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https://issues.apache.org/jira/browse/SPARK-46339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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L. C. Hsieh reassigned SPARK-46339:
-----------------------------------
Assignee: L. C. Hsieh
> Directory with number name should not be treated as metadata log
> ----------------------------------------------------------------
>
> Key: SPARK-46339
> URL: https://issues.apache.org/jira/browse/SPARK-46339
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 3.3.3, 3.4.2, 3.5.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
> Labels: pull-request-available
>
> HDFSMetadataLog takes a metadata path as parameter. When it goes to retrieves
> all batches metadata, it calls `CheckpointFileManager.list` to get all files
> under the metadata path. However, currently all implementations of
> `CheckpointFileManager.list` returns all files/directories under the given
> path. So if there is a dictionary with name of batch number (a long value),
> the directory will be returned too and cause trouble when HDFSMetadataLog
> goes to read it.
> Actually, `CheckpointFileManager.list` method clearly defines that it lists
> the "files" in a path. That's being said, current implementations don't
> follow the doc. We should fix it.
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