July 2023
Beginner to intermediate
270 pages
4h 48m
Chinese
Content preview from 可观测性工程
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
什么是可观测性
|
21
可能导致异常的相关模式。例如，你可以检索：“所有
502
错误请求都发生在过去半小
时，发生在主机
foo
上”或者“所有
403
错误请求都在
/export
端点，
由用户
bar
产
生”或者“所有超时的支付请求都由应用程序
baz
以及这个应用所在的主机发送到
/
payments
端点
”。
只用这
6
个维度，你就可以检测一组有用的条件来确定应用系统中可能发生的情况。现
在想象一下，除了
6
个维度之外，你可能还需要关注成百上千个包含任何细节、值、计
数器或字符串的维度，这些维度在将来的某个时候可能对调试有帮助。例如，你可以包
含像这样的维度：
app.api_key
app.batch
app.batch_num_data_sets
app.batch_total_data_points
app.dataset.id
app.dataset.name
app.dataset.partitions
app.dataset.slug
app.event_handler
app.raw_size_bytes
app.sample_rate
app.team.id
…
response.content_encoding
response.content_type
response.status_code
service_name
trace.span_id
trace.trace_id
有了更多可用的维度，你就可以检测各种事件，从而在任何一组服务请求之间建立高度
复杂的关联（参见第
8
章）。数据的维度越高，你就越有可能发现应用程序行为中隐藏
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.