action to convert lambda file in seq file; spark action to download updated authors

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/OrcidDownloader.java

@@ -1,14 +1,15 @@
 
 package eu.dnetlib.doiboost.orcid;
 
-import java.io.BufferedReader;
+import java.io.*;
-import java.io.IOException;
-import java.io.InputStreamReader;
 import java.text.SimpleDateFormat;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FSDataInputStream;
@@ -16,6 +17,7 @@ import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.io.SequenceFile;
 import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.compress.GzipCodec;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -27,10 +29,10 @@ import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 public class OrcidDownloader extends OrcidDSManager {
 
 	static final int REQ_LIMIT = 24;
-//	static final int REQ_MAX_TEST = 100;
+	static final int REQ_MAX_TEST = -1;
-	static final int RECORD_PARSED_COUNTER_LOG_INTERVAL = 10000;
+	static final int RECORD_PARSED_COUNTER_LOG_INTERVAL = 500;
 	static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
-	static final String lastUpdate = "2019-09-30 00:00:00";
+	static final String lastUpdate = "2020-09-29 00:00:00";
 	private String lambdaFileName;
 	private String outputPath;
 	private String token;
@@ -41,7 +43,7 @@ public class OrcidDownloader extends OrcidDSManager {
 		orcidDownloader.parseLambdaFile();
 	}
 
-	private String downloadRecord(String orcidId) {
+	private String downloadRecord(String orcidId) throws IOException {
 		try (CloseableHttpClient client = HttpClients.createDefault()) {
 			HttpGet httpGet = new HttpGet("https://api.orcid.org/v3.0/" + orcidId + "/record");
 			httpGet.addHeader("Accept", "application/vnd.orcid+xml");
@@ -49,17 +51,23 @@ public class OrcidDownloader extends OrcidDSManager {
 			CloseableHttpResponse response = client.execute(httpGet);
 			if (response.getStatusLine().getStatusCode() != 200) {
 				Log
-					.warn(
+					.info(
 						"Downloading " + orcidId + " status code: " + response.getStatusLine().getStatusCode());
 				return new String("");
 			}
-			return IOUtils.toString(response.getEntity().getContent());
+//			return IOUtils.toString(response.getEntity().getContent());
-
+			return xmlStreamToString(response.getEntity().getContent());
-		} catch (Throwable e) {
-			Log.warn("Downloading " + orcidId, e.getMessage());
-
 		}
-		return new String("");
+	}
+
+	private String xmlStreamToString(InputStream xmlStream) throws IOException {
+		BufferedReader br = new BufferedReader(new InputStreamReader(xmlStream));
+		String line;
+		StringBuffer buffer = new StringBuffer();
+		while ((line = br.readLine()) != null) {
+			buffer.append(line);
+		}
+		return buffer.toString();
 	}
 
 	public void parseLambdaFile() throws Exception {
@@ -76,46 +84,46 @@ public class OrcidDownloader extends OrcidDSManager {
 			hdfsServerUri
 				.concat(workingPath)
 				.concat(outputPath)
-				.concat("orcid_records.seq"));
+				.concat("updated_xml_authors.seq"));
-
+		try (TarArchiveInputStream tais = new TarArchiveInputStream(
+			new GzipCompressorInputStream(lambdaFileStream))) {
+			TarArchiveEntry entry = null;
+			StringBuilder sb = new StringBuilder();
 			try (SequenceFile.Writer writer = SequenceFile
 				.createWriter(
 					conf,
 					SequenceFile.Writer.file(hdfsoutputPath),
 					SequenceFile.Writer.keyClass(Text.class),
-				SequenceFile.Writer.valueClass(Text.class))) {
+					SequenceFile.Writer.valueClass(Text.class),
-
+					SequenceFile.Writer.compression(SequenceFile.CompressionType.BLOCK, new GzipCodec()))) {
-			try (BufferedReader br = new BufferedReader(new InputStreamReader(lambdaFileStream))) {
-				String line;
-				int nReqTmp = 0;
 				startDownload = System.currentTimeMillis();
-				long startReqTmp = System.currentTimeMillis();
+				while ((entry = tais.getNextTarEntry()) != null) {
+					BufferedReader br = new BufferedReader(new InputStreamReader(tais)); // Read directly from tarInput
+					String line;
 					while ((line = br.readLine()) != null) {
-					parsedRecordsCounter++;
-					// skip headers line
-					if (parsedRecordsCounter == 1) {
-						continue;
-					}
 						String[] values = line.split(",");
 						List<String> recordInfo = Arrays.asList(values);
+						int nReqTmp = 0;
+						long startReqTmp = System.currentTimeMillis();
+						// skip headers line
+						if (parsedRecordsCounter == 0) {
+							parsedRecordsCounter++;
+							continue;
+						}
+						parsedRecordsCounter++;
 						String orcidId = recordInfo.get(0);
 						if (isModified(orcidId, recordInfo.get(3))) {
 							String record = downloadRecord(orcidId);
 							downloadedRecordsCounter++;
 							if (!record.isEmpty()) {
-							String compressRecord = ArgumentApplicationParser.compressArgument(record);
+//							String compressRecord = ArgumentApplicationParser.compressArgument(record);
 								final Text key = new Text(recordInfo.get(0));
-							final Text value = new Text(compressRecord);
+								final Text value = new Text(record);
-
-							try {
 								writer.append(key, value);
 								savedRecordsCounter++;
-							} catch (IOException e) {
-								Log.warn("Writing to sequence file: " + e.getMessage());
-								Log.warn(e);
-								throw new RuntimeException(e);
-							}
 							}
+						} else {
+							break;
 						}
 						long endReq = System.currentTimeMillis();
 						nReqTmp++;
@@ -123,7 +131,7 @@ public class OrcidDownloader extends OrcidDSManager {
 							long reqSessionDuration = endReq - startReqTmp;
 							if (reqSessionDuration <= 1000) {
 								Log
-								.warn(
+									.info(
 										"\nreqSessionDuration: "
 											+ reqSessionDuration
 											+ " nReqTmp: "
@@ -135,10 +143,6 @@ public class OrcidDownloader extends OrcidDSManager {
 								startReqTmp = System.currentTimeMillis();
 							}
 						}
-
-//					if (parsedRecordsCounter > REQ_MAX_TEST) {
-//						break;
-//					}
 						if ((parsedRecordsCounter % RECORD_PARSED_COUNTER_LOG_INTERVAL) == 0) {
 							Log
 								.info(
@@ -148,9 +152,9 @@ public class OrcidDownloader extends OrcidDSManager {
 										+ downloadedRecordsCounter
 										+ " saved: "
 										+ savedRecordsCounter);
-//						if (parsedRecordsCounter > REQ_MAX_TEST) {
+							if (REQ_MAX_TEST != -1 && parsedRecordsCounter > REQ_MAX_TEST) {
-//							break;
+								break;
-//						}
+							}
 						}
 					}
 					long endDownload = System.currentTimeMillis();
@@ -158,8 +162,9 @@ public class OrcidDownloader extends OrcidDSManager {
 					Log.info("Download time: " + ((downloadTime / 1000) / 60) + " minutes");
 				}
 			}
-		lambdaFileStream.close();
+		}
 		Log.info("Download started at: " + new Date(startDownload).toString());
+		Log.info("Download ended at: " + new Date(System.currentTimeMillis()).toString());
 		Log.info("Parsed Records Counter: " + parsedRecordsCounter);
 		Log.info("Downloaded Records Counter: " + downloadedRecordsCounter);
 		Log.info("Saved Records Counter: " + savedRecordsCounter);
@@ -185,7 +190,7 @@ public class OrcidDownloader extends OrcidDSManager {
 		token = parser.get("token");
 	}
 
