Sumit Agrawal created HDDS-9457:
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Summary: Follower cache to reduce cache miss in container state
machine
Key: HDDS-9457
URL: https://issues.apache.org/jira/browse/HDDS-9457
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Sumit Agrawal
Assignee: Sumit Agrawal
*Slow follower impact* for cache when one of follower cache removed:
* Read from disk will happen as cache will not have entry
* Slow followers can not be addressed with cache as cache capacity is limited.
*Best Effort:* to reduce cache miss for in-progress follower sync:
* *Follower cache* for keeping last 10 entry (max size: 4MB * 10=>40MB)
* Cleanup when All follower in sync
This cache also,
* Eviction policy with FIFO
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