diff --git a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlIndexingJob.java b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/XmlIndexingJob.java
similarity index 95%
rename from dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlIndexingJob.java
rename to dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/XmlIndexingJob.java
index eae8cf1a14..84538c924a 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlIndexingJob.java
+++ b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/XmlIndexingJob.java
@@ -2,7 +2,6 @@ package eu.dnetlib.dhp.oa.provision;
 
 import com.lucidworks.spark.util.SolrSupport;
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.oa.provision.utils.ContextMapper;
 import eu.dnetlib.dhp.oa.provision.utils.StreamingInputDocumentFactory;
 import eu.dnetlib.dhp.utils.ISLookupClientFactory;
 import eu.dnetlib.dhp.utils.saxon.SaxonTransformerFactory;
@@ -11,14 +10,11 @@ import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
 import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.io.Text;
 import org.apache.solr.common.SolrInputDocument;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.rdd.RDD;
-import org.apache.spark.sql.SparkSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -35,9 +31,9 @@ import java.util.Optional;
 
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
 
-public class SparkXmlIndexingJob {
+public class XmlIndexingJob {
 
-    private static final Logger log = LoggerFactory.getLogger(SparkXmlIndexingJob.class);
+    private static final Logger log = LoggerFactory.getLogger(XmlIndexingJob.class);
 
     private static final Integer DEFAULT_BATCH_SIZE = 1000;
 
@@ -50,7 +46,7 @@ public class SparkXmlIndexingJob {
 
         final ArgumentApplicationParser parser = new ArgumentApplicationParser(
                 IOUtils.toString(
-                        SparkXmlIndexingJob.class.getResourceAsStream(
+                        XmlIndexingJob.class.getResourceAsStream(
                                 "/eu/dnetlib/dhp/oa/provision/input_params_update_index.json")));
         parser.parseArgument(args);
 
diff --git a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/input_params_update_index.json b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/input_params_update_index.json
index 146cc9943b..3396020e07 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/input_params_update_index.json
+++ b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/input_params_update_index.json
@@ -1,7 +1,26 @@
 [
-  {"paramName":"mt",  "paramLongName":"master",             "paramDescription": "should be local or yarn",                                  "paramRequired": true},
-  {"paramName":"is",  "paramLongName":"isLookupUrl",        "paramDescription": "URL of the isLookUp Service",                              "paramRequired": true},
-  {"paramName":"i",   "paramLongName":"inputPath",         "paramDescription": "the path of the sequence file to read the XML records",    "paramRequired": true},
-  {"paramName":"f",   "paramLongName":"format",             "paramDescription": "MDFormat name found in the IS profile",                    "paramRequired": true},
-  {"paramName":"b",   "paramLongName":"batchSize",          "paramDescription": "size of the batch of documents sent to solr",              "paramRequired": false}
+  {
+    "paramName": "is",
+    "paramLongName": "isLookupUrl",
+    "paramDescription": "URL of the isLookUp Service",
+    "paramRequired": true
+  },
+  {
+    "paramName": "i",
+    "paramLongName": "inputPath",
+    "paramDescription": "the path of the sequence file to read the XML records",
+    "paramRequired": true
+  },
+  {
+    "paramName": "f",
+    "paramLongName": "format",
+    "paramDescription": "MDFormat name found in the IS profile",
+    "paramRequired": true
+  },
+  {
+    "paramName": "b",
+    "paramLongName": "batchSize",
+    "paramDescription": "size of the batch of documents sent to solr",
+    "paramRequired": false
+  }
 ]
diff --git a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
index 5bc89396bc..e6587ef5e0 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
@@ -393,12 +393,12 @@
             <master>yarn</master>
             <mode>cluster</mode>
             <name>to_solr_index</name>
-            <class>eu.dnetlib.dhp.oa.provision.SparkXmlIndexingJob</class>
+            <class>eu.dnetlib.dhp.oa.provision.XmlIndexingJob</class>
             <jar>dhp-graph-provision-${projectVersion}.jar</jar>
             <spark-opts>
-                --executor-cores ${sparkExecutorCoresForIndexing}
-                --executor-memory ${sparkExecutorMemoryForIndexing}
+                --executor-memory=${sparkExecutorMemoryForIndexing}
                 --driver-memory=${sparkDriverMemoryForIndexing}
+                --conf spark.dynamicAllocation.enabled=true
                 --conf spark.dynamicAllocation.maxExecutors=${sparkExecutorCoresForIndexing}
                 --conf spark.extraListeners=${spark2ExtraListeners}
                 --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}