中文名: 谷歌应用引擎(Google App Engine)视频讲座
英文名: Emerging Web Tech@FJU CSIE Google App Engine
别名: GAE
版本: 2009.03.05
发行时间: 2009年03月05日
简介:
首先感谢9shell辛苦翻-墙从Youtube上下载了这么好的视频教程与大家共享(再次感叹我们所在的神奇的国度)
Google App Engine 是什么?
Google是个真正能不断的为大伙带来惊喜的公司。从免费的Gmail把大家带入电子邮件的G级时代以来,Google一直在为实现统一的网络应用平台努力着。前不久Google在 Google Campfire One 大会上宣布推出App Engine(应用引擎),一个在线应用平台。
App Engine是什么呢?它到底会怎样的改变现在的网络环境呢。
简洁的说,App Engine是一个由Python应用服务器群、BigTable(Google的一个内部的数据库系统)数据库访问及GFS数据储存服务组成的平台,它能为开发者提供一体化的、提供主机服务器及可自动升级的在线应用服务。用户编写应用,Google提供应用运行及维护所需要的一切平台资源。换言之, Google不仅仅要为用户提供现成的在线应用套件,它还希望利用自身的数据库系统优势,使自己成为在线应用的真正统一平台。
TTYCW
Google希望App Engine能令网络开发者更容易创建及升级在线应用,而不用花费精力在系统的管理及维护上。Google App Engine有以下优势:
1. 使用Google的资源,运行你自己的应用。Google App Engine 使你可以使用和Google现在的应用完全相同的环境来构建自己的网站.
2. 不需要额外的软硬件配置,Google App Engine 提供一个完整的Web应用环境.
3. 良好的可伸缩性,Google App Engine 使你不用考虑使用人数的限制,从1个人到1百万人,Google App Engine 都能提供良好的支持.Google的服务器会为你处理这些额外的事情。(当然对于超大的流量,Google会收取一些费用)
4. 免费开始使用。每个 Google App Engine 应用程序可以使用500M的存储空间,Google没有具体限制流量和Cpu的使用率,只是笼统地说明提供足够的流量和CPU,可以支持每月500万左右的PV.想想多少个人网站能达到这个限制呢?所以说我们基本不用担心流量的问题了。
PL4CJ.ORG
对我们来说Google App Engine是免费的,如果你有办法使你的网站流量超过500万,我想也不会介意向Google支付一些费用了。这样想来Google其实就是一个虚拟主机服务商,只不过巧妙的换了一种方式,尽管如此,我还是看好GOOGLE的实力,或许真的能开拓出一个免费主机时代,呵呵,到时候就要像感谢Gmail让我们进入免费G级邮件时代一样感谢Google App Engine了。
Google App Engine为我们提供了:
* 免费的主机空间
* 免费的数据库GFS
* 免费的web服务器
* 完整的Python应用环境(目前版本为Python2.5)
* 强大的技术支持
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