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https://issues.apache.org/jira/browse/HDFS-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ravi Prakash resolved HDFS-1195.
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Resolution: Later
Release Note: I think I like the proposal in HDFS-2537 more than this one.
Also it hasn't seen any activity in forever. Closing.
> Offer rate limits for replicating data
> ---------------------------------------
>
> Key: HDFS-1195
> URL: https://issues.apache.org/jira/browse/HDFS-1195
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 0.20.2
> Environment: Linux, Hadoop 0.20.1 CDH
> Reporter: Kevin Weil
>
> If a rack of Hadoop nodes goes down, there is a lot of data to re-replicate.
> It would be great to have a configuration option to rate-limit the amount of
> bandwidth used for re-replication so as not to saturate network backlinks.
> There is a similar option for rate limiting the speed at which a DFS
> rebalance takes place: dfs.balance.bandwidthPerSec.
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