-	private boolean isModified(String orcidId, String modifiedDate) {
+	public boolean isModified(String orcidId, String modifiedDate) {
 		Date modifiedDateDt = null;
 		Date lastUpdateDt = null;
 		try {
@@ -195,7 +200,7 @@ public class OrcidDownloader extends OrcidDSManager {
 			modifiedDateDt = new SimpleDateFormat(DATE_FORMAT).parse(modifiedDate);
 			lastUpdateDt = new SimpleDateFormat(DATE_FORMAT).parse(lastUpdate);
 		} catch (Exception e) {
-			Log.warn("[" + orcidId + "] Parsing date: ", e.getMessage());
+			Log.info("[" + orcidId + "] Parsing date: ", e.getMessage());
 			return true;
 		}
 		return modifiedDateDt.after(lastUpdateDt);

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkDownloadOrcidAuthors.java

@@ -0,0 +1,166 @@
+
+package eu.dnetlib.doiboost.orcid;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+import java.util.Optional;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.lib.output.SequenceFileOutputFormat;
+import org.apache.http.client.methods.CloseableHttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+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.util.LongAccumulator;
+import org.mortbay.log.Log;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.doiboost.orcid.model.DownloadedRecordData;
+import scala.Tuple2;
+
+public class SparkDownloadOrcidAuthors {
+
+	static Logger logger = LoggerFactory.getLogger(SparkDownloadOrcidAuthors.class);
+	static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
+	static final String lastUpdate = "2020-09-29 00:00:00";
+
+	public static void main(String[] args) throws IOException, Exception {
+
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					SparkDownloadOrcidAuthors.class
+						.getResourceAsStream(
+							"/eu/dnetlib/dhp/doiboost/download_orcid_data.json")));
+		parser.parseArgument(args);
+		Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		logger.info("isSparkSessionManaged: {}", isSparkSessionManaged);
+		final String workingPath = parser.get("workingPath");
+		logger.info("workingPath: ", workingPath);
+		final String outputPath = parser.get("outputPath");
+		logger.info("outputPath: ", outputPath);
+		final String token = parser.get("token");
+		final String lambdaFileName = parser.get("lambdaFileName");
+		logger.info("lambdaFileName: ", lambdaFileName);
+
+		SparkConf conf = new SparkConf();
+		runWithSparkSession(
+			conf,
+			isSparkSessionManaged,
+			spark -> {
+				JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
+
+				LongAccumulator parsedRecordsAcc = spark.sparkContext().longAccumulator("parsedRecords");
+				LongAccumulator modifiedRecordsAcc = spark.sparkContext().longAccumulator("modifiedRecords");
+				LongAccumulator downloadedRecordsAcc = spark.sparkContext().longAccumulator("downloadedRecords");
+
+				logger.info("Retrieving data from lamda sequence file");
+				JavaPairRDD<Text, Text> lamdaFileRDD = sc
+					.sequenceFile(workingPath + lambdaFileName, Text.class, Text.class);
+				logger.info("Data retrieved: " + lamdaFileRDD.count());
+
+				Function<Tuple2<Text, Text>, Boolean> isModifiedAfterFilter = data -> {
+					String orcidId = data._1().toString();
+					String lastModifiedDate = data._2().toString();
+					parsedRecordsAcc.add(1);
+					if (isModified(orcidId, lastModifiedDate)) {
+						modifiedRecordsAcc.add(1);
+						return true;
+					}
+					return false;
+				};
+
+				Function<Tuple2<Text, Text>, Tuple2<String, String>> downloadRecordFunction = data -> {
+					String orcidId = data._1().toString();
+					String lastModifiedDate = data._2().toString();
+					final DownloadedRecordData downloaded = new DownloadedRecordData();
+					downloaded.setOrcidId(orcidId);
+					downloaded.setLastModifiedDate(lastModifiedDate);
+					try (CloseableHttpClient client = HttpClients.createDefault()) {
+						HttpGet httpGet = new HttpGet("https://api.orcid.org/v3.0/" + orcidId + "/record");
+						httpGet.addHeader("Accept", "application/vnd.orcid+xml");
+						httpGet.addHeader("Authorization", String.format("Bearer %s", token));
+						CloseableHttpResponse response = client.execute(httpGet);
+						int statusCode = response.getStatusLine().getStatusCode();
+						downloaded.setStatusCode(statusCode);
+						if (statusCode != 200) {
+							logger
+								.info(
+									"Downloading " + orcidId + " status code: "
+										+ response.getStatusLine().getStatusCode());
+							return downloaded.toTuple2();
+						}
+						downloadedRecordsAcc.add(1);
+						long currentDownloaded = downloadedRecordsAcc.value();
+						if ((currentDownloaded % 10000) == 0) {
+							logger.info("Current downloaded: " + currentDownloaded);
+						}
+						downloaded
+							.setCompressedData(
+								ArgumentApplicationParser
+									.compressArgument(IOUtils.toString(response.getEntity().getContent())));
+					} catch (Throwable e) {
+						logger.info("Downloading " + orcidId, e.getMessage());
+						downloaded.setErrorMessage(e.getMessage());
