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https://issues.apache.org/jira/browse/SPARK-57150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-57150.
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Resolution: Fixed
Resolving as Fixed: this change was merged to master. Implementing commit:
c87b8dca5775 [SPARK-57150][SDP] SCD1 Out-of-order Convergence Suite. (Triaged
as a stranded ticket — the fix landed but the JIRA was left unresolved.
Verified present on current master and not reverted.)
> AutoCDC SCD1 Out-of-order Event Convergence Tests
> -------------------------------------------------
>
> Key: SPARK-57150
> URL: https://issues.apache.org/jira/browse/SPARK-57150
> Project: Spark
> Issue Type: Sub-task
> Components: Declarative Pipelines
> Affects Versions: 4.3.0
> Reporter: Anish Mahto
> Priority: Major
> Labels: pull-request-available
>
> A key feature of SDP's AutoCDC implementation is that it supports reconciling
> out-of-order (by sequence) events. This support also adds significant
> complexity to the reconciliation logic as it requires cross-microbatch
> stateful tracking in the auxiliary table, and is prone to breaking as the
> implementation evolves over time.
> Introduce an A/B style test suite to execute the implementation on both a
> sequence-sorted single-microbatch event stream and the same events on a
> shuffled multi-microbatch event stream. If out-of-order processing is
> correct, then the SCD1 implementation should produce the same target tables
> for both runs.
> Data is randomly generated, but with a constant seed for reproducibility.
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