[Clas12_software] Fwd: class12-2 jobs performing lots of small i/o

[Francois-Xavier Girod]

The I/O to those jobs is defined as per CC guidelines, there is no “small”
I/O the hippo files are about 5 GB merging 10 evio files together. I think
the CC need to have better diagnostics.

On Tue, Jul 3, 2018 at 7:56 AM Harout Avakian <avakian at jlab.org> wrote:

> FYI
>
> I understood that was fixed.  FX could you please check what is the
> problem.
> Harut
>
> -------- Forwarded Message --------
> Subject: class12-2 jobs performing lots of small i/o
> Date: Mon, 2 Jul 2018 08:58:04 -0400 (EDT)
> From: Kurt Strosahl <strosahl at jlab.org> <strosahl at jlab.org>
> To: Harut Avagyan <avakian at jlab.org> <avakian at jlab.org>
> CC: sciops <sciops at jlab.org> <sciops at jlab.org>
>
> Harut,
>
>     There are a large number of clas12 jobs running through the farm under user clas12-2, these jobs are performing lots of small i/o.
>
> An example of one of these jobs is:
>
> Job Index:	55141495
> User Name:	clas12-2
> Job Name:	R4013_13
> Project: 	clas12
> Queue:		prod64
> Hostname:	farm12021
> CPU Req: 	1 centos7 core requested
> MemoryReq:	9 GB
> Status:		ACTIVE
>
> You can see the small i/o by looking: https://scicomp.jlab.org/scicomp/index.html#/lustre/users
>
> w/r,
> Kurt J. Strosahl
> System Administrator: Lustre, HPC
> Scientific Computing Group, Thomas Jefferson National Accelerator Facility
>
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