In orangefs-2.8.3-EXP, when we create a file , we will call the function 
PINT_cached_config_get_meta_handle , and it just randomly select the server to 
store the meta data regardless of the size of its parent directory.So we can 
conclude that the inode of a file in a directory may store in different 
Metadata servers , even though  the directory contains a few files.
 
       So I want to know why should pvfs2 use this method to select a metadata 
server to store the inode?
 
I just  know that there is no need to use this method when the directory is 
very small, in this case , it may even reduce the system performance .
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