<span style=" font-size:10pt;font-family:sans-serif">Even with nfs or
samba export you're probably okay as long as the application does not attempt
to list the directory.  Just probe it with stat/open/create/unlink.
 <br></span><br><br><br><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">From:
       </span><span style=" font-size:9pt;font-family:sans-serif">david_johnson@brown.edu</span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">To:
       </span><span style=" font-size:9pt;font-family:sans-serif">gpfsug
main discussion list <gpfsug-discuss@spectrumscale.org></span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Date:
       </span><span style=" font-size:9pt;font-family:sans-serif">08/23/2018
11:34 AM</span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Subject:
       </span><span style=" font-size:9pt;font-family:sans-serif">Re:
[gpfsug-discuss] Those users.... millions of files per      
 directory - not necessarily a mistake</span><br><span style=" font-size:9pt;color:#5f5f5f;font-family:sans-serif">Sent
by:        </span><span style=" font-size:9pt;font-family:sans-serif">gpfsug-discuss-bounces@spectrumscale.org</span><br><hr noshade><br><br><br><span style=" font-size:12pt">But heaven help you if you export the
gpfs on nfs or cifs. </span><br><br><span style=" font-size:12pt">  -- ddj</span><br><span style=" font-size:12pt">Dave Johnson</span><br><span style=" font-size:12pt"><br>On Aug 23, 2018, at 11:23 AM, Marc A Kaplan <</span><a href="mailto:makaplan@us.ibm.com"><span style=" font-size:12pt;color:blue"><u>makaplan@us.ibm.com</u></span></a><span style=" font-size:12pt">>
wrote:<br></span><br><span style=" font-size:10pt;font-family:sans-serif">Millions of files
per directory, may well be a mistake... <br><br>BUT there are some very smart use cases that might take advantage of GPFS
having good performance with large directories --<br>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.)</span><span style=" font-size:12pt"><br></span><br><span style=" font-size:12pt">_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at </span><a href="http://spectrumscale.org"><span style=" font-size:12pt;color:blue"><u>spectrumscale.org</u></span></a><span style=" font-size:12pt;color:blue"><u><br></u></span><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss"><span style=" font-size:12pt;color:blue"><u>http://gpfsug.org/mailman/listinfo/gpfsug-discuss</u></span></a><tt><span style=" font-size:10pt">_______________________________________________<br>gpfsug-discuss mailing list<br>gpfsug-discuss at spectrumscale.org<br></span></tt><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss"><tt><span style=" font-size:10pt">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</span></tt></a><tt><span style=" font-size:10pt"><br></span></tt><br><br><BR>