5,484 questions
Advice
2
votes
2
replies
138
views
Is DDD the "Final Form" of OOP, or a necessary abstraction to save us from it?
we’ve used Object-Oriented Programming (OOP) to model the world through encapsulation, inheritance, and polymorphism. However, in large-scale enterprise systems, we often see OOP devolve into "...
- 21
1
vote
1
answer
57
views
Slurm, release / deallocate some nodes from a running job as sub-jobs / tasks within the job finish
I have a number of tasks to run. I can submit each task independently, but the queueing system on the cluster I am using prioritises large jobs so they get stuck in waiting for months.
Instead I have ...
- 11
2
votes
1
answer
57
views
SLURM_CONF environment variable is not affecting jobs started with sbatch
I am attempting to temporarily modify the weights of nodes in an HPC cluster to have more control over which nodes are used for a specific job. The slurm.conf docs say:
The file location [of slurm....
- 33
1
vote
1
answer
120
views
How to always launch a SLURM job from the same node, while running the job on multiple nodes
Due to a licensing agreement, I have a piece of software installed in our HPC that must always be launched from the same node in the system, referred to as the "head node" from now on. When ...
- 33
Advice
2
votes
7
replies
153
views
determine cpu after c++ compilation with gcc?
Does anyone know if there is, in c++, any way to determine at runtime the cpu characteristics of the machine that compiled the code? For example, in gcc (which I'm using) the preprocessor variable ...
- 105
0
votes
0
answers
28
views
Integrate socket.io namespaces with Node Cluster
I am trying to integrate socket.io with Node's HTTP alongside Node's Cluster Module. Consider the reproducible example:
index.js:
let cluster = require('cluster')
let fs = require('fs')
let http = ...
- 351
0
votes
0
answers
101
views
Snakemake slurm cluster status in version 9.6.3
I am currently using Snakemake version 9.6.3 on a cluster managed by an SLURM scheduler. In previous workflows, I relied on version 6, which supported the --cluster, --cluster-status, and --parsable ...
- 11
0
votes
0
answers
61
views
Can i set slurm job array size using another job file?
I am currently running a slurm job file on an array that I manually set the size of, e.g.
sbatch --array=1-6 myjob.array
the size of the array is determined when setting up the code to run. E.g. if I ...
- 1,522
0
votes
0
answers
283
views
CRC Status Shows 'OpenShift: Unreachable' Even After Multiple Restarts and Setup
I am trying to run Red Hat CodeReady Containers (CRC) with OpenShift 4.19.8 on an Ubuntu VM (running on VMware).
No matter what I do, crc status always shows:
crc status output (https://i.sstatic.net/...
0
votes
1
answer
73
views
ModuleNotFoundError in GCP after trying to sumbit a job
new to GCP, I am trying to submit a job inside Dataproc with a .py file & attached also pythonproject.zip file (it is a project) but I am getting the below error ModuleNotFoundError: No module ...
0
votes
0
answers
121
views
Check if a server is part of an Azure cluster using C# and PowerShell
I am testing some code to check if a named server is part of an Azure cluster. I currently have a simple console application where the user enters the name of the server to check and the code then ...
0
votes
1
answer
81
views
How to concurrently remove lines from a file in Python?
I have a cluster of compute nodes, each node with many CPUs. I want them to execute commands located in a file, one command per line. The drive where the command file is located is mounted on all ...
- 2,852
2
votes
1
answer
90
views
How to identify price regimes / trends in Pandas
I have created the following pandas dataframe, which is an example of 26 stock prices (Open, High, Low, Close):
import pandas as pd
import numpy as np
ds = {
'Date' : ['15/06/2025','16/06/2025','17/...
- 1,762
1
vote
0
answers
124
views
Eigen + MKL on a cluster doesn't call GEMM for large matrix multiplications
I have a c++ code that uses Eigen for linear algebra calculations. The code runs on a cluster where there is a module with Intel MKL. I am completely ignorant of how to do it but I wanted to try to ...
- 111
0
votes
0
answers
16
views
Proxmox migration and autoboot
I migrated my vm from one node to another over the cluster using the migrate function, without having a downtime. Theses vm where set to auto boot. Is this setting is kept trough the migration on a ...
- 325