diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/finalizedb.sh b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/finalizedb.sh
index 60771dfa7..9de472955 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/finalizedb.sh
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/finalizedb.sh
@@ -11,10 +11,4 @@ export SHADOW=$2
 
 echo "Updating shadow database"
 hive --database ${SOURCE} -e "show tables" | grep -v WARN | sed "s/^\(.*\)/analyze table ${SOURCE}.\1 compute statistics;/" > foo
-hive -f foo
-hive -e "create database if not exists ${SHADOW}"
-hive --database ${SHADOW} -e "show tables" | grep -v WARN | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" > foo
-hive -f foo
-hive --database ${SOURCE} -e "show tables" | grep -v WARN | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${SOURCE}.\1;/" > foo
-hive -f foo
-echo "Shadow db ready!"
\ No newline at end of file
+hive -f foo
\ No newline at end of file
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/monitor.sh b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/monitor.sh
index 37809652d..a4e7eec57 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/monitor.sh
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/monitor.sh
@@ -17,12 +17,4 @@ hdfs dfs -copyToLocal $4
 echo "Creating monitor database"
 cat step20-createMonitorDB.sql | sed s/SOURCE/$1/g | sed s/TARGET/$2/g1 > foo
 hive -f foo
-echo "Impala shell finished"
-
-echo "Updating shadow monitor database"
-hive -e "create database if not exists ${SHADOW}"
-hive --database ${SHADOW} -e "show tables" | grep -v WARN | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" > foo
-hive -f foo
-hive --database ${TARGET} -e "show tables" | grep -v WARN | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${TARGET}.\1;/" > foo
-hive -f foo
-echo "Shadow db ready!"
\ No newline at end of file
+echo "Impala shell finished"
\ No newline at end of file
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/observatory-post.sh b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/observatory-post.sh
index d074e6a55..12315c9e8 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/observatory-post.sh
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/observatory-post.sh
@@ -12,12 +12,4 @@ export SHADOW=$3
 
 hive --database ${TARGET} -e "show tables" | grep -v WARN | sed "s/\(.*\)/analyze table ${TARGET}.\1 compute statistics;/" > foo
 hive -f foo
-echo "Impala shell finished"
-
-echo "Updating shadow observatory database"
-hive -e "create database if not exists ${SHADOW}"
-hive --database ${SHADOW} -e "show tables" | grep -v WARN | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" > foo
-hive -f foo
-hive -d ${TARGET} -e "show tables" | grep -v WARN | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${TARGET}.\1;/" > foo
-hive -f foo
-echo "Shadow db ready!"
\ No newline at end of file
+echo "Impala shell finished"
\ No newline at end of file
diff --git a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/workflow.xml b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/workflow.xml
index 08d33f4e8..7ac3cefbb 100644
--- a/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-stats-update/src/main/resources/eu/dnetlib/dhp/oa/graph/stats/oozie_app/workflow.xml
@@ -365,11 +365,43 @@
             <argument>${observatory_db_shadow_name}</argument>
             <file>observatory-post.sh</file>
         </shell>
-        <ok to="Step22"/>
+        <ok to="step22-copyDataToImpalaCluster"/>
         <error to="Kill"/>
     </action>
 
-    <action name="Step22">
+    <action name="step22-copyDataToImpalaCluster">
+        <shell xmlns="uri:oozie:shell-action:0.1">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <exec>copyDataToImpalaCluster.sh</exec>
+            <argument>${external_stats_db_name}</argument>
+            <argument>${stats_db_name}</argument>
+            <argument>${monitor_db_name}</argument>
+            <argument>${observatory_db_name}</argument>
+            <file>copyDataToImpalaCluster.sh</file>
+        </shell>
+        <ok to="step23-finalizeImpalaCluster"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="step23-finalizeImpalaCluster">
+        <shell xmlns="uri:oozie:shell-action:0.1">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <exec>finalizeImpalaCluster.sh</exec>
+            <argument>${stats_db_name}</argument>
+            <argument>${stats_db_shadow_name}</argument>
+            <argument>${monitor_db_name}</argument>
+            <argument>${monitor_db_shadow_name}</argument>
+            <argument>${observatory_db_name}</argument>
+            <argument>${observatory_db_shadow_name}</argument>
+            <file>finalizeImpalaCluster.sh</file>
+        </shell>
+        <ok to="Step24-updateCache"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="Step24-updateCache">
         <shell xmlns="uri:oozie:shell-action:0.1">
             <job-tracker>${jobTracker}</job-tracker>
             <name-node>${nameNode}</name-node>