Store size suddenly started increasing due to stale snapshot
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- Dominant language
- C++
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Description
Bug Report
Please answer these questions before submitting your issue. Thanks!
1. Minimal reproduce step (Required)
Disk size / Store size of Tiflash slowly started increasing all of a sudden.
2. What did you expect to see? (Required)
- no disk size increase
3. What did you see instead (Required)
Disk size / Store size of Tiflash slowly started increasing all of a sudden.
See https://snapshots.raintank.io/dashboard/snapshot/moA6q18u4GrG0y5qLgZiXqjd9Lxw7BXP?orgId=0&viewPanel=53&from=1720289323641&to=1720386710155 for a snapshot of Store size metrics.
4. What is your TiFlash version? (Required)
v7.1.2
Contributor guide
No contributing guide indexed for this repository
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.
Research direction
Start with the linked Store size metrics snapshot and the TiFlash v7.1.2 context; the report names no source files or tests. Determine how to reproduce the stale-snapshot growth and identify the relevant storage or snapshot entry point, then verify that Store size no longer increases unexpectedly.
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
- 25/100