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https://issues.apache.org/jira/browse/HADOOP-13879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735218#comment-15735218
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Steve Loughran commented on HADOOP-13879:
-----------------------------------------
-1
# There's almost no cost in these methods, as they return the defaults. It's
mainly in viewFS that you may have different defaults.
# If you look at implementations {{getServerDefaults(Path)}} defaults to
calling {{getServerDefaults()}} —which is the implementation provided by most
of the filesystem implementations.
# remove that base method and it potentially breaks every FS implementation,
who will have to now implement {{getServerDefaults(Path)}}, and, if they did
implement {{getServerDefaults()}}, either remove it, or at least remove any
{{@Override}} marker.
This is not just going to cause problems client-side, it will break those
implementations.
(moving to HDFS as it's an FS API issue, which makes it their responsibility)
> Remove deprecated FileSystem#getDefault* and getServerDefault methods that
> don't take a Path argument
> ------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-13879
> URL: https://issues.apache.org/jira/browse/HADOOP-13879
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Akira Ajisaka
> Assignee: Akira Ajisaka
> Attachments: HADOOP-13879.01.patch, HADOOP-13879.02.patch,
> HADOOP-13879.03.patch, HADOOP-13879.04.patch
>
>
> FileSystem#getServerDefaults(), #getDefaultReplication, #getDefaultBlockSize
> were deprecated by HADOOP-8422 and the fix version is 2.0.2-alpha. They can
> be removed in Hadoop 3.
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