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https://issues.apache.org/jira/browse/HDFS-15635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junfan Zhang updated HDFS-15635:
--------------------------------
    Description: 
According to HDFS-15289, the default mountable loader is 
{{[HCFSMountTableConfigLoader|https://github.com/apache/hadoop/blob/4734c77b4b64b7c6432da4cc32881aba85f94ea1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/HCFSMountTableConfigLoader.java#L35]}}.

In some scenarios, users want to implement the mount table loader by 
themselves, so it is necessary to dynamically configure the loader.

 

cc [~shv], [~abhishekd], [~hexiaoqiao]

  was:
According to HDFS-15289, the default mountable loader is 
{{[HCFSMountTableConfigLoader|https://github.com/apache/hadoop/blob/4734c77b4b64b7c6432da4cc32881aba85f94ea1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/HCFSMountTableConfigLoader.java#L35]}}.

In some scenarios, users want to implement the mount table loader by 
themselves, so it is necessary to dynamically configure the loader.

 

cc [~shv], [~abhishekd]


> ViewFileSystemOverloadScheme support specifying mount table loader imp 
> through conf
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-15635
>                 URL: https://issues.apache.org/jira/browse/HDFS-15635
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: viewfsOverloadScheme
>            Reporter: Junfan Zhang
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> According to HDFS-15289, the default mountable loader is 
> {{[HCFSMountTableConfigLoader|https://github.com/apache/hadoop/blob/4734c77b4b64b7c6432da4cc32881aba85f94ea1/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/viewfs/HCFSMountTableConfigLoader.java#L35]}}.
> In some scenarios, users want to implement the mount table loader by 
> themselves, so it is necessary to dynamically configure the loader.
>  
> cc [~shv], [~abhishekd], [~hexiaoqiao]



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