Avoid numactl if not available#15496
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…ithout accesibility to numactl
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Ping @davidrohr @ktf |
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But this will silently break the correct NUMA pinning of processes. Why do you want to run the FST script without numactl available? By default it should defikitely fall with a fatal error. If you want, you can add an environment variable to allow running without numactl for debug reasons, but I do not want to allow that by default. |
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Can you in general run numactl from inside a container? |
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I think so, you should be able to repin processes among the cpu cores the container may use. |
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ok, then we need to have the numactl rpm added to the base RPM. @vkucera can you take care of it? |
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But why do we run the fst in the container at all? |
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Using the slc9-gpu-builder image, numactl was not availble when pulling via apptainer (apptainer pull slc9-gpu-builder.sif docker://registry.cern.ch/alisw/slc9-gpu-builder:latest). This was needed to execute the FST since docker is not yet available on the pdp-dev00 machine, but also future-proofs in non-writeable images.