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https://issues.apache.org/jira/browse/HDDS-5710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jackson Yao reassigned HDDS-5710:
---------------------------------

    Assignee: Jackson Yao

> initialize sequenceIdToLastIdMap when SequenceIdGenerator#StateManager 
> reinitializes
> ------------------------------------------------------------------------------------
>
>                 Key: HDDS-5710
>                 URL: https://issues.apache.org/jira/browse/HDDS-5710
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Jackson Yao
>            Assignee: Jackson Yao
>            Priority: Major
>
> in GrpcLogAppender.java,  `synchronized` is used for two purposes:
> 1 protect `wait()`
> 2 protect variables like  `pendingRequests`, `pending` , etc.
> i think it is better off add a separate RWLock for the second case , and keep 
> `synchronized` only for wait and notify, thus any slow IO option will not 
> block notify



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