apache / apache/fluss

Log data will be truncated to zero when one tabletServer failed

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component=log
Dominant language
Java
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Description

### Search before asking

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

### Fluss version

0.5.0 (latest release)

### Please describe the bug 🐞

Log data will be truncated to zero when one tabletServer failed.
In fink sink, the failed msg will be:

![Image](https://github.com/user-attachments/assets/a138fddc-19b5-4473-a5f0-d166e16fed6b)

In server, the log data will be truncated to zero:

![Image](https://github.com/user-attachments/assets/52bf063c-484f-474d-96e1-a4834bd0d906)

### Solution

_No response_

### Are you willing to submit a PR?

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

Contributor guide

No contributing guide indexed for this repository

Research direction

The issue does not name any files, tests, or reproduction steps. Investigate the server log truncation behavior when one tabletServer fails and compare it with the failure reported by the Flink sink; done means failed-server handling no longer truncates the log data to zero and the behavior is covered by a regression test.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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