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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-814) Add an api to get the visible length of a DFSDataInputStream.
Date Fri, 05 Mar 2010 17:38:27 GMT

     [ https://issues.apache.org/jira/browse/HDFS-814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HDFS-814:
-------------------------------

    Attachment: privateInputStream.patch

This patch reverts the change that makes DFSInputStream private in the previous patch.

> Add an api to get the visible length of a DFSDataInputStream.
> -------------------------------------------------------------
>
>                 Key: HDFS-814
>                 URL: https://issues.apache.org/jira/browse/HDFS-814
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs client
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.21.0, 0.22.0
>
>         Attachments: getLength-yahoo-0.20.patch, h814_20091221.patch, h814_20091221_0.21.patch,
privateInputStream.patch
>
>
> Hflush guarantees that the bytes written before are visible to the new readers.  However,
there is no way to get the length of the visible bytes.  The visible length is useful in some
applications like SequenceFile.

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