pingcap / pingcap/ticdc

Excessive CDC Log Output When There are more than 5k changefeed

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#5,097 1 comment 0 reactions 0 assignees View on GitHub

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type/enhancement
Dominant language
Go
Stars
56
Forks
63
Avg merge
2d 20h
Merged PRs (30d)
34

Description

When there are up to 5000 changefeeds. CDC pods generate huge logs up to 100GB daily.

Contributor guide

Open the contributing guide

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

The issue does not name a file, test, or entry point. Start by reproducing the CDC pod logging with more than 5,000 changefeeds and trace which logging path produces the volume; done means reducing the excessive output while preserving useful diagnostics and verifying the result under the reported scale.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
observability
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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