open source billing system

1. Background information Many of the company's platforms generate a large number of logs per day (typically streaming data, such as search engine PV, queries, etc.), and processing these logs requires a specific logging system, in general, these systems need to have the following characteristics: (1) Construct the bridge of application system and analysis system

Often heard around the design of friends want to do a website, not only beautiful but also functional aspects can keep up with the trend, Varhi as an open source world is getting started, to introduce a few more commonly used open source programs, as long as a little foundation of friends can be established to meet the

In today's economic crisis of the big environment, online shopping more and more popular, online open shop low-cost, fast and convenient, famous E-commerce sites have Taobao, Pat, ebay or the latest Youa, these sites provide open shop opportunities, if you want to build their own shopping platform, You can choose from below the E-commerce shopping platform that suits you. There are foreign and domestic. Os

Some words are ahead of me Because of the company's product business restructuring and functional split components, there will be a lot of interface documents need to be retained, so there is a need for a document management system. At that time the selection requirements of 3 points: 1. Cannot be a SaaS service on the cloud platform, the entire system will be deployed in its own company maintenance (data s

Original works, allow reprint, reprint, please be sure to hyperlink form to indicate the original source of the article, author information and this statement. Otherwise, legal liability will be held. http://xtony.blog.51cto.com/3964396/891140 Enterprise-Class Open source mail system to build the whole process: This pr

Distributed computing system framework, according to the characteristics of data set, mainly divided into data-flow and streaming two kinds. Data-flow mainly data blocks for data processing data, representing: MR, Spark, and so on, I call them big data, and streaming is mainly processing the data obtained within the unit, this way, more focus on real-time, mainly including Strom, jstorm and Samza, etc. , I call them fast data. In this article, I mainl

C # open Source IM systemName: Breeze IMName Source: Small means that the system is relatively simple　　　　　　The wind is due to the UI used by the fan teacher years ago in the online open source of high simulation qq2008 code, in t

The third version of the Blue Rim system will be open source; based on springmvc+ Apache Shiro 1.2.3 +mybaits3.x Access system, open source, support open source1.0 and 2.0 versions of

Today, open source firewalls are a vast number. This article will cover 10 of the most practical open source firewalls that fit your business needs. 1. Iptables Iptables/netfilter is the most popular command line based on firewalls. It is the safe line of defense for Linux servers. Many

Overview: in distributed systems, it is often necessary to collect the logs of each node and then unify the analysis. This article provides a simple solution, this article uses the Open source log project + the unified database structure way, In each development environment, provide a unified configuration and invocation methods, all logs are recorded in the log server, you can trace the query on any one

://www.opensymphony.com/oscache/ Java Caching System JSC (Java Caching System) is a distributed caching system, a server-based Java application. It accelerates dynamic Web applications by providing management of a variety of dynamic cache data. JCS, like other caching systems, is an application for high-speed reading and low speed writing. Dynamic content and

EJBCA is a valuable open source system, for the current domestic PKI technology and products have reference significance. When EJB3.0 released, I translated the software introduction, I hope to play to let everyone pay attention to the effect. Interested parties are welcome to further explore this software with me. EJBCA is a fully functional CA