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https://issues.apache.org/jira/browse/KAFKA-5366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16039916#comment-16039916
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ASF GitHub Bot commented on KAFKA-5366:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/3217
> Add cases for concurrent transactional reads and writes in system tests
> -----------------------------------------------------------------------
>
> Key: KAFKA-5366
> URL: https://issues.apache.org/jira/browse/KAFKA-5366
> Project: Kafka
> Issue Type: Test
> Affects Versions: 0.11.0.0
> Reporter: Apurva Mehta
> Assignee: Apurva Mehta
> Priority: Blocker
> Labels: exactly-once
> Fix For: 0.11.0.0
>
>
> Currently the transactions system test does a transactional copy while
> bouncing brokers and clients, and then does a verifying read on the output
> topic to ensure that it exactly matches the input.
> We should also have a transactional consumer reading the tail of the output
> topic as the writes are happening, and then assert that the values _it_ reads
> also exactly match the values in the source topics.
> This test really exercises the abort index, and we don't have any of them in
> the system or integration tests right now.
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