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