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https://issues.apache.org/jira/browse/HDFS-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HDFS-1175:
-----------------------------------

        Status: Resolved  (was: Patch Available)
    Resolution: Invalid

HAR is part of the MAPREDUCE project. Please open a JIRA there 
https://issues.apache.org/jira/browse/MAPREDUCE and then attach the patch to 
that JIRA. Thanks for doing this.

> HAR files used for RAID parity need to have configurable partfile size
> ----------------------------------------------------------------------
>
>                 Key: HDFS-1175
>                 URL: https://issues.apache.org/jira/browse/HDFS-1175
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: contrib/raid
>    Affects Versions: 0.20.1
>            Reporter: Ramkumar Vadali
>            Priority: Minor
>         Attachments: HDFS-1175.patch
>
>
> RAID parity files are merged into HAR archives periodically. This is required 
> to reduce the number of files that the NameNode has to track. The number of 
> files present in a HAR archive depends on the size of HAR part files - higher 
> the size, lower the number of files.
> The size of HAR part files is configurable through the setting 
> har.partfile.size, but that is a global setting. This task introduces a new 
> setting specific to raid.har.partfile.size, that is used in-turn to set 
> har.partfile.size

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