October 2020
Intermediate to advanced
261 pages
5h 32m
Chinese
Content preview from Graphite监控
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配置
Carbon
｜
65
xFilesFactor = 0.1
aggregationMethod = min
[max]
pattern = \.max$
xFilesFactor = 0.1
aggregationMethod = max
[sum]
pattern = \.count$
xFilesFactor = 0
aggregationMethod = sum
[default_average]
pattern = .*
xFilesFactor = 0.5
aggregationMethod = average
最后一些准备工作
如果你按照我的建议以非特权用户的身份运行了
Carbon
守护进程，我为你鼓掌。但是，
在
Carbon
准备好启动之前，我们还需要完成一些收尾工作（如果你决定以超级用户的
身份运行
Carbon
，那么很遗憾，你可以跳过这一部分）。
首先，我们需要创建系统用户（参见示例
4-7
）。
示例4-7：创建系统用户
$ sudo /sbin/groupadd carbon
$ sudo /sbin/useradd -c "Carbon user" -g carbon -s /bin/false carbon
我们还需要修正许多存储和日志目录的所有权，这可确保各种
Carbon
守护进程能以无
特权用户的身份记录日志，创建和更新
Whisper
文件，在某些场景下，保证
Web
服务器
用户（该场景下是
www-data
，根据你的发行版进行必要调整）有
SQLite Web
数据库的
写入权限 ：
$ sudo chmod ...
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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.