KWON BYUNGCHANG created HDFS-17926:
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             Summary: Automatically create home directory for users
                 Key: HDFS-17926
                 URL: https://issues.apache.org/jira/browse/HDFS-17926
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
            Reporter: KWON BYUNGCHANG


Currently, HDFS does not automatically create a user's home directory (e.g., 
`/user/<user>`). This requires administrators to manually create home 
directories, which adds operational overhead and can cause failures for 
user-facing tools (e.g., MapReduce job submission, Hive, Spark) that assume the 
home directory exists.

This JIRA tracks the development of automatic home directory creation so that 
when a user's home directory does not yet exist, HDFS creates it automatically 
with appropriate ownership (`<username>:<supergroup>`) and permissions 
(`drwx------`).

**Motivation:**
- Reduces administrative burden for large multi-tenant clusters
- Prevents job failures caused by missing home directories
- Aligns with the behavior expected by higher-level ecosystem tools

 



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