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https://issues.apache.org/jira/browse/HDFS-8244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HDFS-8244:
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Description:
Feature request to be able to define custom HDFS storage policies.
For example, being able to define DISK:2, Archive:n - 2.
Motivation for this is when integrating the archive tier on another cheaper
storage system such as Hedvig which we are not in control of and want to hedge
our bets in case something goes wrong with that archive storage system (it's
new and unproven) we don't want just one copy of the data left on our cluster
in case we lose a node.
was:
Feature request to be able to define custom HDFS storage policies.
For example, being able to define DISK:2, Archive:n - 2.
Motivation for this is when integrating the archive tier on another cheaper
storage system such as Hedvig which we are not in control of and want to hedge
our bets in case something goes wrong with that archive storage system (it's
new and unproven) we don't want just one copy of the data left on our cluster
in case we lose a node.
Hari Sekhon
http://www.linkedin.com/in/harisekhon
> HDFS Custom Storage Tier Policies
> ---------------------------------
>
> Key: HDFS-8244
> URL: https://issues.apache.org/jira/browse/HDFS-8244
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: balancer & mover, datanode, HDFS, hdfs-client, namenode
> Affects Versions: 2.6.0
> Environment: HDP 2.2
> Reporter: Hari Sekhon
> Priority: Minor
>
> Feature request to be able to define custom HDFS storage policies.
> For example, being able to define DISK:2, Archive:n - 2.
> Motivation for this is when integrating the archive tier on another cheaper
> storage system such as Hedvig which we are not in control of and want to
> hedge our bets in case something goes wrong with that archive storage system
> (it's new and unproven) we don't want just one copy of the data left on our
> cluster in case we lose a node.
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