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https://issues.apache.org/jira/browse/FLINK-15578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17202915#comment-17202915
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Roman Khachatryan commented on FLINK-15578:
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Hi [~klden],
There no blockers, it just has lower priority currently than other features.
However, I hope this to be included into 1.12.
Thanks.
> Implement exactly-once JDBC sink
> --------------------------------
>
> Key: FLINK-15578
> URL: https://issues.apache.org/jira/browse/FLINK-15578
> Project: Flink
> Issue Type: New Feature
> Components: Connectors / JDBC
> Reporter: Roman Khachatryan
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> As per discussion in the dev mailing list, there are two options:
> # Write-ahead log
> # Two-phase commit (XA)
> the latter being preferable.
>
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