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From "Harsh J (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1314) dfs.block.size accepts only absolute value
Date Tue, 27 Dec 2011 08:54:31 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176115#comment-13176115
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Harsh J commented on HDFS-1314:
-------------------------------

Thanks for the revised patch Sho - this looks good. Only a few further, mostly docs related,
comments that pertain to HDFS:

- For hdfs.c, would it be possible for you to also switch the blockSize and replication loading
to use jFS's getDefaultBlockSize and getDefaultReplication calls instead of loading from Configuration?
Would be a nice cleanup but if you want to pursue this on another JIRA please open a new one
and we can do it there overall.
- You can add more documentation notes to cluster_setup, explaining the most common prefixes
(k, m, g) can be provided for block sizes instead of long values. Also worth it if you add
the prefix list to the {{hdfs-default.xml}} docs.
                
> dfs.block.size accepts only absolute value
> ------------------------------------------
>
>                 Key: HDFS-1314
>                 URL: https://issues.apache.org/jira/browse/HDFS-1314
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Karim Saadah
>            Assignee: Sho Shimauchi
>            Priority: Minor
>              Labels: newbie
>         Attachments: hdfs-1314.txt, hdfs-1314.txt
>
>
> Using "dfs.block.size=8388608" works 
> but "dfs.block.size=8mb" does not.
> Using "dfs.block.size=8mb" should throw some WARNING on NumberFormatException.
> (http://pastebin.corp.yahoo.com/56129)

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