Performance Optimization (Click the public account at the top of the page to follow it quickly) Ivan Č uri-control Http://www.cnblogs.com/powertoolsteam/p/javascript-performance-optimization.html As the most common literal scripting language, JavaScript has been widely used in Web application development