Concurrency Error

In the country, the house urgent send now has more than 3,000 business outlets, and the network covers more than 2000 cities and regions nationwide. Rely on the mature of the express platform, now every year, home urgent delivery of goods in and out of Hong Kong more than billion, has been able to proudly call themselves goods through the world. Home delivery business platform can support 7,000 people at the same time online, support 600,000 daily work order business volume, business peak period or even million or so. So big and so heavy business volume, at the same time can guarantee simple management, responsive and accurate data, so, how to do it? First of all, from the house rush to send Bo ...

Hard disk I/O: Cloud Host performance evaluation of the "Sky Wing Cloud" Summary: Cloud host as the most typical of this model and the largest market demand, the market attention soared, rapidly become the most popular in the field of IDC vocabulary. With the rapid development of cloud computing concept and technology, the application of AWS Amazon Cloud host model in China's IDC market has rapidly warmed up. Cloud host as the most typical of the model and the largest market demand for the application, the market attention has soared, rapidly become the most popular in the IDC field vocabulary. More analysis that the cloud host will reshuffle China's IDC market, it brings ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall text/Shingdong, Liu, Xie School HTML5 Technology brings many new elements to the web, not only makes the website become more and more beautiful, the interactive experience is getting closer to perfect, even more makes many once impossible function can realize. 　　This article aims at the new characteristic which the HTML5 brings in the website performance monitoring, shares with everybody Ctrip traveling network in this direction the practical experience. Site performance monitoring of the status of the Web site performance is increasingly popular concern, because it directly ...

In the use of Team collaboration tool Worktile, you will notice whether the message is in the upper-right corner, drag the task in the Task panel, and the user's online status is refreshed in real time. Worktile in the push service is based on the XMPP protocol, Erlang language implementation of the Ejabberd, and on its source code based on the combination of our business, the source code has been modified to fit our own needs. In addition, based on the AMQP protocol can also be used as a real-time message to push a choice, kick the net is to use rabbitmq+ ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall 1, why say space is very important? Search Engine crawler (Baidu's reptile is called Spider, Google's crawler is called a robot is a Web site crawling on the website of the page of the program, we call it a crawler, it is automatically run, it collects the Web site and download the site's page of the program and the page of all the links to statistics this includes the chain and the chain, 　　After the statistics are crawled again in the form of txt text to save to its server. Included is divided into ...

Pseudo-Static &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; 　　As the name suggests, pseudo-static is relatively real static speaking. 　　Usually we want to better ease the pressure on the server, and enhance the friendly side of the search engine. All the content of the article generated static pages. But some friends in order to display some real-time information. Or you want to use dynamic scripting to solve some problems. Can not use static ...

The goal of the electrical business ERP is to be able to reduce and reduce revenue for the sellers/brand enterprises in doing e-commerce. 　　Specifically, it will help the enterprise: improve efficiency, improve throughput, reduce errors, reduce operational risk, improve customer satisfaction, improve decision-making capacity, standardize processes, improve the level of information and so on. But when it really involves the electrical business ERP software, many sellers/brand enterprises are not clear what the problem of ERP can be solved, or whether it is not clear if they need an ERP or invoicing software, and the electric business ERP market is a mixed bag, price gap, software ...

In fact, for the different needs of enterprise users in the application management solution deployment and delivery model, Blue Ocean provides two product and service delivery modes: The traditional software licensing model (Blueware) and the Cloud based SaaS model (ONEAPM). Blueware mainly for traditional large enterprises, while ONEAPM mainly for Internet enterprise developers. With ONEAPM, developers can increase development speed, release applications faster, and pinpoint bottlenecks in the usage experience. According to the introduction of Blue Ocean News, ONEAPM ...

Erlang R14B04 This version has a number of bug fixes. Encryption is changed using http://www.aliyun.com/zixun/aggregation/9511.html ">openssl dynamic link. Improved error handling. Minor compatibility fixes. File cleanup. Erlang is a small concurrent functional programming language developed by Ericsson. It is a programming language for a large number of concurrent fault-tolerant distributed systems using Ericsson. About Erlang ...

In "2013 Zhongguancun Big Data Day" Big Data Wisdom City Forum, cloud Human Science and Technology CEO Wu Zhuhua brings to the theme "about intelligent city thinking-real-time large data processing opportunities and challenges" speech. He believes that the opportunities for large data in various industries are as follows: Financial securities (high-frequency transactions, quantitative transactions), telecommunications services (support systems, unified tents, business intelligence), Energy (Power plant power grid Monitoring, information collection and analysis of electricity), Internet and electricity business (user behavior analysis, commodity model analysis, credit analysis), other industries such as Intelligent city, Internet of things. Wu Zhuhua ...