Supported operations
Review the list of WebHDFS REST APIs and their state of support in Ozone.
File and directory operations
| Operation | Support | 
|---|---|
| Create and Write to a File | Supported | 
| Append to a File | Not implemented in Ozone | 
| Concat Files | Not implemented in Ozone | 
| Open and Read a File | Supported | 
| Make a Directory | Supported | 
| Create a Symbolic Link | Not implemented in Ozone | 
| Rename a File or Directory | Supported with limitations | 
| Delete a File or Directory | Supported | 
| Truncate a File | Not implemented in Ozone | 
| Status of a File or Directory | Supported | 
| List a Directory | Supported | 
| List a File | Supported | 
| Iteratively List a Directory | Supported | 
Other file system operations
| Operation | Support | 
|---|---|
| 
             Get Content Summary of a Directory  | 
          
             Supported  | 
        
| 
             Get Quota Usage of a Directory  | 
          
             Supported  | 
        
| 
             Set Quota  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Set Quota By Storage Type  | 
          
             Not implemented in Ozone  | 
        
| 
             Get File Checksum  | 
          
             Unsupported  | 
        
| 
             Get Home Directory  | 
          
             Unsupported  | 
        
| 
             Get Trash Root  | 
          
             Unsupported  | 
        
| 
             Set Permission  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Set Owner  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Set Replication Factor  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Set Access or Modification Time  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Modify ACL Entries  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Remove ACL Entries  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Remove Default ACL  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Remove ACL  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Set ACL  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Get ACL Status  | 
          
             Not implemented in Ozone FileSystem API  | 
        
| 
             Check access  | 
          
             Not implemented in Ozone FileSystem API  | 
        
