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https://issues.apache.org/jira/browse/RATIS-1983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17880802#comment-17880802
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Duong commented on RATIS-1983:
------------------------------

[~weichiu] The revert in release-3.1.1 branch is a workaround for 3.1 only. The 
root issue (RATIS-2141) only happens in 3.1 because 3.1 only contains the 
change from this issue which is halfway of the zero-copy implementation.  The 
master branch contains the complete zero-copy implementation.

> Refactor client request processing to support reference count
> -------------------------------------------------------------
>
>                 Key: RATIS-1983
>                 URL: https://issues.apache.org/jira/browse/RATIS-1983
>             Project: Ratis
>          Issue Type: Sub-task
>          Components: server
>            Reporter: Tsz-wo Sze
>            Assignee: Tsz-wo Sze
>            Priority: Major
>             Fix For: 3.1.0
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> RATIS-1925 needs to release the underlying buffer after
> - processClientRequest, and
> - evictCache.
> In this JIRA, we refactor the code to support reference count.   The buffer 
> can be released once the count has decremented to zero.



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