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https://issues.apache.org/jira/browse/KAFKA-8315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838550#comment-16838550
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Andrew commented on KAFKA-8315:
-------------------------------
This test appears to work ok
[https://github.com/the4thamigo-uk/kafka/commit/560432e7daae217a2255161787dd55ca56845794.]
> 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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