feat(dc): Add reuseport_ebpf builder option#3113
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ben-r-smith
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Jun 9, 2026
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Release Summary:
Resolved issues:
n/a
Description of changes:
Add a
with_attach_reuseport_ebpf builderoption to the server that allows callers to attach a custom eBPF program to each listening socket viaSO_ATTACH_REUSEPORT_EBPF, enabling custom load-balancing of incoming connections across aSO_REUSEPORTgroup. When configured,SO_REUSEPORTis enabled on the socket even with a single worker, since the kernel requires it for the eBPF attachment. The BPF program fd is shared viaArc<OwnedFd>and the setsockopt call is issued after listen() on Linux only.By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.