pingcap / pingcap/tiflash

No alerts when tiflash restarted

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component/unknown severity/moderate type/bug
Dominant language
C++
Stars
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Forks
423
Avg merge
1d 15h
Merged PRs (30d)
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Description

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Restart the tiflash node
Alerts Rules as following:
origin_img_v2_100eb636-8c8a-4ab5-a01e-efbe7043f54g

There are some restarting on tiflash nodes:
image

And the Up_time Panel No updates

image
2. What did you expect to see? (Required)

Send the alerts.

3. What did you see instead (Required)

No alerts sent.

4. What is your TiFlash version? (Required)

6.0

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  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

Start by reproducing the issue by restarting a TiFlash node and reviewing the alert rules and Up_time panel shown in the report. Compare the node restart with the monitoring data and determine why no alert is sent; done means a restart produces the expected alert and the panel updates accordingly.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
observability
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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