Index: conf/hbase-env.sh =================================================================== --- conf/hbase-env.sh (revision 1390738) +++ conf/hbase-env.sh (working copy) @@ -34,7 +34,7 @@ # Below are what we set by default. May only work with SUN JVM. # For more on why as well as other possible settings, # see http://wiki.apache.org/hadoop/PerformanceTuning -export HBASE_OPTS="-XX:+UseConcMarkSweepGC" +export HBASE_OPTS="$HBASE_OPTS -XX:+UseConcMarkSweepGC" # Uncomment below to enable java garbage collection logging in the .out file. # export HBASE_OPTS="$HBASE_OPTS -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps $HBASE_GC_OPTS"