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https://issues.apache.org/jira/browse/KAFKA-4359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15671584#comment-15671584
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ASF GitHub Bot commented on KAFKA-4359:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/2124
> Streams integration tests should not use commit interval of 1
> -------------------------------------------------------------
>
> Key: KAFKA-4359
> URL: https://issues.apache.org/jira/browse/KAFKA-4359
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.1.1
> Reporter: Eno Thereska
> Assignee: Eno Thereska
> Fix For: 0.10.2.0
>
>
> Several streams integration tests use two cache sizes, 0 and 10MB. However,
> when they use 10MB, they still use a very small commit interval (1ms). That
> leads to two problems:1) a small commit interval often has the same effect as
> having the cache size be 0, and 2) a small commit interval is not exactly the
> same as the cache size being 0 and in some cases there is deduplication. This
> leads to the tests failing, since they don't expect deduplication.
> To solve this issue, look at KStreamAggregationDedupIntegrationTest and
> KStreamAggregationIntegrationTest. If you want to test dedup, it would be
> necessary to create another file.
> Several tests need this cleanup.
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