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https://issues.apache.org/jira/browse/HDFS-1370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HDFS-1370:
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Attachment: getBlocksLimit.patch
Here comes the patch!
> NameNode should limit the number of blocks to return when balancer asks for a
> partial blocks map
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-1370
> URL: https://issues.apache.org/jira/browse/HDFS-1370
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.22.0
>
> Attachments: getBlocksLimit.patch
>
>
> This has a couple of advantages:
> 1. limit the response size;
> 2. limit the amount of time when serving getBlocks call, hence improving NN's
> responsiveness.
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