linkerd / linkerd/website

How to use "Tap" in Linkerd2

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@rmars is already working on this.

Since Feb 14, 2019.

area/blog priority/P1 size/medium type/tutorial
Dominant language
JavaScript
Stars
60
Forks
221
Avg merge
4h 32m
Merged PRs (30d)
1

Description

### What is the purpose of the post?
A tutorial to explain what the "Tap" command does in Linkerd2 and how to use it to improve observability / MTR reductions

### What should it talk about?
* What exactly does "Tap" do and show?
* What use cases does it address? Why did Linkerd build it?
* What are the options for using "Tap" (CLI, dashboard)?
* How does Tap interact / enhance service profiles and per-route metrics?
* How does Linkerd use "Tap" internally?
* What are some other amazing things you might be able to do with 'Tap'?

### Who is the target audience?
* [ ] Architect
* [x] SRE
* [x] Developers

### Are there any assets?
This should take the form of a tutorial and include specific applicable CLI commands and sequences to expose the dashboard. Using GIFs or codescreens to display the requisite actions is recommended.

### What are the dependencies?
TBD - depends on what the author thinks are appropriate here.

### Relevant Examples / References

https://github.com/linkerd/linkerd2/issues/1993
https://github.com/linkerd/linkerd2/issues/2106
https://github.com/linkerd/linkerd2/issues/1308

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