Eli Collins created HADOOP-8299:
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Summary: ViewFs doesn't work with a slash mount point
Key: HADOOP-8299
URL: https://issues.apache.org/jira/browse/HADOOP-8299
Project: Hadoop Common
Issue Type: Bug
Components: fs
Affects Versions: 2.0.0
Reporter: Eli Collins
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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