https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251052
Bug ID: 251052
Summary: SCTP traffic becomes extremely slow under load
Product: Base System
Version: 11.4-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Given a service using SCTP, when it receives a spike in traffic, it becomes
extremely slow to respond. A given block of traffic that takes seconds if
spaced out in time, instead takes upwards of 15-20 minutes if received in a
burst. I suspect some sub-optimal behavior when receive buffers are full, but
that is just a wild guess. This behavior is reproducible on both 11.4-RELEASE
and 12.2-RELEASE. I will attach a test program.
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