From cacfa3d3ff8197323586445b64e49257a92d9936 Mon Sep 17 00:00:00 2001
From: Garret Smith <gsmith@synapsense.com>
Date: Tue, 4 Aug 2015 10:50:05 -0700
Subject: 'od' only needs to read 4 bytes of random data

'-N 4' option looks portable across all major flavors of *BSD, Linux, OSX
Adding this option prevents a strange case where 'od' can go to
100% CPU in restart scenarios
---
 priv/templates/extended_bin | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/priv/templates/extended_bin b/priv/templates/extended_bin
index f584e51..5cd8035 100755
--- a/priv/templates/extended_bin
+++ b/priv/templates/extended_bin
@@ -60,7 +60,7 @@ relx_rem_sh() {
 
 # Generate a random id
 relx_gen_id() {
-    od -X /dev/urandom | head -n1 | awk '{print $2}'
+    od -X -N 4 /dev/urandom | head -n1 | awk '{print $2}'
 }
 
 # Control a node
-- 
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