[jira] [Resolved] (KAFKA-6498) Add RocksDB statistics via Streams metrics

["Bruno Cadonna (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-6498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bruno Cadonna resolved KAFKA-6498.
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    Resolution: Done

> Add RocksDB statistics via Streams metrics
> ------------------------------------------
>
>                 Key: KAFKA-6498
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6498
>             Project: Kafka
>          Issue Type: Improvement
>          Components: metrics, streams
>            Reporter: Guozhang Wang
>            Assignee: Bruno Cadonna
>            Priority: Major
>              Labels: kip
>
> RocksDB's own stats can be programmatically exposed via {{Options.statistics()}} and the JNI `Statistics` has indeed implemented many useful settings already. However these stats are not exposed directly via Streams today and hence for any users who wants to get access to them they have to manually interact with the underlying RocksDB directly, not through Streams.
> We should expose such stats via Streams metrics programmatically for users to investigate them without trying to access the rocksDB directly.
> [KIP-471: Expose RocksDB Metrics in Kafka Streams|http://cwiki.apache.org/confluence/display/KAFKA/KIP-471%3A+Expose+RocksDB+Metrics+in+Kafka+Streams]



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