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Posted to issues@ozone.apache.org by "Sammi Chen (Jira)" <ji...@apache.org> on 2021/09/28 08:16:00 UTC
[jira] [Created] (HDDS-5791) Use Guava Cache to replace current
ResourceLimitCache for stateMachineDataCache
Sammi Chen created HDDS-5791:
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Summary: Use Guava Cache to replace current ResourceLimitCache for stateMachineDataCache
Key: HDDS-5791
URL: https://issues.apache.org/jira/browse/HDDS-5791
Project: Apache Ozone
Issue Type: Improvement
Reporter: Sammi Chen
Assignee: Sammi Chen
In the current ResourceLimitCache, write request data is removed from the stateMachineDataCache when the majority of the ratis peers have committed the request, which leaves the leader to fetch the write data from ContainerStateMachine if it hasn't assemble and send the corresponding appendEntities to the left follower.
This task amis to improve the stateMachineDataCache hit rate by lazily remove element, that is, keep the element in the cache as long as possilbe.
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