Enabling users to work sustainably on shared institute computing resources

• URL: http://arxiv.org/abs/2604.22799v1
• Date: Mon, 13 Apr 2026 18:17:39 GMT
• Title: Enabling users to work sustainably on shared institute computing resources
• Abstract summary: VISPA project is a self-managed, mid-scale computing cluster that supports physics data analysis in research and teaching.<n>Monitoring system now records per-job energy consumption.<n>Real-time data on the renewable share of the German power grid enable green-window' scheduling.
• Score: 0.5277024349608834
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The VISPA project is a self-managed, mid-scale computing cluster that supports physics data analysis in research and teaching. Because the cluster is housed in a 1970s institute building with limited retrofit options, conventional efficiency upgrades would yield only minor energy savings. We therefore target sustainability primarily through user-centric measures. A monitoring system now records per-job energy consumption, while real-time data on the renewable share of the German power grid enable `green-window' scheduling. Users can query their individual energy consumption and carbon footprints, receive weekly reports, and tag jobs by project for aggregate accounting; memory records from previous runs help avoid oversubscription. All options are voluntary, fostering a cultural shift rather than imposing hard constraints. A simulation framework evaluates the potential impact of these measures. Together, the technological and behavioral interventions aim at medium- to long-term reductions in greenhouse-gas emissions by increasing resource awareness within the scientific community.

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