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Merge pull request #71114 from Lion-Wei/ipvs-reuse 

fix IPVS low throughput issue
pull/58/head
k8s-ci-robot 2018-11-16 12:04:00 -08:00 committed by GitHub
parent e26b730143 f39060c604
commit 4e9c2a7a9b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 0 deletions
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8
pkg/proxy/ipvs/proxier.go
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@ -161,6 +161,7 @@ var ipsetWithIptablesChain = []struct {
const sysctlRouteLocalnet = "net/ipv4/conf/all/route_localnet" const sysctlRouteLocalnet = "net/ipv4/conf/all/route_localnet"
const sysctlBridgeCallIPTables = "net/bridge/bridge-nf-call-iptables" const sysctlBridgeCallIPTables = "net/bridge/bridge-nf-call-iptables"
const sysctlVSConnTrack = "net/ipv4/vs/conntrack" const sysctlVSConnTrack = "net/ipv4/vs/conntrack"
const sysctlConnReuse = "net/ipv4/vs/conn_reuse_mode"
const sysctlForward = "net/ipv4/ip_forward" const sysctlForward = "net/ipv4/ip_forward"
const sysctlArpIgnore = "net/ipv4/conf/all/arp_ignore" const sysctlArpIgnore = "net/ipv4/conf/all/arp_ignore"
const sysctlArpAnnounce = "net/ipv4/conf/all/arp_announce" const sysctlArpAnnounce = "net/ipv4/conf/all/arp_announce"
@ -313,6 +314,13 @@ func NewProxier(ipt utiliptables.Interface,
} }
} }
// Set the connection reuse mode
if val, _ := sysctl.GetSysctl(sysctlConnReuse); val != 0 {
if err := sysctl.SetSysctl(sysctlConnReuse, 0); err != nil {
return nil, fmt.Errorf("can't set sysctl %s: %v", sysctlConnReuse, err)
}
}
// Set the ip_forward sysctl we need for // Set the ip_forward sysctl we need for
if val, _ := sysctl.GetSysctl(sysctlForward); val != 1 { if val, _ := sysctl.GetSysctl(sysctlForward); val != 1 {
if err := sysctl.SetSysctl(sysctlForward, 1); err != nil { if err := sysctl.SetSysctl(sysctlForward, 1); err != nil {