Re: [gpfsug-discuss] mmap performance against Spectrum Scale

2018-01-15 Thread Ray Coetzee
Hi Sven yes, it's primarily reads. Kind regards Ray Coetzee Mob: +44 759 704 7060 Skype: ray.coetzee Email: coetzee@gmail.com On Fri, Jan 12, 2018 at 8:57 PM, Sven Oehme <oeh...@gmail.com> wrote: > is this primary read or write ? > > > On Fri, Jan 12, 2018, 12:51 PM Ra

Re: [gpfsug-discuss] mmap performance against Spectrum Scale

2018-01-12 Thread Ray Coetzee
DisableDIO, and some others with little improvement. For those interested, as a performance comparison. The same job when run on an aging Isilon takes 1m30s, while GPFS will take ~38min on the all NVMe scratch filesystem and over 60min on spindle based filesystem. Kind regards Ray Coetzee Emai

Re: [gpfsug-discuss] gpfsug-discuss Digest, Vol 75, Issue 34

2018-04-22 Thread Ray Coetzee
specifically last week for both of us is interesting. Kind regards Ray Coetzee Mob: +44 759 704 7060 Skype: ray.coetzee Email: coetzee@gmail.com On Mon, Apr 23, 2018 at 12:02 AM, Jan-Frode Myklebust <janfr...@tanso.net> wrote: > > Yes, I've been struggelig with something simili

Re: [gpfsug-discuss] gpfsug-discuss Digest, Vol 75, Issue 34

2018-04-22 Thread Ray Coetzee
downrev ganesha to 2.3.2 from 2.5.3 on the affected nodes. While waiting for IBM development, has anyone seen something similar maybe? Kind regards Ray Coetzee On Sat, Apr 21, 2018 at 12:00 PM, <gpfsug-discuss-requ...@spectrumscale.org> wrote: > Send gpfsug-discuss mailing

Re: [gpfsug-discuss] gpfsug-discuss Digest, Vol 73, Issue 60

2018-02-27 Thread Ray Coetzee
GPFS that may make it into a production release so keep an eye out for an update. Kind regards Ray Coetzee On Tue, Feb 27, 2018 at 10:25 PM, <gpfsug-discuss-requ...@spectrumscale.org> wrote: > Send gpfsug-discuss mailing list submissions to > gpfsug-discuss@s

[gpfsug-discuss] Kernel > 4.10, python >= 3.8 issue

2021-05-26 Thread Ray Coetzee
se a file size which that is a multiple of the page size." sounds really blasé. ``` Kind regards Ray Coetzee ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Re: [gpfsug-discuss] Kernel > 4.10, python >= 3.8 issue

2021-05-26 Thread Ray Coetzee
Hi Felipe We looked at APAR IJ28891 & IJ29942, as both look identical but are closed as a "program error" with a workaround of "Do not use a file size which that is a multiple of the page size." Kind regards Ray Coetzee On Wed, May 26, 2021 at 6:45 PM Felipe Knop wro

Re: [gpfsug-discuss] Kernel > 4.10, python >= 3.8 issue

2021-05-26 Thread Ray Coetzee
Thank you for the info Felipe. I'll test with 5.0.5-7 in the morning. Kind regards Ray Coetzee On Wed, May 26, 2021 at 7:36 PM Felipe Knop wrote: > Ray, > > Apologies; I should have added more details. My records show that there is > a fix for IJ28891 and IJ29942, which w