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https://issues.apache.org/jira/browse/KAFKA-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ray Chiang updated KAFKA-6465:
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Component/s: log
> Add a metrics for the number of records per log
> -----------------------------------------------
>
> Key: KAFKA-6465
> URL: https://issues.apache.org/jira/browse/KAFKA-6465
> Project: Kafka
> Issue Type: Bug
> Components: log
> Reporter: Ivan Babrou
> Priority: Major
>
> Currently there are log metrics for:
> * Start offset
> * End offset
> * Size in bytes
> * Number of segments
> I propose to add another metric to track number of record batches in the log.
> This should provide operators with an idea of how much batching is happening
> on the producers. Having this metric in one place seems easier than scraping
> the metric from each producer.
> Having an absolute counter may be infeasible (batches are not assigned
> sequential IDs), but gauge should be ok. Average batch size can be calculated
> as (end offset - start offset) / number of batches. This will be heavily
> skewed for logs with long retention, though.
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