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https://issues.apache.org/jira/browse/FLINK-22141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dawid Wysakowicz reassigned FLINK-22141:
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Assignee: Yuan Mei
> Manually test exactly-once JDBC sink
> ------------------------------------
>
> Key: FLINK-22141
> URL: https://issues.apache.org/jira/browse/FLINK-22141
> Project: Flink
> Issue Type: Test
> Components: Connectors / JDBC
> Reporter: Roman Khachatryan
> Assignee: Yuan Mei
> Priority: Blocker
> Labels: release-testing
> Fix For: 1.13.0
>
>
> In FLINK-15578, an API and its implementation were added to JDBC connector to
> support exactly-once semantics for sinks. The implementation uses JDBC XA
> transactions.
> The scope of this task is to make sure:
> # The feature is well-documented
> # The API is reasonably easy to use
> # The implementation works as expected
> ## normal case: database is updated on checkpointing
> ## failure and recovery case: no duplicates inserted, no records skipped
> ## several DBs: postgressql, mssql, oracle (mysql has a known issue:
> FLINK-21743)
> ## concurrent checkpoints > 1, DoP > 1
> # Logging is meaningful
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