Lohit Vijayarenu created HADOOP-9985:
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Summary: HDFS Compatible ViewFileSystem
Key: HADOOP-9985
URL: https://issues.apache.org/jira/browse/HADOOP-9985
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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