[lustre-discuss] poor performance on reading small files

Mohr Jr, Richard Frank (Rick Mohr) rmohr at utk.edu
Wed Aug 3 12:24:07 PDT 2016


> On Aug 3, 2016, at 1:30 PM, Ben Evans <bevans at cray.com> wrote:
> 
> I thought read caching was disabled by default, as the kernel's default
> handling of pages was better.  

You might be right.  It has been a while since I have set up a Lustre file system from scratch, and I haven’t done so for newer versions of Lustre.  So it’s possible I am mistaken about the defaults.

--
Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences
http://www.nics.tennessee.edu



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