linkerd / linkerd/linkerd2

Expose Connection Failure in Metrics

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#3,046 4 comments 0 reactions 0 assignees View on GitHub

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area/telemetry pinned
Dominant language
Go
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Forks
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Avg merge
3d 22h
Merged PRs (30d)
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Description

## Feature Request

### What problem are you trying to solve?
We had a service which failed to response with a proper connection within 100ms.

### How should the problem be solved?
This should be reflected somehow during metrics to be able to alert for this.

### Any alternatives you've considered?
nope :)

### How would users interact with this feature?
Have a clearly documented way of filtering proxy metrics so that we can alert on exactly the condition of Connection failure due to timeout within 100ms

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files, tests, or entry points. Start by locating the proxy metrics implementation and its documentation, then determine how connection timeouts are represented and what metric filter would distinguish failures within 100ms; done means the condition is exposed and documented for alerting.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
observability
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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