From c5864a524e11842a75ac1d6c79ed137fadcb6c0e Mon Sep 17 00:00:00 2001
From: "jluciani@bluemountaincapital.com" <jluciani@workbox.local>
Date: Thu, 21 Mar 2013 12:31:20 -0400
Subject: [PATCH] Add UseTLAB JVM Opt

Patch by tjake; reviewed by Ryan McGuire for CASSANDRA-5361
---
 CHANGES.txt           | 1 +
 conf/cassandra-env.sh | 1 +
 2 files changed, 2 insertions(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index 89c8b10548..e2b1daade7 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -7,6 +7,7 @@
  * Fix possible assertion triggered in SliceFromReadCommand (CASSANDRA-5284)
  * cqlsh: Add inet type support on Windows (ipv4-only) (CASSANDRA-4801)
  * Fix race when initializing ColumnFamilyStore (CASSANDRA-5350)
+ * Add UseTLAB JVM flag (CASSANDRA-5361)
 
 
 1.1.10
diff --git a/conf/cassandra-env.sh b/conf/cassandra-env.sh
index e38371f204..dcc6401915 100644
--- a/conf/cassandra-env.sh
+++ b/conf/cassandra-env.sh
@@ -202,6 +202,7 @@ JVM_OPTS="$JVM_OPTS -XX:SurvivorRatio=8"
 JVM_OPTS="$JVM_OPTS -XX:MaxTenuringThreshold=1"
 JVM_OPTS="$JVM_OPTS -XX:CMSInitiatingOccupancyFraction=75"
 JVM_OPTS="$JVM_OPTS -XX:+UseCMSInitiatingOccupancyOnly"
+JVM_OPTS="$JVM_OPTS -XX:+UseTLAB"
 
 # GC logging options -- uncomment to enable
 # JVM_OPTS="$JVM_OPTS -XX:+PrintGCDetails"