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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3001) FileSystems should track how many bytes are read and written
Date Thu, 20 Mar 2008 22:23:24 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Owen O'Malley updated HADOOP-3001:
----------------------------------

    Attachment: 3001.patch

This patch extends the FileSystem to get a statistics object that it can use for update the
number of bytes read and written by the client. Map/Reduce gets task counters that count the
number of bytes read and written by HDFS, LocalRaw, S3, and KFS.

> FileSystems should track how many bytes are read and written
> ------------------------------------------------------------
>
>                 Key: HADOOP-3001
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3001
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>             Fix For: 0.17.0
>
>         Attachments: 3001.patch
>
>
> It would be nice if the file systems could track the number of bytes read and written
for each class of FileSystem. Map/Reduce could then report these numbers back as counters
to provide information about how much data is read and written.

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