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https://issues.apache.org/jira/browse/SPARK-26949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-26949:
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Target Version/s: 3.0.0
> Prevent "purge" to remove needed batch files in CompactibleFileStreamLog
> ------------------------------------------------------------------------
>
> Key: SPARK-26949
> URL: https://issues.apache.org/jira/browse/SPARK-26949
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 3.0.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Priority: Minor
>
> I've seen couple of trials (in opened PRs, even I've also tried) which calls
> purge() in CompactibleFileStreamLog, but after looking at the codebase of
> CompactibleFileStreamLog, I've realized that purging latest compaction batch
> would break internal of CompactibleFileStreamLog and it throws
> IllegalStateException.
> Given that CompactibleFileStreamLog maintains the batches and purges
> according to its configuration, it would be safer to just rely on
> CompactibleFileStreamLog to purge and prevent calling `purge` outside of
> CompactibleFileStreamLog.
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