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Posted to hdfs-issues@hadoop.apache.org by "Chengwei Wang (Jira)" <ji...@apache.org> on 2022/08/30 09:22:00 UTC
[jira] [Commented] (HDFS-14082) RBF: Add option to fail operations when a subcluster is unavailable
[ https://issues.apache.org/jira/browse/HDFS-14082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17597712#comment-17597712 ]
Chengwei Wang commented on HDFS-14082:
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Hi [~elgoiri] , as the default value of _*dfs.federation.router.client.allow-partial-listing*_ is {*}_true_{*}, the hdfs client will got _*partial result*_ when one or more of the subclusters are unavailable, but {_}*user would not be awareness of it*{_}.
I think it's better to set the default vale as false or throw a _*PartialResultExeption*_ to hdfs client and let the client decide if partial result is allowed. What do you think?
> RBF: Add option to fail operations when a subcluster is unavailable
> -------------------------------------------------------------------
>
> Key: HDFS-14082
> URL: https://issues.apache.org/jira/browse/HDFS-14082
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Fix For: HDFS-13891
>
> Attachments: HDFS-14082-HDFS-13891.002.patch, HDFS-14082-HDFS-13891.003.patch, HDFS-14082.000.patch, HDFS-14082.001.patch
>
>
> When a subcluster is unavailable, we succeed operations like {{getListing()}}. We should add an option to fail the operation if one of the subclusters is unavailable.
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