Hello, Sami:
I am not sure if you are aware, but there is the Slurm simulator [1]
[2]. It has support for the backfill algorithm, which might help you in
your research.
Best,
Manu.
[1] https://dl.acm.org/doi/epdf/10.1145/3491418.3535178
[2] https://github.com/ubccr-slurm-simulator/slurm_simulator
On 14/5/26 11:44, sami sami via slurm-users wrote:
Hi All,
I am currently working on a single Linux machine running *Ubuntu 25.10*
and am looking to conduct performance testing on the *Slurm backfill
algorithm*. My objective is to simulate a cluster environment consisting
of *1,024 nodes*.
While researching existing solutions, I found that many modern
Slurm-simulator implementations (such as various plugin-based designs)
rely heavily on *Docker and Docker Compose*. However, I would like to
avoid using containerization and instead run the simulation natively on
my host OS.
I understand that older versions of the Slurm source code included a
native |sim| directory that allowed for simulations without external
dependencies like Docker. Given this, I have the following technical
questions:
*
*Native Compatibility:* Is it still feasible to compile and run a
Slurm simulator natively on Ubuntu 25.10?
*
*Version Recommendations:* Would you recommend using a specific
legacy version of Slurm that still contains the original simulation
files, or is there a way to port that functionality to a more recent
release?
*
*Configuration:* Are there specific build flags or configuration
steps required to enable the simulated node environment (1,024
nodes) on a single machine without triggering the overhead of
containerized networking?
I would appreciate any guidance or documentation you could provide on
achieving a high-node-count simulation in a "bare-metal" Linux environment.
Best regards,
--
Manuel G. Marciani - マルシアニ·マヌエル
First Stage Reseacher at Computational Earth Sciences (CES) - Earth
Sciences Department
Barcelona Supercomputing Center - Centro Nacional de Supercomputación
Ph.D Student at Departament d'Arquitectura de Computadors (DAC) -
Facultat d'Informàtica de Barcelona (FIB)
Universitat Politècnica de Catalunya (UPC)
BSC building
Plaça Eusebi Güell, 1-3, 08034 Barcelona, Spain
Desk BSC-PL0-6-20/8
mail to: [email protected]
mail to: [email protected]
mail to: [email protected]
mail to: [email protected]
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