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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2384) Improve speed of block report generation
Date Mon, 03 Oct 2011 20:56:34 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-2384:
------------------------------

    Affects Version/s:     (was: 0.20.206.0)
             Assignee:     (was: Todd Lipcon)

Removing fix version since, with HDFS-2379, doing this optimization is less urgent.
                
> Improve speed of block report generation
> ----------------------------------------
>
>                 Key: HDFS-2384
>                 URL: https://issues.apache.org/jira/browse/HDFS-2384
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>            Reporter: Todd Lipcon
>         Attachments: breport.c, breport.c
>
>
> This JIRA is to track a couple of potential improvements to the speed of block report
generation while scanning the disks. In 0.20, the disks are scanned for every block report,
though in trunk the block reports are generally built from memory.

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