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https://issues.apache.org/jira/browse/HDFS-10467?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-10467:
-------------------------------
Release Note:
HDFS Router-based Federation adds a RPC routing layer that provides a federated
view of multiple HDFS namespaces.
This is similar to the existing ViewFS and HDFS federation functionality,
except the mount table is managed on the server-side by the routing layer
rather than on the client.
This simplifies access to a federated cluster for existing HDFS clients.
See HDFS-10467 and the HDFS Router-based Federation documentation for more
details.
was:
HDFS Router-Based Federation adds a routing layer to provide a federated view
of multiple namespaces.
Users can interact with this new Router as it was a regular Namenode to access
the federated view.
It uses a mount table to decide which folders are mounted in which namespace
(similar to ViewFs).
See the HDFS Router-Based Federation documentation for more details on how to
set it up.
> Router-based HDFS federation
> ----------------------------
>
> Key: HDFS-10467
> URL: https://issues.apache.org/jira/browse/HDFS-10467
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: fs
> Affects Versions: 2.8.1
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Labels: RBF
> Fix For: 3.0.0
>
> Attachments: HDFS Router Federation.pdf, HDFS-10467.002.patch,
> HDFS-10467.PoC.001.patch, HDFS-10467.PoC.patch,
> HDFS-Router-Federation-Prototype.patch
>
>
> Add a Router to provide a federated view of multiple HDFS clusters.
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