pingcap / pingcap/tiflash

FD leak after BR restore

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#10,547 2 comments 0 reactions 0 assignees View on GitHub

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affects-7.5 component/storage impact/leak may-affects-6.5 may-affects-7.1 may-affects-8.1 may-affects-8.5 severity/major type/bug
Dominant language
C++
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Forks
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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)

Image

Image

Image

used size + available size << capacity.

After restart TiFlash,

Image

used size + available size = capacity.

2. What did you expect to see? (Required)
3. What did you see instead (Required)
4. What is your TiFlash version? (Required)

v7.5.6

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

No source files, tests, or entry points are named. Start by reproducing the reported FD leak on TiFlash v7.5.6 using the attached restore scenario, then compare used size, available size, and capacity before and after restart. Done means the restore no longer leaves the reported resource or capacity discrepancy.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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