网站实时信息采集和统计graphite
Graphite 是一个Python写的web应用，采用django框架，Graphite用来进行收集服务器所有的即时状态，用户请求信息，Memcached命中率，RabbitMQ消息服务器的状态，Unix操作系统的负载状态，Graphite服务器大约每分钟需要有4800次更新操作，Graphite采用简单的文本协议和绘图功能可以方便地使用在任何操作系统上。
官方文档:https://graphite.readthedocs.org/en/latest/overview.html
What Graphite is and is not
Graphite does two things:
- Store numeric time-series data
- Render graphs of this data on demand
What Graphite does not do is collect data for you, however there are some tools out there that know how to send data to graphite. Even though it often requires a little code, sending data to Graphite is very simple.
About the project
Graphite is an enterprise-scale monitoring tool that runs well on cheap hardware. It was originally designed and written by Chris Davis at Orbitz in 2006 as side project that ultimately grew to be a foundational monitoring tool. In 2008, Orbitz allowed Graphite to be released under the open source Apache 2.0 license. Since then Chris has continued to work on Graphite and has deployed it at other companies including Sears, where it serves as a pillar of the e-commerce monitoring system. Today many large companies use it.
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