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https://issues.apache.org/jira/browse/SPARK-34297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17275535#comment-17275535
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Apache Spark commented on SPARK-34297:
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User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/31398
> Add metrics for data loss and offset out range for KafkaMicroBatchStream
> ------------------------------------------------------------------------
>
> Key: SPARK-34297
> URL: https://issues.apache.org/jira/browse/SPARK-34297
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 3.2.0
> Reporter: L. C. Hsieh
> Assignee: L. C. Hsieh
> Priority: Major
>
> When testing SS, I found it is hard to track data loss of SS reading from
> Kafka. The micro scan node has only one metric, number of output rows. Users
> have no idea how many times offsets to fetch are out of Kafak now, how many
> times data loss happens.
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