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Posted to issues@ozone.apache.org by "Shilun Fan (Jira)" <ji...@apache.org> on 2024/09/23 16:35:00 UTC
[jira] [Commented] (HDDS-11481) Enhanced SCM Support for DataNode Management
[ https://issues.apache.org/jira/browse/HDDS-11481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17883948#comment-17883948 ]
Shilun Fan commented on HDDS-11481:
-----------------------------------
[~adoroszlai] [~erose] From your perspective, do you think we need this functionality? This involves some redesign of the SCM web page. I’ve made a small attempt, as shown in the screenshot, but it seems we are currently promoting Recon. I’m unsure if modifying the SCM web page would be acceptable.
> Enhanced SCM Support for DataNode Management
> --------------------------------------------
>
> Key: HDDS-11481
> URL: https://issues.apache.org/jira/browse/HDDS-11481
> Project: Apache Ozone
> Issue Type: Wish
> Components: SCM
> Reporter: Shilun Fan
> Assignee: Shilun Fan
> Priority: Major
> Attachments: screenshot-1.png
>
>
> I plan to enhance SCM's support for DataNode management, including features like blacklist and whitelist.
> Compared to the DataNode management functionality in HDFS, SCM's DataNode management still has some incomplete features:
> 1. For instance, the blacklist and whitelist functionality is missing. Currently, all DataNodes can register with SCM once they are started, but for the sake of completeness, we should implement a blacklist feature.
> 2. The display list function for DataNodes in SCM is not user-friendly, with the following issues:
> -The list does not support global sorting.
> - It cannot display the decommissioning progress. Once the decommissioning process begins, we can only passively refresh the page or rely on metrics to make judgments.
> - Key information about DataNodes is missing from the list, such as the number of containers and the number of pipelines.
> 3. In HDFS, if multiple DataNode versions are detected in the cluster, there are helpful prompts, but SCM's recognition and support for multiple DataNode versions are insufficient.
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