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https://issues.apache.org/jira/browse/HADOOP-9987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13773428#comment-13773428
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Lohit Vijayarenu commented on HADOOP-9987:
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Can somebody close this, this was opened by mistake as part of retry of
HADOOP-9985. I dont seem to have option to close this JIRA
> HDFS Compatible ViewFileSystem
> ------------------------------
>
> Key: HADOOP-9987
> URL: https://issues.apache.org/jira/browse/HADOOP-9987
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Lohit Vijayarenu
> Fix For: 2.0.6-alpha
>
>
> There are multiple scripts and projects like pig, hive, elephantbird refer to
> HDFS URI as hdfs://namenodehostport/ or hdfs:/// . In federated namespace
> this causes problem because supported scheme for federation is viewfs:// . We
> will have to force all users to change their scripts/programs to be able to
> access federated cluster.
> It would be great if thee was a way to map viewfs scheme to hdfs scheme
> without exposing it to users. Opening this JIRA to get inputs from people who
> have thought about this in their clusters.
> In our clusters we ended up created another class
> HDFSCompatibleViewFileSystem which hijacks both hdfs.fs.impl and
> viewfs.fs.impl and passes down filesystem calls to ViewFileSystem. Is there
> any suggested approach other than this?
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