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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1946) Include dfs.datanode.synconclose in hdfs configuration documentation
Date Tue, 03 Dec 2013 15:54:37 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13837824#comment-13837824
] 

Josh Elser commented on ACCUMULO-1946:
--------------------------------------

[~kturner], I was talking to [~vines] who said this was only a problem with HDFS WALs (not
with closing of files during compaction). That's what influenced the fixVersion.

> Include dfs.datanode.synconclose in hdfs configuration documentation
> --------------------------------------------------------------------
>
>                 Key: ACCUMULO-1946
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1946
>             Project: Accumulo
>          Issue Type: Improvement
>          Components: docs
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>             Fix For: 1.5.1, 1.6.0
>
>
> We should be including some writeup about dfs.datanode.synconclose in our documentation
surrounding the HDFS configuration as it better ensures that data is lost in the face of hard
shutdown (power loss) of the datanode process.



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