Performance
How many jobs can run at once?
Quick answer
It depends on your plan for GitHub-hosted runners, and on your configured concurrency for managed runners.
The detail that matters
runnerhut defaults to unlimited concurrency with an optional cap, because artificial queueing is rarely what a paying customer wants.
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Related
Why are GitHub Actions slow?Most commonly: shared vCPU, cold caches, network-attached disk, and queue time before the job even starts.How fast do runners start after a job is queued?runnerhut runners start in about three seconds from a warm pool.Do I need to change my workflow?No. Change the runs-on label and leave everything else as it is.How do I choose a runner size?Start one size above your current runner, then check CPU utilization and stop when the curve flattens.