From b540c5d20839f419323de6ff4fb81908a10b592d Mon Sep 17 00:00:00 2001
From: Aleksey Yeschenko <aleksey@apache.org>
Date: Thu, 21 May 2015 03:37:38 +0300
Subject: [PATCH] Fix setting the PerfDisableSharedMem JVM option

---
 conf/cassandra-env.ps1 | 2 +-
 conf/cassandra-env.sh  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/conf/cassandra-env.ps1 b/conf/cassandra-env.ps1
index dbf83a3c30..8dddc2db84 100644
--- a/conf/cassandra-env.ps1
+++ b/conf/cassandra-env.ps1
@@ -389,7 +389,7 @@ Function SetCassandraEnvironment
     $env:JVM_OPTS="$env:JVM_OPTS -XX:MaxTenuringThreshold=1"
     $env:JVM_OPTS="$env:JVM_OPTS -XX:CMSInitiatingOccupancyFraction=75"
     $env:JVM_OPTS="$env:JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
-    $env:JVM_OPTS="$env:JVM_OPTS -XX:-PerfDisableSharedMem"
+    $env:JVM_OPTS="$env:JVM_OPTS -XX:+PerfDisableSharedMem"
     $env:JVM_OPTS="$env:JVM_OPTS -XX:+UseTLAB"
     if (($env:JVM_VERSION.CompareTo("1.7") -eq 1) -and ($env:JVM_ARCH -eq "64-Bit"))
     {
diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index 7b9ea28f1a..2dba3f7f8a 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -266,7 +266,7 @@ JVM_OPTS="$JVM_OPTS -XX:MaxTenuringThreshold=1"
 JVM_OPTS="$JVM_OPTS -XX:CMSInitiatingOccupancyFraction=75"
 JVM_OPTS="$JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
 JVM_OPTS="$JVM_OPTS -XX:+UseTLAB"
-JVM_OPTS="$JVM_OPTS -XX:-PerfDisableSharedMem"
+JVM_OPTS="$JVM_OPTS -XX:+PerfDisableSharedMem"
 JVM_OPTS="$JVM_OPTS -XX:CompileCommandFile=$CASSANDRA_CONF/hotspot_compiler"
 JVM_OPTS="$JVM_OPTS -XX:CMSWaitDuration=10000"