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From "Dinesh S. Atreya (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9607) Advance Hadoop Architecture (AHA) - HDFS
Date Tue, 05 Jan 2016 11:18:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15082865#comment-15082865
] 

Dinesh S. Atreya commented on HDFS-9607:
----------------------------------------

A configuration parameter {{dfs.support.writeInPlace}}, which is false by default, may need
to be introduced as well.

> Advance Hadoop Architecture (AHA) - HDFS
> ----------------------------------------
>
>                 Key: HDFS-9607
>                 URL: https://issues.apache.org/jira/browse/HDFS-9607
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Dinesh S. Atreya
>
> Link to Umbrella JIRA
> https://issues.apache.org/jira/browse/HADOOP-12620 
> Provide capability to carry out in-place writes/updates. Only writes in-place are supported
where the existing length does not change.
> For example, "Hello World" can be replaced by "Hello HDFS!"
> See https://issues.apache.org/jira/browse/HADOOP-12620?focusedCommentId=15046300&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15046300
for more details.



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