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https://issues.apache.org/jira/browse/HADOOP-8299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko updated HADOOP-8299:
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Fix Version/s: 2.10.1
> ViewFileSystem link slash mount point crashes with IndexOutOfBoundsException
> ----------------------------------------------------------------------------
>
> Key: HADOOP-8299
> URL: https://issues.apache.org/jira/browse/HADOOP-8299
> Project: Hadoop Common
> Issue Type: Bug
> Components: viewfs
> Affects Versions: 3.0.0-alpha1
> Reporter: Eli Collins
> Assignee: Manoj Govindassamy
> Priority: Major
> Fix For: 3.0.0-alpha2, 2.10.1
>
> Attachments: HADOOP-8299.01.patch, HADOOP-8299.02.patch
>
>
> We currently assume [a typical viewfs client
> configuration|https://issues.apache.org/jira/secure/attachment/12507504/viewfs_TypicalMountTable.png]
> is a set of non-overlapping mounts. This means every time you want to add a
> new top-level directory you need to update the client-side mountable config.
> If users could specify a slash mount, and then add additional mounts as
> necessary they could add a new top-level directory without updating all
> client configs (as long as the new top-level directory was being created on
> the NN the slash mount points to). This could be achieved by HADOOP-8298
> (merge mounts, since we're effectively merging all new mount points with
> slash) or having the notion of a "default NN" for a mount table.
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