Hi Ed, DPDK indeed reserves a large amount of virtual address space at startup. This does not prevent DPDK from running on low-memory systems, since this reservation does not consume physical memory. So the large figure in VIRT is not an issue. Hugepages are mapped on demand. Each mapped hugepage consunes a file descriptor. If you use 2MB hugepages, the number of open files can exhaust the limit easily. If you don't want to increase it, please see: https://doc.dpdk.org/guides/prog_guide/env_abstraction_layer.html#segment-file-descriptors
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