diff --git a/devel/hadoop2/files/hadoop-layout.sh.in b/devel/hadoop2/files/hadoop-layout.sh.in
index 1675841db5c6..6dba54d1b163 100644
--- a/devel/hadoop2/files/hadoop-layout.sh.in
+++ b/devel/hadoop2/files/hadoop-layout.sh.in
@@ -3,9 +3,12 @@ export HADOOP_PREFIX=%%PREFIX%%
 export HADOOP_CONF_DIR=%%ETCDIR%%
 export HADOOP_LOG_DIR=%%HADOOP_LOGDIR%%
 export HADOOP_PID_DIR=%%HADOOP_RUNDIR%%
+export HADOOP_IDENT_STRING=hdfs
 
 export YARN_LOG_DIR=%%HADOOP_LOGDIR%%
 export YARN_PID_DIR=%%HADOOP_RUNDIR%%
+export YARN_IDENT_STRING=yarn
 
 export HADOOP_MAPRED_LOG_DIR=%%HADOOP_LOGDIR%%
 export HADOOP_MAPRED_PID_DIR=%%HADOOP_RUNDIR%%
+export HADOOP_MAPRED_IDENT_STRING=mapred