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https://issues.apache.org/jira/browse/HDFS-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13108121#comment-13108121
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Milind Bhandarkar commented on HDFS-2246:
-----------------------------------------

@Eli, I think Konst kept HDFS-2285 open for trunk commit.

I took a brief look at this patch, and relying on a substring in the exception 
message is the anti-pattern used here. Can a subclass of 
InvalidBlockTokenException be created that specifically indicates token 
expired, and ex checked as instanceof of that ?

> Shortcut a local client reads to a Datanodes files directly
> -----------------------------------------------------------
>
>                 Key: HDFS-2246
>                 URL: https://issues.apache.org/jira/browse/HDFS-2246
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Sanjay Radia
>         Attachments: 0001-HDFS-347.-Local-reads.patch, HDFS-2246.20s.1.patch, 
> HDFS-2246.20s.patch, localReadShortcut20-security.2patch
>
>


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