CPU spikes after removing the changefeed
Open
@3AceShowHand is already working on this.
Since Mar 26, 2025.
severity/moderate
type/bug
- Dominant language
- Go
- Stars
- 56
- Forks
- 63
- Avg merge
- 2d 20h
- Merged PRs (30d)
- 34
Description
What did you do?
- create one changefeed, and Load 1,000,000 tables
- remove the changefeed
What did you expect to see?
the changefeed should remove all resource silently
What did you see instead?
The CPU spikes to around 1800% at the most
Versions of the cluster
Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):
(paste TiDB cluster version here)
Upstream TiKV version (execute tikv-server --version):
(paste TiKV version here)
TiCDC version (execute cdc version):
master
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.