Up default Podman rlimits to avoid max open files

Every port we open consumes an open FD. This can easily consume all available FDs for the podman process. Set rlimits to resolve this. Signed-off-by: Matthew Heon <[email protected]> Closes: containers#1437 Approved by: rhatdan
debarshiray · Sep 13, 2018 · 9126b45 · 9126b45
1 parent 70b160a
commit 9126b45
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/cmd/podman/main.go b/cmd/podman/main.go
@@ -138,6 +138,17 @@ func main() {
 			logrus.SetLevel(level)
 		}
 
+		// Only if not rootless, set rlimits for open files.
+		// We open numerous FDs for ports opened
+		if os.Geteuid() == 0 {
+			rlimits := new(syscall.Rlimit)
+			rlimits.Cur = 1048576
+			rlimits.Max = 1048576
+			if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
+				return errors.Wrapf(err, "error setting new rlimits")
+			}
+		}
+
 		if logLevel == "debug" {
 			debug = true