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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4991) HDFSSeek API fails to seek to position when file is opened in write mode.
Date Sun, 14 Jul 2013 10:38:48 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J resolved HDFS-4991.
---------------------------

    Resolution: Invalid

First off, please do not use the JIRA as a Q&A medium. The HDFS project provides and maintains
a development list at hdfs-dev@hadoop.apache.org you should mail to with such questions. Only
file valid issues on the JIRA please.

Onto your question, HDFS has no random-write features, it does not support it yet, hence there
exists no API. If you plan to add such a feature, a design document for your implementation
idea and discussion on the hdfs-dev@ lists is very welcome. Merely adding an API will not
solve this - you will need to understand why its a limitation at the architecture level currently
first.

Resolving as invalid. Please use lists for general Q&A.
                
> HDFSSeek API fails to seek to position when file is opened in write mode.
> -------------------------------------------------------------------------
>
>                 Key: HDFS-4991
>                 URL: https://issues.apache.org/jira/browse/HDFS-4991
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: libhdfs
>    Affects Versions: 0.20.1
>         Environment: Redhat Linux
>            Reporter: Dayakar Reddy
>
> Hi,
> hdfsSeek API fails to seek to position when file is opened in write mode. I studied in
documentation that hdfsSeek is only supported when file is opened in read mode.
> We have a requirement of replacing the file resided on hadoop environment.
> Is there any possibility of having HDFSSeek to be supported when file is opened in write
mode?
> Regards,
> Dayakar

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