<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">But heaven help you if you export the gpfs on nfs or cifs. <div><br><div id="AppleMailSignature"> -- ddj<div>Dave Johnson</div></div><div><br>On Aug 23, 2018, at 11:23 AM, Marc A Kaplan <<a href="mailto:makaplan@us.ibm.com">makaplan@us.ibm.com</a>> wrote:<br><br></div><blockquote type="cite"><div><span style=" font-size:10pt;font-family:sans-serif">Millions of files
per directory, may well be a mistake... </span><br><span style=" font-size:10pt;font-family:sans-serif"><br>BUT there are some very smart use cases that might take advantage of GPFS
having good performance with large directories --</span><br><span style=" font-size:10pt;font-family:sans-serif">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.)<br></span><br></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>gpfsug-discuss mailing list</span><br><span>gpfsug-discuss at <a href="http://spectrumscale.org">spectrumscale.org</a></span><br><span><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a></span><br></div></blockquote></div></body></html>