How does ALPS integrate with TORQUE and what does a job life-cycle look like?


Issue: How does ALPS integrate with TORQUE and what does a job life-cycle look like?

Affected Versions: 4.x and greater.

Solution

Moab and TORQUE sit over ALPS as outlined below. 

Moab TORQUE alps integration

 

TORQUE has what is refered to as a "reporter mom" that queries ALPS. TORQUE also has login_moms that can create ALPS reservations for jobs that launch on them, and they can also run the aprun command.

 

The reporter mom queries resources as outlined in the following image.

Resource query

 

Now when a job is started, the run is issued through Moab to TORQUE and then the login_mom.

Cray jobstart

 

 

Tags: alps integration, alpss, cray, job lifecycle
Last update:
2017-01-12 21:55
Author:
Jason Booth
Revision:
1.3
Average rating:0 (0 Votes)

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