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https://issues.apache.org/jira/browse/HADOOP-130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Shvachko resolved HADOOP-130.
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Resolution: Duplicate
> Should be able to specify "wide" or "full" replication
> ------------------------------------------------------
>
> Key: HADOOP-130
> URL: https://issues.apache.org/jira/browse/HADOOP-130
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.2.0
> Environment: N/A
> Reporter: Bryan Pendleton
> Assignee: Konstantin Shvachko
> Priority: Minor
>
> Should be able to specify that a file be "fully" or "widely" replicated,
> rather than an explicit replication count. This would be useful for job
> configuration and jar files, and probably other files whose use is wide
> enough to necessitate reducing latency to access them.
> The current implementation will also complain if you specify replication that
> is wider than the system's maximum replication value, and has no facility to
> enable "full" replication should the number of datanodes exceed the current
> maximum settable value of 32k.
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