Index: src/main/java/org/apache/hadoop/hbase/regionserver/MemStore.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/regionserver/MemStore.java (revision 1438850) +++ src/main/java/org/apache/hadoop/hbase/regionserver/MemStore.java (working copy) @@ -60,7 +60,7 @@ static final String USEMSLAB_KEY = "hbase.hregion.memstore.mslab.enabled"; - private static final boolean USEMSLAB_DEFAULT = false; + private static final boolean USEMSLAB_DEFAULT = true; private Configuration conf;