apache model

The Model-View-controller (Model-View-controller, MVC) mode organizes your software into three distinct roles: The model encapsulates your application data, application processes, and business logic. View obtains data from the model and formats the data for display. Controller ControlProgramProcess, recei

A. Select model (common for Apache)1. maximum concurrency limit , because the FD (file descriptor) opened by a process is limited, set by Fd_setsize, and the default value is 1024/2048, so the maximum number of concurrent Select models is limited. Change this fd_setsize yourself? Although the idea is good, let's look at the following ...2. Efficiency issues , select each call will be linear scan all of the

1.apache Download the Apache for Linux source package on the following page http://www.apache.org/dist/httpd/; Save to/home/xx directory, XX is a self-built folder, I built a WJ folder. List of commands: Cd/home/wj TAR-ZXVF httpd-2.0.54.tar.gz MV httpd-2.0.54 Apache CD Apache ./configure--prefix=/usr/local/apache2--en

1. Apache Download the source code package of Apache for Linux on the following page Http://www.apache.org/dist/httpd /; Save to the/home/XX directory. XX is a self-built folder. I created a WJ folder. command list: Cd/home/WJ tar-zxvf httpd-2.0.54.tar.gz music httpd-2.0.54 apache Cd apache . /configure -- pref

Linux on the concurrency network is divided into the Apache model (process per Connection) and TPC, as well as the Select model, and the poll model (typically the Epoll model)The Select model is extremely useful: This article is v

Web server written to address some of the performance and scalability issues associated with Apach E. The product is open source and free, but Nginx offers support if you buy its Nginx Plus version.Nginx is an open source Web service dedicated to addressing the scalability issues encountered by Apache. Nginx is an open source free of charge, but it also supports you to purchase its nginx+ version.Nginx says its web server were written to address the

To help enterprise users find more efficient ways to speed up Hadoop data queries, the Apache Software Foundation has launched an open source project called Drill. Apache Drill implements Google's Dremel.Apache Drill introduced the JSON file model on SQL-based data analysis and business Intelligence (BI), which enables users to query fixed schemas, evolutionary a

Apache with respect to NginxL Apache rewrite is stronger than nginx;L support dynamic pages;L support a large number of modules, covering almost all applications;L stable performance, and nginx relative bugs more.3) comparison between the pros and consL Nginx Configuration concise, Apache complex;L Nginx static processing performance than

In terms of software testing, the V model is the most widely known model, although many experienced testers are still not familiar with the V model or other models. The V model has existed for a long time and has some common characteristics with the waterfall development model