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https://issues.apache.org/jira/browse/HDFS-12102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal reassigned HDFS-12102:
------------------------------------

    Assignee: Ashwin Ramesh

> VolumeScanner throttle dropped (fast scan enabled) when there is a corrupt 
> block
> --------------------------------------------------------------------------------
>
>                 Key: HDFS-12102
>                 URL: https://issues.apache.org/jira/browse/HDFS-12102
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, hdfs
>    Affects Versions: 2.8.2
>            Reporter: Ashwin Ramesh
>            Assignee: Ashwin Ramesh
>            Priority: Minor
>             Fix For: 2.8.2
>
>         Attachments: HDFS-12102-001.patch, HDFS-12102-002.patch, 
> HDFS-12102-003.patch
>
>
> When the Volume scanner sees a corrupt block, it restarts the scan and scans 
> the blocks at much faster rate with a negligible scan period. This is so that 
> it doesn't take 3 weeks to report blocks since a corrupt block means 
> increased likelihood that there are more corrupt blocks.



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