ivasilyev1 opened a new pull request, #59221:
URL: https://github.com/apache/spark/pull/59221
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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 changes, 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.
### Does this PR introduce _any_ user-facing change?
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I think no
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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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