dotcloud/docker

package overlay

import (
    "strconv"

    "github.com/docker/docker/libnetwork/osl/kernel"
)

var ovConfig = map[string]*kernel.OSValue{
    "net.ipv4.neigh.default.gc_thresh1": {Value: "8192", CheckFn: checkHigher},
    "net.ipv4.neigh.default.gc_thresh2": {Value: "49152", CheckFn: checkHigher},
    "net.ipv4.neigh.default.gc_thresh3": {Value: "65536", CheckFn: checkHigher},
}

func checkHigher(val1, val2 string) bool {
    val1Int, _ := strconv.ParseInt(val1, 10, 32)
    val2Int, _ := strconv.ParseInt(val2, 10, 32)
    return val1Int < val2Int
}

func applyOStweaks() {
    kernel.ApplyOSTweaks(ovConfig)
}