[
https://issues.apache.org/jira/browse/HDFS-17052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Xiaoqiao He resolved HDFS-17052.
--------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
Committed to trunk. And mark it is contributed by both [~zhtttylzz] and
[~zhangshuyan]. Thanks.
> Improve BlockPlacementPolicyRackFaultTolerant to avoid choose nodes failed
> when no enough Rack.
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-17052
> URL: https://issues.apache.org/jira/browse/HDFS-17052
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namanode
> Affects Versions: 3.4.0
> Reporter: Hualong Zhang
> Assignee: Hualong Zhang
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Attachments: failed reconstruction ec in same rack-1.png, write ec in
> same rack.png
>
>
> When writing EC data, if the number of racks matching the storageType is
> insufficient, more than one block are allowed to be written to the same rack
> !write ec in same rack.png|width=962,height=604!
>
>
>
> However, during EC block recovery, it is not possible to recover on the same
> rack, which deviates from the expected behavior.
> !failed reconstruction ec in same rack-1.png|width=946,height=413!
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
