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fix(host): check min_free_kbytes size is enough (#22592)

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This commit is contained in:
wanyaoqi
2025-05-24 01:11:09 +08:00
committed by GitHub
parent 4e07811e2f
commit 62b7eea828
1 changed files with 8 additions and 2 deletions
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pkg/hostman/hostinfo/hostinfo.go
+8 -2
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@@ -773,11 +773,10 @@ func (h *SHostInfo) tuneSystem() {
if minMemMb < 100 {
minMemMb = 100
}
minMemKB := fmt.Sprintf("%d", 2*minMemMb*1024)
minMemKB := 2 * minMemMb * 1024
kv := map[string]string{
"/proc/sys/vm/swappiness": "0",
"/proc/sys/vm/vfs_cache_pressure": "350",
"/proc/sys/vm/min_free_kbytes": minMemKB,
"/proc/sys/net/ipv4/tcp_mtu_probing": "2",
"/proc/sys/net/ipv4/neigh/default/gc_thresh1": "1024",
"/proc/sys/net/ipv4/neigh/default/gc_thresh2": "4096",
@@ -787,6 +786,13 @@ func (h *SHostInfo) tuneSystem() {
"/proc/sys/net/netfilter/nf_conntrack_tcp_be_liberal": "1",
}
ret, err := fileutils2.FileGetIntContent("/proc/sys/vm/min_free_kbytes")
if err != nil {
log.Errorf("failed get /proc/sys/vm/min_free_kbytes: %s", err)
} else if ret < minMemKB {
kv["/proc/sys/vm/min_free_kbytes"] = fmt.Sprintf("%d", minMemKB)
}
for k, v := range kv {
sysutils.SetSysConfig(k, v)
}