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https://issues.apache.org/jira/browse/SPARK-17815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15558528#comment-15558528
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Cody Koeninger commented on SPARK-17815:
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So if you start committing offsets to kafka, there are going to be potentially
three places offsets are stored:
1. structured WAL
2. kafka commit topic
3. downstream store
It's going to be easy to get confused as to what the source of truth is.
> Report committed offsets
> ------------------------
>
> Key: SPARK-17815
> URL: https://issues.apache.org/jira/browse/SPARK-17815
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Michael Armbrust
>
> Since we manage our own offsets, we have turned off auto-commit. However,
> this means that external tools are not able to report on how far behind a
> given streaming job is. When the user manually gives us a group.id, we
> should report back to it.
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