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https://issues.apache.org/jira/browse/HDFS-15082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17004682#comment-17004682
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Ayush Saxena commented on HDFS-15082:
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is it similar to HDFS-13576?
Regarding the patch :
* Are we having a separate configuration at the Router to specify the path
length independent of the namespace?
If so, I don't think it makes sense.
* The default should be 0, to disable this by default to ensure compatibility?
* What is the use case for having this, or say advantage of having this?
> RBF: Check each component length of destination path when add/update mount
> entry
> --------------------------------------------------------------------------------
>
> Key: HDFS-15082
> URL: https://issues.apache.org/jira/browse/HDFS-15082
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: Xiaoqiao He
> Assignee: Xiaoqiao He
> Priority: Major
> Attachments: HDFS-15082.001.patch
>
>
> When add/update mount entry, each component length of destination path could
> exceed filesystem path component length limit, reference to
> `dfs.namenode.fs-limits.max-component-length` of NameNode. So we should check
> each component length of destination path when add/update mount entry at
> Router side.
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