diff --git a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/orcid/OrcidDOI.java b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/orcid/OrcidDOI.java
index 11bce26c8..cf372c12a 100644
--- a/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/orcid/OrcidDOI.java
+++ b/dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/orcid/OrcidDOI.java
@@ -1,24 +1,25 @@
+
 package eu.dnetlib.dhp.schema.orcid;
 
 import java.util.List;
 
 public class OrcidDOI {
-    private String doi;
-    private List<AuthorData> authors;
+	private String doi;
+	private List<AuthorData> authors;
 
-    public String getDoi() {
-        return doi;
-    }
+	public String getDoi() {
+		return doi;
+	}
 
-    public void setDoi(String doi) {
-        this.doi = doi;
-    }
+	public void setDoi(String doi) {
+		this.doi = doi;
+	}
 
-    public List<AuthorData> getAuthors() {
-        return authors;
-    }
+	public List<AuthorData> getAuthors() {
+		return authors;
+	}
 
-    public void setAuthors(List<AuthorData> authors) {
-        this.authors = authors;
-    }
+	public void setAuthors(List<AuthorData> authors) {
+		this.authors = authors;
+	}
 }
diff --git a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkGenerateDoiAuthorList.java b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkGenerateDoiAuthorList.java
index 4201ffb07..d831f8509 100644
--- a/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkGenerateDoiAuthorList.java
+++ b/dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkGenerateDoiAuthorList.java
@@ -3,37 +3,32 @@ package eu.dnetlib.doiboost.orcid;
 
 import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.util.*;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.compress.GzipCodec;
 import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.JavaPairRDD;
 import org.apache.spark.api.java.JavaRDD;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.Function;
 import org.apache.spark.api.java.function.MapFunction;
-import org.apache.spark.rdd.RDD;
 import org.apache.spark.sql.Dataset;
 import org.apache.spark.sql.Encoders;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.esotericsoftware.minlog.Log;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonParser;
-import com.ximpleware.ParseException;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.parser.utility.VtdException;
 import eu.dnetlib.dhp.schema.orcid.AuthorData;
+import eu.dnetlib.dhp.schema.orcid.OrcidDOI;
 import eu.dnetlib.doiboost.orcid.model.WorkData;
 import eu.dnetlib.doiboost.orcid.xml.XMLRecordParser;
 import eu.dnetlib.doiboost.orcidnodoi.json.JsonWriter;
@@ -154,11 +149,13 @@ public class SparkGenerateDoiAuthorList {
 						authorList.removeIf(a -> !oidsAlreadySeen.add(a.getOid()));
 						return new Tuple2<>(s._1(), authorList);
 					})
-					.mapToPair(
-						s -> {
-							return new Tuple2<>(s._1(), JsonWriter.create(s._2()));
-						})
-					.saveAsTextFile(workingPath + outputDoiAuthorListPath);
+					.map(s -> {
+						OrcidDOI orcidDOI = new OrcidDOI();
+						orcidDOI.setDoi(s._1());
+						orcidDOI.setAuthors(s._2());
+						return JsonWriter.create(orcidDOI);
+					})
+					.saveAsTextFile(workingPath + outputDoiAuthorListPath, GzipCodec.class);
 			});
 
 	}
diff --git a/dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_doi_author_list/oozie_app/workflow.xml b/dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_doi_author_list/oozie_app/workflow.xml
index a466db7f6..133a6f4bd 100644
--- a/dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_doi_author_list/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_doi_author_list/oozie_app/workflow.xml
@@ -14,7 +14,7 @@
     </property>
     <property>
         <name>spark2MaxExecutors</name>
-        <value>40</value>
+        <value>20</value>
     </property>
     <property>
         <name>oozieActionShareLibForSpark2</name>