+						return downloaded.toTuple2();
+					}
+					return downloaded.toTuple2();
+				};
+
+				sc.hadoopConfiguration().set("mapreduce.output.fileoutputformat.compress", "true");
+
+				logger.info("Start execution ...");
+//				List<Tuple2<Text, Text>> sampleList = lamdaFileRDD.take(500);
+//				JavaRDD<Tuple2<Text, Text>> sampleRDD = sc.parallelize(sampleList);
+//				sampleRDD
+				JavaPairRDD<Text, Text> authorsModifiedRDD = lamdaFileRDD
+					.filter(isModifiedAfterFilter);
+				logger.info("Authors modified count: " + authorsModifiedRDD.count());
+				logger.info("Start downloading ...");
+				authorsModifiedRDD
+					.map(downloadRecordFunction)
+					.mapToPair(t -> new Tuple2(new Text(t._1()), new Text(t._2())))
+					.saveAsNewAPIHadoopFile(
+						workingPath.concat(outputPath),
+						Text.class,
+						Text.class,
+						SequenceFileOutputFormat.class,
+						sc.hadoopConfiguration());
+				logger.info("parsedRecordsAcc: " + parsedRecordsAcc.value().toString());
+				logger.info("modifiedRecordsAcc: " + modifiedRecordsAcc.value().toString());
+				logger.info("downloadedRecordsAcc: " + downloadedRecordsAcc.value().toString());
+			});
+
+	}
+
+	private static boolean isModified(String orcidId, String modifiedDate) {
+		Date modifiedDateDt = null;
+		Date lastUpdateDt = null;
+		try {
+			if (modifiedDate.length() != 19) {
+				modifiedDate = modifiedDate.substring(0, 19);
+			}
+			modifiedDateDt = new SimpleDateFormat(DATE_FORMAT).parse(modifiedDate);
+			lastUpdateDt = new SimpleDateFormat(DATE_FORMAT).parse(lastUpdate);
+		} catch (Exception e) {
+			logger.info("[" + orcidId + "] Parsing date: ", e.getMessage());
+			return true;
+		}
+		return modifiedDateDt.after(lastUpdateDt);
+	}
+}

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkGenLastModifiedSeq.java

@@ -0,0 +1,99 @@
+
+package eu.dnetlib.doiboost.orcid;
+
+import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
+import org.apache.commons.io.IOUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.SequenceFile;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.compress.GzipCodec;
+import org.apache.spark.SparkConf;
+import org.mortbay.log.Log;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+
+public class SparkGenLastModifiedSeq {
+	private static String hdfsServerUri;
+	private static String workingPath;
+	private static String outputPath;
+	private static String lambdaFileName;
+
+	public static void main(String[] args) throws IOException, Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+			IOUtils
+				.toString(
+					SparkGenLastModifiedSeq.class
+						.getResourceAsStream(
+							"/eu/dnetlib/dhp/doiboost/download_orcid_data.json")));
+		parser.parseArgument(args);
+		Boolean isSparkSessionManaged = Optional
+			.ofNullable(parser.get("isSparkSessionManaged"))
+			.map(Boolean::valueOf)
+			.orElse(Boolean.TRUE);
+		hdfsServerUri = parser.get("hdfsServerUri");
+		workingPath = parser.get("workingPath");
+		outputPath = parser.get("outputPath");
+		lambdaFileName = parser.get("lambdaFileName");
+		String lambdaFileUri = hdfsServerUri.concat(workingPath).concat(lambdaFileName);
+
+		SparkConf sparkConf = new SparkConf();
+		runWithSparkSession(
+			sparkConf,
+			isSparkSessionManaged,
+			spark -> {
+				int rowsNum = 0;
+				Path output = new Path(
+					hdfsServerUri
+						.concat(workingPath)
+						.concat(outputPath));
+				Path hdfsreadpath = new Path(lambdaFileUri);
+				Configuration conf = new Configuration();
+				conf.set("fs.defaultFS", hdfsServerUri.concat(workingPath));
+				conf.set("fs.hdfs.impl", org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
+				conf.set("fs.file.impl", org.apache.hadoop.fs.LocalFileSystem.class.getName());
+				FileSystem fs = FileSystem.get(URI.create(hdfsServerUri.concat(workingPath)), conf);
+				FSDataInputStream lambdaFileStream = fs.open(hdfsreadpath);
+				try (TarArchiveInputStream tais = new TarArchiveInputStream(
+					new GzipCompressorInputStream(lambdaFileStream))) {
+					TarArchiveEntry entry = null;
+					try (SequenceFile.Writer writer = SequenceFile
+						.createWriter(
+							conf,
+							SequenceFile.Writer.file(output),
+							SequenceFile.Writer.keyClass(Text.class),
+							SequenceFile.Writer.valueClass(Text.class),
+							SequenceFile.Writer.compression(SequenceFile.CompressionType.BLOCK, new GzipCodec()))) {
+						while ((entry = tais.getNextTarEntry()) != null) {
+							BufferedReader br = new BufferedReader(new InputStreamReader(tais));
+							String line;
+							while ((line = br.readLine()) != null) {
+								String[] values = line.split(",");
+								List<String> recordInfo = Arrays.asList(values);
+								String orcidId = recordInfo.get(0);
+								final Text key = new Text(orcidId);
+								final Text value = new Text(recordInfo.get(3));
+								writer.append(key, value);
+								rowsNum++;
+							}
+						}
+					}
+				}
+				Log.info("Saved rows from lamda csv tar file: " + rowsNum);
+			});
+	}
+}

