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https://issues.apache.org/jira/browse/RATIS-2142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze resolved RATIS-2142.
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Resolution: Duplicate
Resolving this as a duplicate of RATIS-2141.
> OOM for stateMachineCache use cases
> -----------------------------------
>
> Key: RATIS-2142
> URL: https://issues.apache.org/jira/browse/RATIS-2142
> Project: Ratis
> Issue Type: Bug
> Components: server
> Affects Versions: 3.1.0
> Reporter: Duong
> Priority: Major
>
> In 3.1.0, with stateMachineCache enabled, the RaftLogCache entries contain a
> reference to the original RaftClientRequest. This is not supposed to happen
> as RaftLogCache entries should only refer to the LogEntries with data
> truncated.
> This problem impacts Apache Ozone. The reference form RaftLogCache entries
> prevent the original RaftClientRequest (which contains a large data chunk) to
> be GCed timely. The result is Ozone datanodes quickly run out of heap memory.
> This is not the case with the latest master branch, only with the 3.1.0
> release.
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