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Clarify log messages in controller pkg

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This commit is contained in:
Antoine Cotten 2018-06-13 20:15:45 +02:00
parent 55679aa268
commit 47bea35492
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6 changed files with 254 additions and 273 deletions
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13
internal/ingress/controller/util.go
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@ -41,27 +41,26 @@ func newUpstream(name string) *ingress.Backend {
}
}
// sysctlSomaxconn returns the value of net.core.somaxconn, i.e.
// maximum number of connections that can be queued for acceptance
// sysctlSomaxconn returns the maximum number of connections that can be queued
// for acceptance (value of net.core.somaxconn)
// http://nginx.org/en/docs/http/ngx_http_core_module.html#listen
func sysctlSomaxconn() int {
maxConns, err := sysctl.New().GetSysctl("net/core/somaxconn")
if err != nil || maxConns < 512 {
glog.V(3).Infof("system net.core.somaxconn=%v (using system default)", maxConns)
glog.V(3).Infof("net.core.somaxconn=%v (using system default)", maxConns)
return 511
}
return maxConns
}
// sysctlFSFileMax returns the value of fs.file-max, i.e.
// maximum number of open file descriptors
// sysctlFSFileMax returns the maximum number of open file descriptors (value
// of fs.file-max) or 0 in case of error.
func sysctlFSFileMax() int {
var rLimit syscall.Rlimit
err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
glog.Errorf("unexpected error reading system maximum number of open file descriptors (RLIMIT_NOFILE): %v", err)
// returning 0 means don't render the value
glog.Errorf("Error reading system maximum number of open file descriptors (RLIMIT_NOFILE): %v", err)
return 0
}
glog.V(2).Infof("rlimit.max=%v", rLimit.Max)