[jira] [Commented] (ROCKETMQ-27) Add storage partition online

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ROCKETMQ-27?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16288890#comment-16288890 ] 

ASF GitHub Bot commented on ROCKETMQ-27:
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vongosling commented on issue #28: [ROCKETMQ-27]Add store commitlog path online
URL: https://github.com/apache/rocketmq/pull/28#issuecomment-351321191
 
 
    @dongeforever Consider the coming 4.2 release time slot, we'd better postpone this feature. @lizhanhui Could you pick up this pr, and please let me know. when it is ready for release :-)

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> Add storage partition online
> ----------------------------
>
>                 Key: ROCKETMQ-27
>                 URL: https://issues.apache.org/jira/browse/ROCKETMQ-27
>             Project: Apache RocketMQ
>          Issue Type: New Feature
>          Components: rocketmq-store, rocketmq-tools
>    Affects Versions: 4.1.0-incubating
>            Reporter: Zhanhui Li
>            Assignee: vongosling
>             Fix For: 4.2.0
>
>
> RocketMQ broker stores all messages before they are expired, which requires pretty much storage for a high load system. For now, the message store can be configured to use only one partition. Quite often, we find broker runs out of storage as business expands quickly. Online resizing a partition most of time is not possible(with absence of LVM) whilst attaching a new disk/partition in cloud environment is super easy. 
> It would be nice for RocketMQ to be capable of adding extra commit log store path online, allocating commit log files onto partitions based on free/available space. 



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