[core][flink] Support Per-Partition Bucket Counts - #9370

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dwangatt wants to merge 22 commits into

apache:masterfrom

atlassian-forks:dwang/continue-pr-7865

Commits on May 25, 2026

Support per-partition buckets
mikedias
committed
5cf7b02
Optimize PartitionBucketMapping.loadFromTable
mikedias
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f9b0a1f
Fix rescaling via INSERT OVERWRITE
mikedias
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81f5d44
Fix empty-bucket from WriteRestore scenario
mikedias
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012e72a
Fixing corner case for non-partitioned tables
mikedias
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0d363ce
Fix merge commutativity, fail fast on scan error, and add streaming restart note for per-partition bucket rescaling
mikedias
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9c784bf

Commits on May 26, 2026

Improve how we test the BUCKET_APPEND_ORDERED behaviour
mikedias
committed
2360910

Commits on Jun 13, 2026

Merge branch 'master' into mdias/master/buckets-per-partition
mikedias
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45f657f
Fix conflicts with TableWriteCoordinator
mikedias
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cc5a260

Commits on Jun 20, 2026

Merge branch 'master' into mdias/master/buckets-per-partition
mikedias
committed
ede2957

Commits on Jun 24, 2026

Reject bucket writes outside partition layout
mikedias
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c5172e8

Commits on Jun 25, 2026

Update docs to reflect the limitations around Spark
mikedias
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d06e210

Commits on Jul 7, 2026

docs tweaking
mikedias
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c37b785
merge with master
mikedias
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ed95279
trailing whitespaces
mikedias
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49dbe75

Commits on Jul 16, 2026

Add bucket.per-partition-count-enabled config
mikedias
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e0d5bd1
merge with master
mikedias
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ffcd6ea
Validate the option before allowing divergent bucket writing
mikedias
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1bd7597

Commits on Jul 17, 2026

fix ReadWriteTableITCase
mikedias
committed
5500330

Commits on Aug 24, 2026

Merge apache/master and guard partition bucket mismatches
dwangatt
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a0d1240
Preserve FixedBucketWriteSelector constructor compatibility
dwangatt
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589d275
Preserve postpone bucket restore semantics
dwangatt
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4062a90