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[farmshare-discuss] Barley sharing algorithm?

Tomas Babak tbabak at stanford.edu
Fri Aug 3 09:36:24 PDT 2012


I agree, it would be great to implement fairshare that prioritizes jobs
starting based on the USER CPU usage rather than just when the job was
submitted - especially given the heavy usage of barley. This does not seem
to be happening yet but I think was a planned implementation?

Tomas




 

-----Original Message-----
From: farmshare-discuss-bounces at lists.stanford.edu
[mailto:farmshare-discuss-bounces at lists.stanford.edu] On Behalf Of Michael
Maxwell Murray
Sent: Friday, August 03, 2012 9:23 AM
To: Open discussion for users of FarmShare
Subject: [farmshare-discuss] Barley sharing algorithm?

Hello, 

Can someone explain the algorithm the Barley's used to allocate
slots to users? Currently, there are 444 jobs running. 413
jobs belong to the user ocarja, including the most recently 
launched jobs. Several other users have jobs that have been
queued for more than a day (e.g. blhuynh, rpinho, tflanzer)

Given that ocarja's jobs are consuming a large fraction for
the CPUs and that there are other users waiting for a significant
time, when a slot becomes available, why isn't a different user's 
job started?

Thank you,
Mike Murray
Ph.D. Candidate
Civil and Environmental Engineering
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