apache / apache/paimon

[Feature] Support periodically refresh toCompact dataFileMetas in BucketedAppendCompactManager

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enhancement
Dominant language
Java
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Forks
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Avg merge
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Merged PRs (30d)
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Description

### Search before asking

- [x] I searched in the [issues](https://github.com/apache/paimon/issues) and found nothing similar.

### Motivation

subtask of #5213

### Solution

_No response_

### Anything else?

_No response_

### Are you willing to submit a PR?

- [x] I'm willing to submit a PR!

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reading BucketedAppendCompactManager and the parent issue #5213 to understand the requested compaction behavior. Trace how toCompact dataFileMetas is produced and used, then define periodic refresh behavior and verify that the metadata remains current during compaction.

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
25/100

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