[jira] [Created] (HDFS-13401) Different behavior in mkdir when the target folder of mount table is uncreated

["Jianfei Jiang (JIRA)" <ji...@apache.org>]

Jianfei Jiang created HDFS-13401:
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             Summary: Different behavior in mkdir when the target folder of mount table is uncreated
                 Key: HDFS-13401
                 URL: https://issues.apache.org/jira/browse/HDFS-13401
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Jianfei Jiang
            Assignee: Jianfei Jiang


In federation cases, if we have a config like below:

<property>
 <name>fs.viewfs.mounttable.ClusterX.link./foo</name>
 <value>hdfs://nn2-clusterx.example.com:8020/footarget</value>
 </property>

When the folder hdfs://nn2-clusterx.example.com:8020/projects/footarget is not actually exist, the command [[hdfs dfs ls /]] can still see the folder, but the folder is not actually exist. then we try to use mkdir command to create the viewfs folder [[hdfs dfs mkdir /foo]], the return code is true, but the folder is not created. However, when we use [[hdfs dfs mkdir -p /foo/xxx]] which have a deeper location to create folder, the folder is successfully created. The results in these two cases may be ambigiuous.



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