diff --git a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
index 16bbfc7..0b53645 100644
--- a/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
+++ b/service-executor/service-executor-task/src/main/java/com/lanyuanxiaoyao/service/executor/task/DataScanner.java
@@ -2,6 +2,7 @@ package com.lanyuanxiaoyao.service.executor.task;
 
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import com.lanyuanxiaoyao.service.configuration.ExecutorProvider;
 import com.lanyuanxiaoyao.service.executor.core.TaskContext;
 import com.lanyuanxiaoyao.service.executor.task.entity.RecordView;
 import com.lanyuanxiaoyao.service.executor.task.functions.ReadHudiFile;
@@ -9,6 +10,7 @@ import com.lanyuanxiaoyao.service.executor.task.helper.ArgumentsHelper;
 import com.lanyuanxiaoyao.service.executor.task.helper.FlinkHelper;
 import java.io.IOException;
 import java.util.Map;
+import java.util.Optional;
 import org.apache.flink.streaming.api.datastream.DataStream;
 import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
 import org.apache.hadoop.conf.Configuration;
@@ -30,6 +32,36 @@ import org.slf4j.LoggerFactory;
 public class DataScanner {
     private static final Logger logger = LoggerFactory.getLogger(DataScanner.class);
 
+    private static ImmutableList<String> parsePaths(FileSystem fileSystem, ImmutableList<Path> paths) {
+        return paths
+                .asParallel(ExecutorProvider.EXECUTORS, 1)
+                .reject(path -> {
+                    try {
+                        return FSUtils.getFileSize(fileSystem, path) < 1;
+                    } catch (IOException e) {
+                        logger.error("Get file size error", e);
+                    }
+                    return true;
+                })
+                .groupBy(FSUtils::getFileIdFromFilePath)
+                .multiValuesView()
+                .collect(pathList -> pathList
+                        .toSortedListBy(path -> {
+                            String commitTime = FSUtils.getCommitTime(path.getName());
+                            try {
+                                return Long.valueOf(commitTime);
+                            } catch (Throwable throwable) {
+                                return 0L;
+                            }
+                        })
+                        .getLastOptional())
+                .select(Optional::isPresent)
+                .collect(Optional::get)
+                .collect(Path::toString)
+                .toList()
+                .toImmutable();
+    }
+
     public static void main(String[] args) throws Exception {
         TaskContext taskContext = ArgumentsHelper.getContext(args);
         logger.info("Context: {}", taskContext);
@@ -67,30 +99,54 @@ public class DataScanner {
                 .collect(FileStatus::getPath);
 
         StreamExecutionEnvironment environment = FlinkHelper.getBatchEnvironment();
-        environment.setParallelism(20);
 
         DataStream<RecordView> source = null;
+        int totalParallelism = 20;
         if (scanLog) {
             ImmutableList<String> logPaths = paths.select(FSUtils::isLogFile).collect(Path::toString);
-            source = environment.fromCollection(logPaths.toList())
+            int parallelism = Math.max(1, Math.min(logPaths.size() / 20, 100));
+            totalParallelism = Math.max(totalParallelism, parallelism);
+            source = environment
+                    .fromCollection(logPaths.toList())
+                    .name("Read log paths")
                     .flatMap(new ReadHudiFile())
-                    .setParallelism(Math.max(1, logPaths.size() / 20));
+                    .name("Read hudi file")
+                    .setParallelism(parallelism);
         }
         if (scanData) {
-            ImmutableList<String> dataPaths = paths.select(FSUtils::isDataFile).collect(Path::toString);
-            int parallelism = Math.max(1, dataPaths.size() / 2);
+            ImmutableList<String> dataPaths = parsePaths(fileSystem, paths.select(FSUtils::isBaseFile));
+            int parallelism = Math.max(1, Math.min(dataPaths.size() / 2, 500));
+            totalParallelism = Math.max(totalParallelism, parallelism);
             if (ObjectUtil.isNull(source)) {
-                source = environment.fromCollection(dataPaths.toList()).flatMap(new ReadHudiFile()).setParallelism(parallelism);
+                source = environment
+                        .fromCollection(dataPaths.toList())
+                        .name("Read base paths")
+                        .flatMap(new ReadHudiFile())
+                        .name("Read hudi file")
+                        .setParallelism(parallelism);
             } else {
-                source = source.union(environment.fromCollection(dataPaths.toList()).flatMap(new ReadHudiFile()).setParallelism(parallelism));
+                source = source.union(environment
+                        .fromCollection(dataPaths.toList())
+                        .name("Read base paths")
+                        .flatMap(new ReadHudiFile())
+                        .name("Read hudi file")
+                        .setParallelism(parallelism));
             }
         }
         if (ObjectUtil.isNull(source)) {
             throw new RuntimeException("Source cannot be null");
         }
-        source.map(RecordView::toString)
+
+        environment.setParallelism(Math.max(50, Math.min(totalParallelism / 2, 200)));
+
+        source
+                .map(RecordView::toString)
+                .name("Covert record to string")
                 .filter(line -> StrUtil.contains(line, key))
-                .sinkTo(FlinkHelper.createFileSink(taskContext));
+                .name("Filter target key")
+                .sinkTo(FlinkHelper.createFileSink(taskContext))
+                .setParallelism(10)
+                .name("Output results");
         environment.execute(StrUtil.format("Search {} in {}", key, hdfs));
     }
 }
diff --git a/service-executor/service-executor-task/src/test/java/com/lanyuanxiaoyao/service/executor/task/ParseLatestPath.java b/service-executor/service-executor-task/src/test/java/com/lanyuanxiaoyao/service/executor/task/ParseLatestPath.java
new file mode 100644
index 0000000..7699eba
--- /dev/null
+++ b/service-executor/service-executor-task/src/test/java/com/lanyuanxiaoyao/service/executor/task/ParseLatestPath.java
@@ -0,0 +1,43 @@
+package com.lanyuanxiaoyao.service.executor.task;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import org.apache.hadoop.fs.Path;
+import org.apache.hudi.common.fs.FSUtils;
+import org.eclipse.collections.api.factory.Lists;
+import org.eclipse.collections.api.list.ImmutableList;
+
+/**
+ * @author lanyuanxiaoyao
+ * @date 2024-01-17
+ */
+public class ParseLatestPath {
+    public static void main(String[] args) throws IOException {
+        List<Path> paths = Files.readAllLines(Paths.get("/Users/lanyuanxiaoyao/SynologyDrive/document/office/(2024-01-17-459) list.txt"))
+                .stream()
+                .map(Path::new)
+                .collect(Collectors.toList());
+        ImmutableList<String> targetPaths = Lists.immutable.ofAll(paths)
+                .select(FSUtils::isBaseFile)
+                .groupBy(FSUtils::getFileIdFromFilePath)
+                .multiValuesView()
+                .collect(pathList -> pathList
+                        .toSortedListBy(path -> {
+                            String commitTime = FSUtils.getCommitTime(path.getName());
+                            System.out.println(commitTime);
+                            return Long.valueOf(commitTime);
+                        })
+                        .getLastOptional())
+                .select(Optional::isPresent)
+                .collect(Optional::get)
+                .collect(Path::toString)
+                .toList()
+                .toImmutable();
+        targetPaths.forEach(System.out::println);
+    }
+}