From a12aa08154faaae7e096d8a6f500d1b352ef94b8 Mon Sep 17 00:00:00 2001
From: Brandon Williams <brandonwilliams@apache.org>
Date: Wed, 11 Jul 2012 09:27:26 -0500
Subject: [PATCH] If detected cores is zero, try at least one. Patch by Andy
 Cobley, reviewed by brandonwilliams for CASSANDRA-4401

---
 conf/cassandra-env.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index a3ca022a7b..cef0efbdf1 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -41,6 +41,12 @@ calculate_heap_sizes()
         ;;
     esac
 
+    # some systems like the raspberry pi don't report cores, use at least 1
+    if [ "$system_cpu_cores" -lt "1" ]
+    then
+        system_cpu_cores="1"
+    fi
+
     # set max heap size based on the following
     # max(min(1/2 ram, 1024MB), min(1/4 ram, 8GB))
     # calculate 1/2 ram and cap to 1024MB