[jira] [Commented] (IOTDB-4066) 【1】The allocation of regions and data needs to consider the available disk space of the node

["Gaofei Cao (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IOTDB-4066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17633754#comment-17633754 ] 

Gaofei Cao commented on IOTDB-4066:
-----------------------------------

Choose the DataNode which has less disk usage when CreateRegionGroups.

> 【1】The allocation of regions and data needs to consider the available disk space of the node
> --------------------------------------------------------------------------------------------
>
>                 Key: IOTDB-4066
>                 URL: https://issues.apache.org/jira/browse/IOTDB-4066
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: mpp-cluster
>            Reporter: 刘珍
>            Assignee: Yongzao Dan
>            Priority: Minor
>         Attachments: image-2022-08-08-18-13-49-091.png, image-2022-08-08-18-15-39-357.png
>
>
> region 和数据的分配，需要考虑节点磁盘空间：
> 如下启动测试前，各节点的磁盘空间信息，ip4的可用磁盘空间少：
>  !image-2022-08-08-18-13-49-091.png! 
> 3副本*3 dataregion ，7datanode，会多出来2个副本，其中的1个副本，分配给了可用磁盘少的ip4，写入数据一段时间后ip4发生磁盘空间不足：
>  !image-2022-08-08-18-15-39-357.png! 



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