docs: MultiJoinStreamingDataset design plan (V1/V2) - #869
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Customer-facing proposal for co-partitioned multi-table streaming with an atomic version manifest, covering phase V1 aligned LitData chunks and phase V2 independently compacted column families. Co-authored-by: Cursor <cursoragent@cursor.com>
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Replace customer-specific entity names, paths, and examples with generic multi-table terminology so the design can be shared publicly. Co-authored-by: Cursor <cursoragent@cursor.com>
Snapshot IDs are human-readable publish names, not chunk content hashes. Examples now use table_0 / table_1 / table_2 throughout. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
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Drop MultiJoinWriter / key_name in favor of optimize-like joint_optimize calls that can run as distributed jobs and publish snapshots on success. Co-authored-by: Cursor <cursoragent@cursor.com>
for more information, see https://pre-commit.ci
Lock join_optimize + join_update_optimize, input planning, sequential key validation, uniqueness, and snapshot concurrency rules into the design plan. Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
for more information, see https://pre-commit.ci
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Summary
MultiJoinStreamingDatasetunder.claude/plans/.ParallelStreamingDataset.This is a design document only — no runtime code changes.
Test plan
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