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https://issues.apache.org/jira/browse/SPARK-55820?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-55820:
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Labels: pull-request-available (was: )
> Fix race condition in no-overwrite FS when RocksDB version files cachee is
> out of sync
> --------------------------------------------------------------------------------------
>
> Key: SPARK-55820
> URL: https://issues.apache.org/jira/browse/SPARK-55820
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 4.2.0
> Reporter: Livia Zhu
> Priority: Major
> Labels: pull-request-available
>
> There exists the following race condition
> 1. Query run 1 uploads snapshot X.zip pointing to SST file Y.SST
> 2. Query run 1 is cancelled before the commit log is written
> 3. Query run 2 retries the batch, uploads Z.SST, tries to re-upload X.zip
> pointing to Z.SST. The zip overwrite silently fails on no-overwrite FS,
> but versionToRocksDBFiles maps version X -> Z.SST (stale)
> 4. Maintenance/cleanup uses the stale in-memory mapping, sees Y.SST as
> untracked, and deletes it
> 5. A subsequent query run tries to load X.zip from cloud, which still
> references Y.SST -> FileNotFoundException
>
> We should fix this by forcing the minRetainedVersion to fetch the files
> needed directly from cloud.
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