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Merge pull request #2491 from ahjumma/master

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Improving load balancer performance
This commit is contained in:
Arko Dasgupta 2020-02-16 19:31:14 -08:00 • committed by GitHub
commit a6d52f1521
1 changed files with 6 additions and 0 deletions
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6
libnetwork/osl/namespace_linux.go
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@ -38,9 +38,15 @@ var (
gpmChan = make(chan chan struct{})
prefix = defaultPrefix
loadBalancerConfig = map[string]*kernel.OSValue{
// disables any special handling on port reuse of existing IPVS connection table entries
// more info: https://github.com/torvalds/linux/blob/master/Documentation/networking/ipvs-sysctl.txt#L25:1
"net.ipv4.vs.conn_reuse_mode": {Value: "0", CheckFn: nil},
// expires connection from the IPVS connection table when the backend is not available
// more info: https://github.com/torvalds/linux/blob/master/Documentation/networking/ipvs-sysctl.txt#L126:1
"net.ipv4.vs.expire_nodest_conn": {Value: "1", CheckFn: nil},
// expires persistent connections to destination servers with weights set to 0
// more info: https://github.com/torvalds/linux/blob/master/Documentation/networking/ipvs-sysctl.txt#L144:1
"net.ipv4.vs.expire_quiescent_template": {Value: "1", CheckFn: nil},
}
)