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkOrcidGenerateAuthors.java

@@ -1,165 +0,0 @@
-
-package eu.dnetlib.doiboost.orcid;
-
-import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
-
-import java.io.IOException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.List;
-import java.util.Optional;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.hadoop.io.Text;
-import org.apache.http.client.methods.CloseableHttpResponse;
-import org.apache.http.client.methods.HttpGet;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
-import org.apache.spark.SparkConf;
-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.sql.Encoders;
-import org.apache.spark.sql.SaveMode;
-import org.apache.spark.util.LongAccumulator;
-import org.mortbay.log.Log;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.doiboost.orcid.model.DownloadedRecordData;
-import scala.Tuple2;
-
-public class SparkOrcidGenerateAuthors {
-
-	static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
-	static final String lastUpdate = "2019-09-30 00:00:00";
-
-	public static void main(String[] args) throws IOException, Exception {
-		Logger logger = LoggerFactory.getLogger(SparkOrcidGenerateAuthors.class);
-		logger.info("[ SparkOrcidGenerateAuthors STARTED]");
-
-		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
-			IOUtils
-				.toString(
-					SparkOrcidGenerateAuthors.class
-						.getResourceAsStream(
-							"/eu/dnetlib/dhp/doiboost/gen_orcid_authors_parameters.json")));
-		parser.parseArgument(args);
-		Boolean isSparkSessionManaged = Optional
-			.ofNullable(parser.get("isSparkSessionManaged"))
-			.map(Boolean::valueOf)
-			.orElse(Boolean.TRUE);
-		logger.info("isSparkSessionManaged: {}", isSparkSessionManaged);
-		final String workingPath = parser.get("workingPath");
-		logger.info("workingPath: ", workingPath);
-		final String outputAuthorsPath = parser.get("outputAuthorsPath");
-		logger.info("outputAuthorsPath: ", outputAuthorsPath);
-		final String token = parser.get("token");
-
-		SparkConf conf = new SparkConf();
-		runWithSparkSession(
-			conf,
-			isSparkSessionManaged,
-			spark -> {
-				JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
-
-				LongAccumulator parsedRecordsAcc = sc.sc().longAccumulator("parsedRecords");
-				LongAccumulator modifiedRecordsAcc = sc.sc().longAccumulator("modifiedRecords");
-				LongAccumulator downloadedRecordsAcc = sc.sc().longAccumulator("downloadedRecords");
-				LongAccumulator alreadyDownloadedRecords = sc.sc().longAccumulator("alreadyDownloadedRecords");
-				JavaRDD<String> lamdaFileRDD = sc.textFile(workingPath + "lamdafiles");
-
-				JavaRDD<String> downloadedRDD = sc.textFile(workingPath + "downloaded");
-				Function<String, String> getOrcidIdFunction = line -> {
-					try {
-						String[] values = line.split(",");
-						return values[0].substring(1);
-					} catch (Exception e) {
-						return new String("");
-					}
-				};
-				List<String> downloadedRecords = downloadedRDD.map(getOrcidIdFunction).collect();
-
-				Function<String, Boolean> isModifiedAfterFilter = line -> {
-					String[] values = line.split(",");
-					String orcidId = values[0];
-					parsedRecordsAcc.add(1);
-					if (isModified(orcidId, values[3])) {
-						modifiedRecordsAcc.add(1);
-						return true;
-					}
-					return false;
-				};
-				Function<String, Boolean> isNotDownloadedFilter = line -> {
-					String[] values = line.split(",");
-					String orcidId = values[0];
-					if (downloadedRecords.contains(orcidId)) {
-						alreadyDownloadedRecords.add(1);
-						return false;
-					}
-					return true;
-				};
-				Function<String, Tuple2<String, String>> downloadRecordFunction = line -> {
-					String[] values = line.split(",");
-					String orcidId = values[0];
-					String modifiedDate = values[3];
-					return downloadRecord(orcidId, modifiedDate, token, downloadedRecordsAcc);
-				};
-
-				lamdaFileRDD
-					.filter(isModifiedAfterFilter)
-					.filter(isNotDownloadedFilter)
-					.map(downloadRecordFunction)
-					.rdd()
-					.saveAsTextFile(workingPath.concat(outputAuthorsPath));
-			});
-
-	}
-
-	private static boolean isModified(String orcidId, String modifiedDate) {
-		Date modifiedDateDt = null;
-		Date lastUpdateDt = null;
-		try {
-			if (modifiedDate.length() != 19) {
-				modifiedDate = modifiedDate.substring(0, 19);
-			}
-			modifiedDateDt = new SimpleDateFormat(DATE_FORMAT).parse(modifiedDate);
-			lastUpdateDt = new SimpleDateFormat(DATE_FORMAT).parse(lastUpdate);
-		} catch (Exception e) {
-			Log.warn("[" + orcidId + "] Parsing date: ", e.getMessage());
-			return true;
-		}
-		return modifiedDateDt.after(lastUpdateDt);
-	}
-
-	private static Tuple2<String, String> downloadRecord(String orcidId, String modifiedDate, String token,
-		LongAccumulator downloadedRecordsAcc) {
-		final DownloadedRecordData data = new DownloadedRecordData();
-		data.setOrcidId(orcidId);
-		data.setModifiedDate(modifiedDate);
-		try (CloseableHttpClient client = HttpClients.createDefault()) {
-			HttpGet httpGet = new HttpGet("https://api.orcid.org/v3.0/" + orcidId + "/record");
-			httpGet.addHeader("Accept", "application/vnd.orcid+xml");
-			httpGet.addHeader("Authorization", String.format("Bearer %s", token));
-			CloseableHttpResponse response = client.execute(httpGet);
-			int statusCode = response.getStatusLine().getStatusCode();
-			data.setStatusCode(statusCode);
-			if (statusCode != 200) {
-				Log
-					.warn(
-						"Downloading " + orcidId + " status code: " + response.getStatusLine().getStatusCode());
-				return data.toTuple2();
-			}
-			downloadedRecordsAcc.add(1);
-			data
-				.setCompressedData(
-					ArgumentApplicationParser.compressArgument(IOUtils.toString(response.getEntity().getContent())));
-		} catch (Throwable e) {
-			Log.warn("Downloading " + orcidId, e.getMessage());
-			data.setErrorMessage(e.getMessage());
-			return data.toTuple2();
-		}
-		return data.toTuple2();
-	}
-}

