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https://issues.apache.org/jira/browse/ROCKETMQ-36?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15813622#comment-15813622
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Roman Shtykh commented on ROCKETMQ-36:
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Yes, I also think that making users configure as they need can be an option.
As a start, this can be documented with an examples.

> Improve broker's GC logs storing
> --------------------------------
>
>                 Key: ROCKETMQ-36
>                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-36
>             Project: Apache RocketMQ
>          Issue Type: Improvement
>            Reporter: Roman Shtykh
>            Assignee: vongosling
>
> To avoid disk I/O potential competition between GC and broker threads, GC 
> logs are placed into {{/dev/shm}}. This is a valid concern, but I propose 
> more consideration to be done to situations when the system crashes (and, as 
> a result, in-memory logs disappear).
> Long-term logging is essential for analysis of the brokers' performance.



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