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https://issues.apache.org/jira/browse/KAFKA-3183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang updated KAFKA-3183:
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Issue Type: Bug (was: Sub-task)
Parent: (was: KAFKA-2590)
> Add metrics for persistent store caching layer
> ----------------------------------------------
>
> Key: KAFKA-3183
> URL: https://issues.apache.org/jira/browse/KAFKA-3183
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Guozhang Wang
> Labels: user-experience
> Fix For: 0.10.1.0
>
>
> We need to add the metrics collection such as cache hits / misses, cache
> size, dirty key size, etc for the RocksDBStore. However this may need to
> refactor the RocksDBStore a little bit since currently caching is not exposed
> to the MeteredKeyValueStore, and it uses an LRUCacheStore as the cache that
> does not keep the dirty key set.
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