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From "Eli Collins (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3147) The client should be able to specify which network interfaces to use
Date Sun, 25 Mar 2012 21:14:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HDFS-3147:
------------------------------

    Component/s:     (was: data-node)
                 hdfs client
    Description: HDFS-3146 exposes multiple Datanode interfaces to the client. However, not
all interfaces exposed to clients should be used, eg because not all addresses given to clients
may be routable by the client, or a user may want to restrict off-cluster clients from using
cluster-private interfaces. Therefore the user should be able to configure clients to use
a subset of the addresses they are given. This can be accomplished by a new configuration
option ({{dfs.client.available.interfaces}}) that takes a list of interfaces to use, interfaces
that don't match the configuration are ignored. Acceptable configuration values are the same
as the {{dfs.datanode.available.interfaces}} parameter. In addition, we could also add an
option where clients automatically check if they can connect to each interface that's given
them, and filter those out by default.  (was: HDFS-3146 exposes multiple interfaces to the
client. However, not all interfaces exposed to clients should be used, eg because not all
addresses given to clients may be routable by the client, or a user may want to restrict off-cluster
clients from using cluster-private interfaces. Therefore the user should be able to configure
clients to use a subset of the addresses they are given. This can be accomplished by a new
configuration option ({{dfs.client.available.interfaces}}) that takes a list of interfaces
to use, interfaces that don't match the configuration are ignored. Acceptable configuration
values are the same as the {{dfs.datanode.available.interfaces}} parameter. In addition, we
could also add an option where clients automatically check if they can connect to each interface
that's given them, and filter those out by default.)
    
> The client should be able to specify which network interfaces to use
> --------------------------------------------------------------------
>
>                 Key: HDFS-3147
>                 URL: https://issues.apache.org/jira/browse/HDFS-3147
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs client
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>
> HDFS-3146 exposes multiple Datanode interfaces to the client. However, not all interfaces
exposed to clients should be used, eg because not all addresses given to clients may be routable
by the client, or a user may want to restrict off-cluster clients from using cluster-private
interfaces. Therefore the user should be able to configure clients to use a subset of the
addresses they are given. This can be accomplished by a new configuration option ({{dfs.client.available.interfaces}})
that takes a list of interfaces to use, interfaces that don't match the configuration are
ignored. Acceptable configuration values are the same as the {{dfs.datanode.available.interfaces}}
parameter. In addition, we could also add an option where clients automatically check if they
can connect to each interface that's given them, and filter those out by default.

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