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/SparkPartitionLambdaFile.java

@@ -1,50 +0,0 @@
-
-package eu.dnetlib.doiboost.orcid;
-
-import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
-
-import java.io.IOException;
-import java.util.Optional;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.spark.SparkConf;
-import org.apache.spark.api.java.JavaRDD;
-import org.apache.spark.api.java.JavaSparkContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-
-public class SparkPartitionLambdaFile {
-
-	public static void main(String[] args) throws IOException, Exception {
-		Logger logger = LoggerFactory.getLogger(SparkOrcidGenerateAuthors.class);
-
-		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
-			IOUtils
-				.toString(
-					SparkOrcidGenerateAuthors.class
-						.getResourceAsStream(
-							"/eu/dnetlib/dhp/doiboost/gen_orcid_authors_parameters.json")));
-		parser.parseArgument(args);
-		Boolean isSparkSessionManaged = Optional
-			.ofNullable(parser.get("isSparkSessionManaged"))
-			.map(Boolean::valueOf)
-			.orElse(Boolean.TRUE);
-		final String workingPath = parser.get("workingPath");
-
-		SparkConf conf = new SparkConf();
-		runWithSparkSession(
-			conf,
-			isSparkSessionManaged,
-			spark -> {
-				JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
-				JavaRDD<String> lamdaFileRDD = sc.textFile(workingPath + "last_modified.csv");
-
-				lamdaFileRDD
-					.repartition(20)
-					.saveAsTextFile(workingPath.concat("lamdafiles"));
-			});
-	}
-
-}

dhp-workflows/dhp-doiboost/src/main/java/eu/dnetlib/doiboost/orcid/model/DownloadedRecordData.java

@@ -3,8 +3,6 @@ package eu.dnetlib.doiboost.orcid.model;
 
 import java.io.Serializable;
 
-import org.apache.hadoop.io.Text;
-
 import com.google.gson.JsonObject;
 
 import scala.Tuple2;
@@ -12,7 +10,7 @@ import scala.Tuple2;
 public class DownloadedRecordData implements Serializable {
 
 	private String orcidId;
-	private String modifiedDate;
+	private String lastModifiedDate;
 	private String statusCode;
 	private String compressedData;
 	private String errorMessage;
@@ -20,7 +18,7 @@ public class DownloadedRecordData implements Serializable {
 	public Tuple2<String, String> toTuple2() {
 		JsonObject data = new JsonObject();
 		data.addProperty("statusCode", getStatusCode());
-		data.addProperty("modifiedDate", getModifiedDate());
+		data.addProperty("lastModifiedDate", getLastModifiedDate());
 		if (getCompressedData() != null) {
 			data.addProperty("compressedData", getCompressedData());
 		}
@@ -66,11 +64,11 @@ public class DownloadedRecordData implements Serializable {
 		this.compressedData = compressedData;
 	}
 
-	public String getModifiedDate() {
+	public String getLastModifiedDate() {
-		return modifiedDate;
+		return lastModifiedDate;
 	}
 
-	public void setModifiedDate(String modifiedDate) {
+	public void setLastModifiedDate(String lastModifiedDate) {
-		this.modifiedDate = modifiedDate;
+		this.lastModifiedDate = lastModifiedDate;
 	}
 }

dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/gen_orcid_authors_parameters.json

@@ -1,4 +0,0 @@
-[{"paramName":"w",   "paramLongName":"workingPath",	"paramDescription": "the working path",	"paramRequired": true},
- {"paramName":"t",   "paramLongName":"token",	"paramDescription": "token to grant access",	"paramRequired": true},
- {"paramName":"o",   "paramLongName":"outputAuthorsPath",	"paramDescription": "the relative folder of the sequencial file to write the authors data",	"paramRequired": true}
-]

dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_gen_authors/oozie_app/config-default.xml

