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Posted to hdfs-dev@hadoop.apache.org by "Brandon Li (JIRA)" <ji...@apache.org> on 2014/01/02 23:55:50 UTC
[jira] [Created] (HDFS-5712) ViewFS should check the existence of
the mapped namespace directories in the mount table
Brandon Li created HDFS-5712:
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Summary: ViewFS should check the existence of the mapped namespace directories in the mount table
Key: HDFS-5712
URL: https://issues.apache.org/jira/browse/HDFS-5712
Project: Hadoop HDFS
Issue Type: Bug
Components: federation
Affects Versions: 3.0.0
Reporter: Brandon Li
ViewFS doesn't validate the mount table mapping. Even the mapped directory on NameNode doesn't exist, list directories or "dfs -ls" command can still show the mapped directory.
This confuses users and applications when they try to create files under the mapped directories. They will get file-not-exist error but viewfs shows the directory exists.
It would be less misleading if ViewFS can validate the mount table and report found errors.
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