apache / apache/uniffle

[Bug] Invalid purge of cached shuffle handle information in Spark

Open
#2,719 0 comments 0 reactions 0 assignees View on GitHub
Dominant language
Java
Stars
454
Forks
172
Avg merge
5d 17h
Merged PRs (30d)
5

Description

### Code of Conduct

- [x] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)

### Search before asking

- [x] I have searched in the [issues](https://github.com/apache/incubator-uniffle/issues?q=is%3Aissue) and found no similar issues.

### Describe the bug

In #2637 , purge of cached shuffle handle information in Spark is invalid

### Affects Version(s)

master

### Uniffle Server Log Output

```logtalk

```

### Uniffle Engine Log Output

```logtalk

```

### Uniffle Server Configurations

```yaml

```

### Uniffle Engine Configurations

```yaml

```

### Additional context

_No response_

### Are you willing to submit PR?

- [x] Yes I am willing to submit a PR!

Contributor guide

Open the contributing guide

Research direction

Start by reading issue #2637 and the Spark shuffle-handle purge path it discusses. Reproduce or trace the invalid purge behavior, then verify that cached shuffle handle information is purged correctly and that the relevant behavior is covered by tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spark
Domain
backend, 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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