@@ -1,22 +0,0 @@
-<configuration>
-    <property>
-            <name>jobTracker</name>
-            <value>hadoop-rm3.garr-pa1.d4science.org:8032</value>
-    </property>
-    <property>
-            <name>nameNode</name>
-            <value>hdfs://hadoop-rm1.garr-pa1.d4science.org:8020</value>
-    </property>
-    <property>
-            <name>queueName</name>
-            <value>default</value>
-    </property>
-    <property>
-        <name>oozie.use.system.libpath</name>
-        <value>true</value>
-    </property>
-    <property>
-        <name>oozie.action.sharelib.for.spark</name>
-        <value>spark2</value>
-    </property>
-</configuration>

dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_gen_authors/oozie_app/workflow.xml

@@ -1,83 +0,0 @@
-<workflow-app name="Gen Orcid Authors" xmlns="uri:oozie:workflow:0.5">
-    <parameters>
-        <property>
-            <name>workingPath</name>
-            <description>the working dir base path</description>
-        </property>
-        <property>
-            <name>token</name>
-            <description>access token</description>
-        </property>
-        <property>
-            <name>sparkDriverMemory</name>
-            <description>memory for driver process</description>
-        </property>
-        <property>
-            <name>sparkExecutorMemory</name>
-            <description>memory for individual executor</description>
-        </property>
-        <property>
-            <name>sparkExecutorCores</name>
-            <description>number of cores used by single executor</description>
-        </property>
-        <property>
-            <name>outputPath</name>
-            <description>the working dir base path</description>
-        </property>
-    </parameters>
-    
-    <start to="ResetWorkingPath"/>
-    
-    
-    <kill name="Kill">
-        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
-    </kill>
-    
-    <action name="ResetWorkingPath">
-        <fs>
-            <delete path='${workingPath_activities}/authors'/>
-        </fs>
-        <ok to="Gen_Orcid_Authors"/>
-        <error to="Kill"/>
-    </action>
-	
-	<action name="Split_Lambda_File">
-        <spark xmlns="uri:oozie:spark-action:0.2">
-        	<job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <master>yarn</master>
-            <mode>cluster</mode>
-            <name>Split_Lambda_File</name>
-            <class>eu.dnetlib.doiboost.orcid.SparkPartitionLambdaFile</class>
-            <jar>dhp-doiboost-1.2.1-SNAPSHOT.jar</jar>
-            <spark-opts>--num-executors 24 --conf spark.yarn.jars=&quot;hdfs://hadoop-rm1.garr-pa1.d4science.org:8020/user/oozie/share/lib/lib_20180405103059/spark2&quot; --executor-memory=${sparkExecutorMemory} --executor-cores=${sparkExecutorCores} --driver-memory=${sparkDriverMemory}
-            </spark-opts>
-            <arg>-w</arg><arg>${workingPath}/</arg>
-            <arg>-o</arg><arg>authors/</arg>
-            <arg>-t</arg><arg>${token}</arg>
-        </spark>
-        <ok to="End"/>
-        <error to="Kill"/>
-    </action>
-    
-	<action name="Gen_Orcid_Authors">
-        <spark xmlns="uri:oozie:spark-action:0.2">
-        	<job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <master>yarn</master>
-            <mode>cluster</mode>
-            <name>Gen_Orcid_Authors</name>
-            <class>eu.dnetlib.doiboost.orcid.SparkOrcidGenerateAuthors</class>
-            <jar>dhp-doiboost-1.2.1-SNAPSHOT.jar</jar>
-            <spark-opts>--num-executors 20 --conf spark.yarn.jars=&quot;hdfs://hadoop-rm1.garr-pa1.d4science.org:8020/user/oozie/share/lib/lib_20180405103059/spark2&quot; --executor-memory=${sparkExecutorMemory} --executor-cores=${sparkExecutorCores} --driver-memory=${sparkDriverMemory}
-            </spark-opts>
-            <arg>-w</arg><arg>${workingPath}/</arg>
-            <arg>-o</arg><arg>authors/</arg>
-            <arg>-t</arg><arg>${token}</arg>
-        </spark>
-        <ok to="End"/>
-        <error to="Kill"/>
-    </action>
-    
-   <end name="End"/>
-</workflow-app>

dhp-workflows/dhp-doiboost/src/main/resources/eu/dnetlib/dhp/doiboost/orcid_updates_download/oozie_app/workflow.xml

@@ -14,9 +14,63 @@
             </value>
             <description>the shell command that downloads the lambda file from orcid containing last orcid update informations</description>
         </property>
+        <property>
+            <name>sparkExecutorNumber</name>
+            <value>20</value>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <value>7G</value>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <value>2G</value>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <value>1</value>
+            <description>number of cores used by single executor</description>
+        </property>
+        <property>
+            <name>spark2MaxExecutors</name>
+            <value>20</value>
+        </property>
+        <property>
+            <name>oozieActionShareLibForSpark2</name>
+            <description>oozie action sharelib for spark 2.*</description>
+        </property>
+        <property>
+            <name>spark2ExtraListeners</name>
+            <value>com.cloudera.spark.lineage.NavigatorAppListener</value>
+            <description>spark 2.* extra listeners classname</description>
+        </property>
+        <property>
+            <name>spark2SqlQueryExecutionListeners</name>
+            <value>com.cloudera.spark.lineage.NavigatorQueryListener</value>
+            <description>spark 2.* sql query execution listeners classname</description>
+        </property>
+        <property>
+            <name>spark2YarnHistoryServerAddress</name>
+            <description>spark 2.* yarn history server address</description>
+        </property>
+        <property>
+            <name>spark2EventLogDir</name>
+            <description>spark 2.* event log dir location</description>
+        </property>
     </parameters>
 
-    <start to="ResetWorkingPath"/>
+    <global>
+        <configuration>
+            <property>
+                <name>oozie.action.sharelib.for.spark</name>
+                <value>${oozieActionShareLibForSpark2}</value>
+            </property>
+        </configuration>
+    </global>
+
+    <start to="DownloadOrcidAuthors"/>
     
