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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2022 Meta Platforms, Inc. and affiliates.
NS='stress_reuseport_listen_ns'
NR_FILES=24100
SAVED_NR_FILES=$(ulimit -n)
setup() {
ip netns add $NS
ip netns exec $NS sysctl -q -w net.ipv6.ip_nonlocal_bind=1
ulimit -n $NR_FILES
}
cleanup() {
ip netns del $NS
ulimit -n $SAVED_NR_FILES
}
trap cleanup EXIT
setup
# 300 different vips listen on port 443
# Each vip:443 sockaddr has 80 LISTEN sock by using SO_REUSEPORT
# Total 24000 listening socks
ip netns exec $NS ./stress_reuseport_listen 300 80
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