October 2020
Intermediate to advanced
261 pages
5h 32m
Chinese
Content preview from Graphite监控
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8
｜
第
1
章
什么是
Graphite
在谈论
Composer
所能提供的功能时，我们很容易迷失在树林中并忘记自己的使命 ：可
视化和关联数据。幸运的是，
Composer
界面的实用性使其非常适合做这样的工作。浏览
嵌套结构的指标树和指标名称是我们熟悉的一种体验。单击指标名称会将其数据序列添
加到屏幕中心的
Graphite Composer
窗口中。可以从“图表数据”对话框中方便地应用
转换函数，转换函数提供了一种新颖的诠释数据的方法。在“图表选项”菜单中单击一下，
即可将折线图切换为面积图。
最重要的是，图表会在每次操作后自动刷新以显示新的布局，操作反馈是所见即所得的。
图表
URL
很容易被复制并与同事共享，同事可以对图表进行调整并传回新的
URL
，这
些
URL
也可以方便地被再次加载回
Composer
中。用不了多久你就能掌握一种工作流程，
使你能够快速隔离异常行为，并以某种方式来识别异常之间的因果关系。而这种能力正
是大多数传统监控系统所缺乏的。
丰富的统计函数库
Graphite
最重要的特性或许是其具有丰富的统计和转换渲染函数库，这也正是
Graphite
与其他商业或开源监控系统之间真正的差异所在。在
0.9.15
注
1
版本中，就已经有
88
个具
有文档说明的函数可通过渲染
API
对时序数据进行转换、组合或执行统计计算。
Graphite
包含基础函数以便计算时序数据的最小值、最大值或平均值。你甚至可能会欣
喜地发现它可以计算出时序数据的百分位数和标准差。但是，当你发现它支持各种
Holt-
Winters
预测算法及你可以想到的几乎所有排序和过滤表达式时，我想你会因它所提供的 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.