[gpfsug-discuss] Those users.... millions of files per directory - not necessarily a mistake

[david_johnson at brown.edu]

But heaven help you if you export the gpfs on nfs or cifs. 

  -- ddj
Dave Johnson

> On Aug 23, 2018, at 11:23 AM, Marc A Kaplan <makaplan at us.ibm.com> wrote:
> 
> Millions of files per directory, may well be a mistake... 
> 
> BUT there are some very smart use cases that might take advantage of GPFS having good performance with large directories --
> because GPFS uses extensible hashing -- it is better to store millions of files in a single GPFS directory than artificially scatter them among directories based on the mistaken notion that large directories are bad.  (Yeah, they are in most implementations, but not in GPFS.)
> 
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