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https://issues.apache.org/jira/browse/FLINK-16444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286615#comment-17286615
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Yu Li commented on FLINK-16444:
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[~yunta] Besides these metrics, let's also check and confirm whether more
metrics worth being introduced referring to
[KIP-607|https://cwiki.apache.org/confluence/display/KAFKA/KIP-607%3A+Add+Metrics+to+Kafka+Streams+to+Report+Properties+of+RocksDB].
> Count the read/write/seek/next latency of RocksDB as metrics
> ------------------------------------------------------------
>
> Key: FLINK-16444
> URL: https://issues.apache.org/jira/browse/FLINK-16444
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: Yun Tang
> Assignee: Yun Tang
> Priority: Major
> Fix For: 1.13.0
>
>
> Currently, user cannot know the read/write/seek/next latency of RocksDB, we
> could add these helpful metrics to know the overall state performance. To not
> affect the action performance much, we could introduce counter to only record
> the latency at interval of some actions.
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