October 2020
Intermediate to advanced
261 pages
5h 32m
Chinese
Content preview from Graphite监控
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v
译者序
几乎所有的系统、应用程序、产品的关键性能指标，都是对某些参数或数据点随时间变
化情况的统计。因为捕获单个数据点并不能告诉我们太多信息，但是跟踪同一指标随时
间的变化趋势可以为我们提供很多有价值的信息。这就是时间序列数据的价值。
在系统监控领域，相信大家对
Graphite
并不陌生。
Graphite
是用于收集、存储和绘制时
间序列数据的开源监控工具。福特汽车、
GitHub
、
Etsy
、华盛顿邮报等都在生产环境中
使用
Graphite
。该工具具有以下三个核心组件。
y
Carbon
：指标收集守护程序，用于监听、收集时间序列数据。
y
Whisper
：简单的数据库，用于存储时间序列数据。
y
Graphite WebApp
：使 用
Cairo
库按需呈现图表的
Django WebApp
。
我在工程实践中一般使用
Prometheus
与
Graphite
这两款工具进行监控系统的构建。在众
多监控工具中，为何我会选用
Graphite
呢？简单来说就是，我觉得它稳定、功能齐全、
易扩展。
在使用
Graphite
的过程中，我发现
Graphite
具有如下特性，这些特性非常实用，能为生
产实践带来很多便利。
y
拥有完整的生态系统，从指标收集到图表生成，再到与第三方系统集成，所有环节
的操作都非常方便。
y
拥有完整的高可用和可伸缩方案，在生产环境中安全可靠。
y
配置简单，能很方便地构建百万级指标收集应用程序。
y
提供类
RRD
服务，支持指标数据精度递减。
y
提供丰富的查询函数，包括
sum
、
min
、
max
等。
y
提供
RESTful ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.