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https://issues.apache.org/jira/browse/HADOOP-5635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12705004#action_12705004
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Tom White commented on HADOOP-5635:
-----------------------------------
Andrew,
This looks like a good change to me. Have you thought how to write a unit test
for this?
Also, the documentation in DistributedCache should be updated to remove HDFS
assumptions.
> distributed cache doesn't work with other distributed file systems
> ------------------------------------------------------------------
>
> Key: HADOOP-5635
> URL: https://issues.apache.org/jira/browse/HADOOP-5635
> Project: Hadoop Core
> Issue Type: Bug
> Components: filecache
> Reporter: Andrew Hitchcock
> Priority: Minor
> Attachments: fix-distributed-cache.patch
>
>
> Currently the DistributedCache does a check to see if the file to be included
> is an HDFS URI. If the URI isn't in HDFS, it returns the default filesystem.
> This prevents using other distributed file systems -- such as s3, s3n, or kfs
> -- with distributed cache. When a user tries to use one of those
> filesystems, it reports an error that it can't find the path in HDFS.
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