     
     <kill name="Kill">
@@ -26,6 +80,7 @@
     <action name="ResetWorkingPath">
         <fs>
             <delete path='${workingPath}/downloads'/>
+            <delete path='${workingPath}/last_modified.csv.tar'/>
             <mkdir path='${workingPath}/downloads'/>
         </fs>
         <ok to="DownloadLambdaFile"/>
@@ -41,24 +96,77 @@
             <argument>${shell_cmd}</argument>
             <capture-output/>
         </shell>
-        <ok to="End"/>
+        <ok to="DownloadUpdatedXMLAuthors"/>
         <error to="Kill"/>
     </action>
 
-	<action name="DownloadOrcidData">
+	<action name="DownloadUpdatedXMLAuthors">
         <java>
             <job-tracker>${jobTracker}</job-tracker>
             <name-node>${nameNode}</name-node>
             <main-class>eu.dnetlib.doiboost.orcid.OrcidDownloader</main-class>
-            <arg>-d</arg><arg>${workingPathOrcid}/</arg>
+            <arg>-w</arg><arg>${workingPath}/</arg>
             <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-f</arg><arg>last_modified.csv</arg>
+            <arg>-f</arg><arg>last_modified.csv.tar</arg>
-            <arg>-o</arg><arg>download/</arg>
+            <arg>-o</arg><arg>downloads/</arg>
             <arg>-t</arg><arg>${token}</arg>
         </java>
         <ok to="End"/>
         <error to="Kill"/>
     </action>
 
+    <action name="GenLastModifiedSeq">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>GenLastModifiedSeq</name>
+            <class>eu.dnetlib.doiboost.orcid.SparkGenLastModifiedSeq</class>
+            <jar>dhp-doiboost-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory=${sparkExecutorMemory}
+                --executor-cores=${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+            </spark-opts>
+            <arg>-w</arg><arg>${workingPath}/</arg>
+            <arg>-n</arg><arg>${nameNode}</arg>
+            <arg>-f</arg><arg>last_modified.csv.tar</arg>
+            <arg>-o</arg><arg>last_modified.seq</arg>
+            <arg>-t</arg><arg>-</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="DownloadOrcidAuthors">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>DownloadOrcidAuthors</name>
+            <class>eu.dnetlib.doiboost.orcid.SparkDownloadOrcidAuthors</class>
+            <jar>dhp-doiboost-${projectVersion}.jar</jar>
+            <spark-opts>
+                --num-executors=${sparkExecutorNumber}
+                --executor-memory=${sparkExecutorMemory}
+                --executor-cores=${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners=${spark2ExtraListeners}
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+                --conf spark.sql.queryExecutionListeners=${spark2SqlQueryExecutionListeners}
+            </spark-opts>
+            <arg>-w</arg><arg>${workingPath}/</arg>
+            <arg>-n</arg><arg>${nameNode}</arg>
+            <arg>-f</arg><arg>last_modified.seq</arg>
+            <arg>-o</arg><arg>downloads/updated_authors</arg>
+            <arg>-t</arg><arg>${token}</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
+    
    <end name="End"/>
 </workflow-app>

dhp-workflows/dhp-doiboost/src/test/java/eu/dnetlib/doiboost/orcid/OrcidClientTest.java

@@ -5,17 +5,24 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.*;
 import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.apache.commons.compress.compressors.gzip.GzipCompressorInputStream;
 import org.apache.commons.io.IOUtils;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
+import org.apache.spark.sql.catalyst.expressions.objects.AssertNotNull;
 import org.junit.jupiter.api.Test;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
@@ -37,12 +44,49 @@ public class OrcidClientTest {
 //	'https://api.orcid.org/v3.0/0000-0001-7291-3210/record'
 
 	@Test
-	public void downloadTest() throws Exception {
+	private void multipleDownloadTest() throws Exception {
-		String record = testDownloadRecord("0000-0001-6163-2042");
+		int toDownload = 1;
-		File f = new File("/tmp/downloaded_0000-0001-6163-2042.xml");
+		long start = System.currentTimeMillis();
+		OrcidDownloader downloader = new OrcidDownloader();
+		TarArchiveInputStream input = new TarArchiveInputStream(
+			new GzipCompressorInputStream(new FileInputStream("/tmp/last_modified.csv.tar")));
+		TarArchiveEntry entry = input.getNextTarEntry();
+		BufferedReader br = null;
+		StringBuilder sb = new StringBuilder();
+		int rowNum = 0;
+		int entryNum = 0;
+		int modified = 0;
+		while (entry != null) {
+			br = new BufferedReader(new InputStreamReader(input)); // Read directly from tarInput
+			String line;
+			while ((line = br.readLine()) != null) {
+				String[] values = line.toString().split(",");
+				List<String> recordInfo = Arrays.asList(values);
+				String orcidId = recordInfo.get(0);
+				if (downloader.isModified(orcidId, recordInfo.get(3))) {
+					downloadTest(orcidId);
+					modified++;
+				}
+				rowNum++;
+				if (modified > toDownload) {
+					break;
+				}
+			}
+			entryNum++;
+			entry = input.getNextTarEntry();
+		}
+		long end = System.currentTimeMillis();
+		logToFile("start test: " + new Date(start).toString());
+		logToFile("end test: " + new Date(end).toString());
+	}
+
+	@Test
+	private void downloadTest(String orcid) throws Exception {
+		String record = testDownloadRecord(orcid);
+		String filename = "/tmp/downloaded_".concat(orcid).concat(".xml");
+		File f = new File(filename);
 		OutputStream outStream = new FileOutputStream(f);
 		IOUtils.write(record.getBytes(), outStream);
-		System.out.println("saved to tmp");
 	}
 
