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https://issues.apache.org/jira/browse/HADOOP-14726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16113415#comment-16113415
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Chris Douglas commented on HADOOP-14726:
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bq. I think it's too late to remove at this point in the release cycle; if
we're serious about doing this for Hadoop 4, then let's file JIRAs for these
downstreams to switch over.
Hrm; seems like it's too late to remove this, ever. So it goes.
bq. It is still incompatible though, since marking isDir final breaks
out-of-tree FileSystems that override it. Is this necessary?
It's not necessary, it's the most aggressive variant we could push in Hadoop 3.
I could make something up about JIT efficiency when {{isDir}} is final, but the
only real argument in favor is to make sure FileSystem implementors override
these two calls consistently. It's a corner of a corner case, either way.
> Remove FileStatus#isDir
> -----------------------
>
> Key: HADOOP-14726
> URL: https://issues.apache.org/jira/browse/HADOOP-14726
> Project: Hadoop Common
> Issue Type: Task
> Components: fs
> Reporter: Chris Douglas
> Priority: Minor
> Attachments: HADOOP-14726.000.patch
>
>
> FileStatus#isDir was deprecated in 0.21 (HADOOP-6585).
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