apache / apache/hudi

Support for multiple log compaction trigger strategy

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area:table-service component:compaction from-jira priority:high type:improvement
Dominant language
Java
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Description

we only have num_delta_commits based triggering strategy in the log compaction implementation for now. Ideally we would like to have a pluggable strategy with implementations for size based. 

## JIRA info

- Link: https://issues.apache.org/jira/browse/HUDI-4939
- Type: Improvement
- Epic: https://issues.apache.org/jira/browse/HUDI-3580

Contributor guide

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Research direction

Start by locating the log compaction implementation and the existing num_delta_commits-based trigger. Define the pluggable strategy boundary and verify that both the existing commit-count behavior and a size-based strategy are supported, with tests covering each trigger.

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
Mostly clear
Newbie friendliness
42/100

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