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Posted to issues@rocketmq.apache.org by "dongeforever (JIRA)" <ji...@apache.org> on 2017/06/02 01:52:04 UTC

[jira] [Updated] (ROCKETMQ-91) 4.2

     [ https://issues.apache.org/jira/browse/ROCKETMQ-91?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dongeforever updated ROCKETMQ-91:
---------------------------------
    Fix Version/s:     (was: 4.1.0-incubating)
                   4.2.0-incubating

> 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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