 	private String testDownloadRecord(String orcidId) throws Exception {
@@ -50,7 +94,9 @@ public class OrcidClientTest {
 			HttpGet httpGet = new HttpGet("https://api.orcid.org/v3.0/" + orcidId + "/record");
 			httpGet.addHeader("Accept", "application/vnd.orcid+xml");
 			httpGet.addHeader("Authorization", "Bearer 78fdb232-7105-4086-8570-e153f4198e3d");
+			logToFile("start connection: " + new Date(System.currentTimeMillis()).toString());
 			CloseableHttpResponse response = client.execute(httpGet);
+			logToFile("end connection: " + new Date(System.currentTimeMillis()).toString());
 			if (response.getStatusLine().getStatusCode() != 200) {
 				System.out
 					.println("Downloading " + orcidId + " status code: " + response.getStatusLine().getStatusCode());
@@ -62,7 +108,7 @@ public class OrcidClientTest {
 		return new String("");
 	}
 
-//	@Test
+	// @Test
 	private void testLambdaFileParser() throws Exception {
 		try (BufferedReader br = new BufferedReader(
 			new InputStreamReader(this.getClass().getResourceAsStream("last_modified.csv")))) {
@@ -108,7 +154,7 @@ public class OrcidClientTest {
 		}
 	}
 
-//	@Test
+	// @Test
 	private void getRecordDatestamp() throws ParseException {
 		Date toRetrieveDateDt = new SimpleDateFormat(DATE_FORMAT).parse(toRetrieveDate);
 		Date toNotRetrieveDateDt = new SimpleDateFormat(DATE_FORMAT).parse(toNotRetrieveDate);
@@ -126,7 +172,7 @@ public class OrcidClientTest {
 		System.out.println(valueDt.toString());
 	}
 
-//	@Test
+	// @Test
 	@Ignore
 	private void testModifiedDate() throws ParseException {
 		testDate(toRetrieveDate);
@@ -134,14 +180,81 @@ public class OrcidClientTest {
 		testDate(shortDate);
 	}
 
-//	@Test
+	@Test
-	@Ignore
+	public void testReadBase64CompressedRecord() throws Exception {
-	private void testReadBase64CompressedRecord() throws Exception {
 		final String base64CompressedRecord = IOUtils
-			.toString(getClass().getResourceAsStream("0000-0001-6645-509X.compressed.base64"));
+			.toString(getClass().getResourceAsStream("0000-0003-3028-6161.compressed.base64"));
 		final String recordFromSeqFile = ArgumentApplicationParser.decompressValue(base64CompressedRecord);
-		System.out.println(recordFromSeqFile);
+		logToFile("\n\ndownloaded \n\n" + recordFromSeqFile);
-		final String downloadedRecord = testDownloadRecord("0000-0001-6645-509X");
+		final String downloadedRecord = testDownloadRecord("0000-0003-3028-6161");
 		assertTrue(recordFromSeqFile.equals(downloadedRecord));
 	}
+
+	@Test
+	private void lambdaFileReaderTest() throws Exception {
+		TarArchiveInputStream input = new TarArchiveInputStream(
+			new GzipCompressorInputStream(new FileInputStream("/develop/last_modified.csv.tar")));
+		TarArchiveEntry entry = input.getNextTarEntry();
+		BufferedReader br = null;
+		StringBuilder sb = new StringBuilder();
+		int rowNum = 0;
+		int entryNum = 0;
+		while (entry != null) {
+			br = new BufferedReader(new InputStreamReader(input)); // Read directly from tarInput
+			String line;
+			while ((line = br.readLine()) != null) {
+				String[] values = line.toString().split(",");
+				List<String> recordInfo = Arrays.asList(values);
+				assertTrue(recordInfo.size() == 4);
+
+				rowNum++;
+				if (rowNum == 1) {
+					assertTrue(recordInfo.get(3).equals("last_modified"));
+				} else if (rowNum == 2) {
+					assertTrue(recordInfo.get(0).equals("0000-0002-0499-7333"));
+				}
+			}
+			entryNum++;
+			assertTrue(entryNum == 1);
+			entry = input.getNextTarEntry();
+		}
+	}
+
+	@Test
+	private void lambdaFileCounterTest() throws Exception {
+		final String lastUpdate = "2020-09-29 00:00:00";
+		OrcidDownloader downloader = new OrcidDownloader();
+		TarArchiveInputStream input = new TarArchiveInputStream(
+			new GzipCompressorInputStream(new FileInputStream("/tmp/last_modified.csv.tar")));
+		TarArchiveEntry entry = input.getNextTarEntry();
+		BufferedReader br = null;
+		StringBuilder sb = new StringBuilder();
+		int rowNum = 0;
+		int entryNum = 0;
+		int modified = 0;
+		while (entry != null) {
+			br = new BufferedReader(new InputStreamReader(input)); // Read directly from tarInput
+			String line;
+			while ((line = br.readLine()) != null) {
+				String[] values = line.toString().split(",");
+				List<String> recordInfo = Arrays.asList(values);
+				String orcidId = recordInfo.get(0);
+				if (downloader.isModified(orcidId, recordInfo.get(3))) {
+					modified++;
+				}
+				rowNum++;
+			}
+			entryNum++;
+			entry = input.getNextTarEntry();
+		}
+		logToFile("rowNum: " + rowNum);
+		logToFile("modified: " + modified);
+	}
+
+	private void logToFile(String log)
+		throws IOException {
+		log = log.concat("\n");
+		Path path = Paths.get("/tmp/orcid_log.txt");
+		Files.write(path, log.getBytes(), StandardOpenOption.APPEND);
+	}
 }

dhp-workflows/dhp-doiboost/src/test/resources/eu/dnetlib/doiboost/orcid/0000-0001-6645-509X.compressed.base64

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