Resolve going from single writer deltastreamer to multiwriter checkpoint
Open
area:ingest
from-jira
priority:high
type:improvement
- Dominant language
- Java
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- Avg merge
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Description
If you go from single writer to multiwriter, the single writer checkpoints might be in a different format. Possible solutions:
* Require all deltastreamer to have an identifier
* cli tool to convert older checkpoints
## JIRA info
- Link: https://issues.apache.org/jira/browse/HUDI-5844
- Type: Improvement
Contributor guide
No contributing guide indexed for this repository
Research direction
Start by tracing Hudi DeltaStreamer checkpoint handling for single-writer and multiwriter operation; the issue names no files, tests, or entry points. Clarify which migration approach is wanted, then identify the relevant compatibility tests and verify that existing single-writer checkpoints work when moving to multiwriter.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data-engineering, stream-processing
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100