[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=16171052#comment-16171052 ] 

ASF GitHub Bot commented on ROCKETMQ-27:
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Github user dongeforever commented on the issue:

    https://github.com/apache/incubator-rocketmq/pull/28
  
    @lizhanhui LGTM. Version 4.2.0 is going  to be released now. It will be nice to contain this feature. Could you please add one IT Test to maintain the quality?



> 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-incubating
>
>
> 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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