Guozhang Wang created KAFKA-3183:
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Summary: Add metrics for persistent store caching layer
Key: KAFKA-3183
URL: https://issues.apache.org/jira/browse/KAFKA-3183
Project: Kafka
Issue Type: Sub-task
Reporter: Guozhang Wang
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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