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https://issues.apache.org/jira/browse/KAFKA-5058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang resolved KAFKA-5058.
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Resolution: Fixed
Assignee: John Roesler
Fix Version/s: 2.0.0
This has been resolved in
https://cwiki.apache.org/confluence/display/KAFKA/KIP-274%3A+Kafka+Streams+Skipped+Records+Metrics,
coming in 2.0
> Add a sensor to KafkaStreams to track records that have been dropped due to
> having a null key
> ---------------------------------------------------------------------------------------------
>
> Key: KAFKA-5058
> URL: https://issues.apache.org/jira/browse/KAFKA-5058
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.2.0
> Reporter: Damian Guy
> Assignee: John Roesler
> Priority: Minor
> Fix For: 2.0.0
>
>
> In various places, i.e., {{KTableSource}}, {{StoreChangelogReader}},
> {{KStreamWindowAggregate}} etc, we drop records with a null key. We probably
> should consider creating a sensor to track records that have been dropped.
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