Add column pruning support to any payload
- Dominant language
- Java
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- Avg merge
- 2d 8h
- Merged PRs (30d)
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Description
In {{{}HoodieMergeOnReadRDD{}}}, Alexey added column prune support in PR [#4888|https://github.com/apache/hudi/pull/4888], which is nice, it can speed up MOR _rt table query significantly.
However, this performance improvement is limited by a {{whitelistedPayloadClasses }}, so column prune is only supported in {{OverwriteWithLatestAvroPayload }}. If we implemented any other payload class, it can't utilise this feature.
## JIRA info
- Link: https://issues.apache.org/jira/browse/HUDI-5158
- Type: Improvement
Contributor guide
No contributing guide indexed for this repository
Research direction
Start with HoodieMergeOnReadRDD and the column-pruning path introduced in PR #4888, then inspect whitelistedPayloadClasses and OverwriteWithLatestAvroPayload. Compare the current payload restriction with other payload classes; done means column pruning is usable for payload implementations beyond OverwriteWithLatestAvroPayload.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100