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https://issues.apache.org/jira/browse/ROCKETMQ-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dongeforever updated ROCKETMQ-91:
---------------------------------
Summary: 4.2 (was: Reduce lock granularity for putMessage)
> 4.2
> ---
>
> Key: ROCKETMQ-91
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-91
> Project: Apache RocketMQ
> Issue Type: Improvement
> Affects Versions: 4.1.0-incubating
> Reporter: dongeforever
> Assignee: dongeforever
> Fix For: 4.2.0-incubating
>
>
> CommitLog putMessage has a lock as:
> lockForPutMessage()
> ....
> releasePutMessageLock()
> The logic inside the lock includes two main operations:
> 1 encode the message
> 2 write to the PageCache.
> However, we can take the first operation(encode message) out from the lock to
> achieve better performance.
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