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https://issues.apache.org/jira/browse/KAFKA-8315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838471#comment-16838471
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Andrew commented on KAFKA-8315:
-------------------------------
[~vvcephei] [~ableegoldman] I was just looking at the unit tests for
PartitionGroup and noticed that the comment refers to timestamps, but the
ConsumerGroup constructor that is used passes the value in the offset parameter
:
[https://github.com/apache/kafka/blob/trunk/streams/src/test/java/org/apache/kafka/streams/processor/internals/PartitionGroupTest.java#L92]
Is this correct?
> Cannot pass Materialized into a join operation - hence cant set retention
> period independent of grace
> -----------------------------------------------------------------------------------------------------
>
> Key: KAFKA-8315
> URL: https://issues.apache.org/jira/browse/KAFKA-8315
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Andrew
> Assignee: John Roesler
> Priority: Major
> Attachments: code.java
>
>
> The documentation says to use `Materialized` not `JoinWindows.until()`
> ([https://kafka.apache.org/22/javadoc/org/apache/kafka/streams/kstream/JoinWindows.html#until-long-]),
> but there is no where to pass a `Materialized` instance to the join
> operation, only to the group operation is supported it seems.
>
> Slack conversation here :
> [https://confluentcommunity.slack.com/archives/C48AHTCUQ/p1556799561287300]
> [Additional]
> From what I understand, the retention period should be independent of the
> grace period, so I think this is more than a documentation fix (see comments
> below)
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