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Posted to reviews@spark.apache.org by "HeartSaVioR (via GitHub)" <gi...@apache.org> on 2026/10/08 07:46:42 UTC
[PR] [SPARK-59919][4.2][SS] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding [spark]
HeartSaVioR opened a new pull request, #59291:
URL: https://github.com/apache/spark/pull/59291
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### What changes were proposed in this pull request?
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The changes in this PR:
- Ensure that both V1 and V2 offset logs emit rebound SQL conf
- Attempt to perform recovery of missing `spark.sql.shuffle.partitions` in V2 offset log by obtaining value from state metadata if possible
### Why are the changes needed?
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With current implementation the stateful shuffle partitions are not written out by OffsetSeqMetadataV2. If query is restarted and the session configured shuffle partitions change, the query will fail.
The exact error scenario and steps to reproduce are described in: https://issues.apache.org/jira/browse/SPARK-59919
The missing config key also leads to possible crash scenario as in https://github.com/apache/spark/pull/58929, which was addressed separately in that code path.
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Yes, see the detail in https://issues.apache.org/jira/browse/SPARK-59919
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Tested with the included unit tests in this PR as well as with manual reproduction in spark
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Re: [PR] [SPARK-59919][SS][4.2] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding [spark]
Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR closed pull request #59291: [SPARK-59919][SS][4.2] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding
URL: https://github.com/apache/spark/pull/59291
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Re: [PR] [SPARK-59919][SS][4.2] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding [spark]
Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on PR #59291:
URL: https://github.com/apache/spark/pull/59291#issuecomment-6058759672
Merging to 4.2.
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Re: [PR] [SPARK-59919][SS][4.2] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding [spark]
Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on PR #59291:
URL: https://github.com/apache/spark/pull/59291#issuecomment-6055269994
Will merge once CI is green - this is a cherry-pick PR which resolves merge conflict.
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Re: [PR] [SPARK-59919][SS][4.2] Fix OffsetSeqMetadataV2 missing shuffle partitions on rebinding [spark]
Posted by "HeartSaVioR (via GitHub)" <gi...@apache.org>.
HeartSaVioR commented on PR #59291:
URL: https://github.com/apache/spark/pull/59291#issuecomment-6058784194
**Merge Summary:**
- merged into branch-4.2 https://github.com/apache/spark/commit/caa94f1fa10af71a6355dd0340ebcd32a8f093ac
*Posted by `merge_spark_pr.py`*
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