l-mb
commented
1 year ago One issue with SPDK is that its polling mode will occupy one core at least (as far as I understand), which may be problematic for low-power edge setups.
See https://www.snia.org/educational-library/spdk-schedulers-%E2%80%93-saving-cpu-cores-polled-mode-storage-application-2021 and we may want/need to investigate tunables from this approach?
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Although SPDK has numerous settings, Longhorn currently relies on the default options. To enhance our comprehension of SPDK intricacies, optimize performance, and balance tradeoffs, we need to identify the consequences of these settings and offer options to configure them as required.
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