[GitHub] [hudi] xiarixiaoyao edited a comment on pull request #3183: [HUDI-2090]when hudi metadata is enabled, use different users to quer…

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xiarixiaoyao edited a comment on pull request #3183:
URL: https://github.com/apache/hudi/pull/3183#issuecomment-871031204


   @garyli1019  thanks for you review。
   not two users query the same DiskBasedMap。all users  share the same directory /tmp/view_map for query. 
   think that, using user1 to query hudi_table with sparksql, then a diskBasedMap instance will be create and this diskBasedMap will create /tmp/view_map directory at same time.   notice the permission of view_maps  belongs to user1.
   then using user2 to query hudi_table with hive, a new diskBasedMap instance will create, and this diskBasedMap want to  create tempfile in /tmp/view_map directory for query,  however it has no permisson, since view_map is create by user1


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