diff --git a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/copyDataToImpalaCluster.sh b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/copyDataToImpalaCluster.sh
index 843877c90..c05d8342a 100644
--- a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/copyDataToImpalaCluster.sh
+++ b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/copyDataToImpalaCluster.sh
@@ -7,7 +7,7 @@ then
 fi
 
 #export HADOOP_USER_NAME="dimitris.pierrakos"
-export HADOOP_USER_NAME=$5
+export HADOOP_USER_NAME=$2
 
 function copydb() {
   db=$1
@@ -49,14 +49,8 @@ function copydb() {
   hdfs dfs -conf /etc/impala_cluster/hdfs-site.xml -rm -R /tmp/${db}.db
 }
 
-STATS_DB=$1
-MONITOR_DB=$2
-OBSERVATORY_DB=$3
-EXT_DB=$4
-HADOOP_USER_NAME=$5
+MONITOR_DB=$1
+HADOOP_USER_NAME=$2
 
-copydb $EXT_DB
-copydb $STATS_DB
 copydb $MONITOR_DB
-copydb $OBSERVATORY_DB
 
diff --git a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/finalizeImpalaCluster.sh b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/finalizeImpalaCluster.sh
index fedfa00af..46eaba6d0 100644
--- a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/finalizeImpalaCluster.sh
+++ b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/finalizeImpalaCluster.sh
@@ -16,13 +16,7 @@ function createShadowDB() {
   impala-shell -i impala-cluster-dn1.openaire.eu -d ${SOURCE} -q "show tables" --delimited | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${SOURCE}.\1;/" | impala-shell -i impala-cluster-dn1.openaire.eu -f -
 }
 
-STATS_DB=$1
-STATS_DB_SHADOW=$2
 MONITOR_DB=$3
 MONITOR_DB_SHADOW=$4
-OBSERVATORY_DB=$5
-OBSERVATORY_DB_SHADOW=$6
 
-createShadowDB $STATS_DB $STATS_DB_SHADOW
 createShadowDB $MONITOR_DB $MONITOR_DB_SHADOW
-createShadowDB $OBSERVATORY_DB $OBSERVATORY_DB_SHADOW
diff --git a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor-post.sh b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor-post.sh
index dd82310e0..5863625a1 100644
--- a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor-post.sh
+++ b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor-post.sh
@@ -7,15 +7,13 @@ then
 fi
 
 export SOURCE=$1
-export TARGET=$2
-export SHADOW=$3
+export SHADOW=$2
+export HIVE_OPTS="-hiveconf mapred.job.queue.name=analytics -hiveconf hive.spark.client.connect.timeout=120000ms -hiveconf hive.spark.client.server.connect.timeout=300000ms -hiveconf spark.executor.memory=19166291558 -hiveconf spark.yarn.executor.memoryOverhead=3225 -hiveconf spark.driver.memory=11596411699 -hiveconf spark.yarn.driver.memoryOverhead=1228"
+export HADOOP_USER_NAME="oozie"
 
-impala-shell -q "invalidate metadata;"
-#impala-shell -d ${TARGET} -q "show tables" --delimited | sed "s/\(.*\)/compute stats ${TARGET}.\1;/" | impala-shell -f -
-#echo "Impala shell finished"
-#
-#echo "Updating shadow monitor database"
-#impala-shell -q "create database if not exists ${SHADOW}"
-#impala-shell -d ${SHADOW} -q "show tables" --delimited | sed "s/^/drop view if exists ${SHADOW}./" | sed "s/$/;/" | impala-shell -f -
-#impala-shell -d ${TARGET} -q "show tables" --delimited | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${TARGET}.\1;/" | impala-shell -f -
-#echo "Shadow db ready!"
\ No newline at end of file
+echo "Updating shadow database"
+hive -e "drop database if exists ${SHADOW} cascade"
+hive -e "create database if not exists ${SHADOW}"
+hive $HIVE_OPTS --database ${SOURCE} -e "show tables" | grep -v WARN | sed "s/\(.*\)/create view ${SHADOW}.\1 as select * from ${SOURCE}.\1;/" > foo
+hive -f foo
+echo "Updated shadow database"
\ No newline at end of file
diff --git a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor.sh b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor.sh
index f39bf4893..5e0f68586 100644
--- a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor.sh
+++ b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/monitor.sh
@@ -8,8 +8,7 @@ fi
 
 export SOURCE=$1
 export TARGET=$2
-export SHADOW=$3
-export SCRIPT_PATH=$4
+export SCRIPT_PATH=$3
 
 export HIVE_OPTS="-hiveconf mapred.job.queue.name=analytics -hiveconf hive.spark.client.connect.timeout=120000ms -hiveconf hive.spark.client.server.connect.timeout=300000ms -hiveconf spark.executor.memory=19166291558 -hiveconf spark.yarn.executor.memoryOverhead=3225 -hiveconf spark.driver.memory=11596411699 -hiveconf spark.yarn.driver.memoryOverhead=1228"
 export HADOOP_USER_NAME="oozie"
diff --git a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/workflow.xml b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/workflow.xml
index ab51931b6..f24dcc700 100644
--- a/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-monitor-update/src/main/resources/eu/dnetlib/dhp/oa/graph/monitor/oozie_app/workflow.xml
@@ -66,7 +66,6 @@
             <exec>monitor.sh</exec>
             <argument>${stats_db_name}</argument>
             <argument>${monitor_db_name}</argument>
-            <argument>${monitor_db_shadow_name}</argument>
             <argument>${wf:appPath()}/scripts/createMonitorDB.sql</argument>
             <file>monitor.sh</file>
         </shell>
@@ -85,9 +84,48 @@
             <argument>${monitor_db_shadow_name}</argument>
             <file>monitor-post.sh</file>
         </shell>
-        <ok to="End"/>
+        <ok to="Step3-copyDataToImpalaCluster"/>
         <error to="Kill"/>
     </action>
 
+    <action name="Step3-copyDataToImpalaCluster">
+        <shell xmlns="uri:oozie:shell-action:0.1">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <exec>copyDataToImpalaCluster.sh</exec>
+            <!--            <env-var>HADOOP_USER_NAME=${wf:user()}</env-var>-->
+            <!--            <argument>${external_stats_db_name}</argument>-->
+            <argument>${monitor_db_name}</argument>
+            <argument>${hadoop_user_name}</argument>
+            <file>copyDataToImpalaCluster.sh</file>
+        </shell>
+        <ok to="Step4-finalizeImpalaCluster"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="Step4-finalizeImpalaCluster">
+        <shell xmlns="uri:oozie:shell-action:0.1">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <exec>finalizeImpalaCluster.sh</exec>
+            <argument>${monitor_db_name}</argument>
+            <argument>${monitor_db_shadow_name}</argument>
+            <file>finalizeImpalaCluster.sh</file>
+        </shell>
+        <ok to="Step5-updateCache"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="Step5-updateCache">
+        <shell xmlns="uri:oozie:shell-action:0.1">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <exec>updateCache.sh</exec>
+            <argument>${stats_tool_api_url}</argument>
+            <file>updateCache.sh</file>
+        </shell>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
     <end name="End"/>
 </workflow-app>
\ No newline at end of file