[HUDI-3180] Include files from completed commits while bootstrapping metadata table (#4519)

hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java

@@ -746,9 +746,16 @@ public abstract class HoodieBackedTableMetadataWriter implements HoodieTableMeta
     HoodieData<HoodieRecord> partitionRecords = engineContext.parallelize(Arrays.asList(allPartitionRecord), 1);
     if (!partitionInfoList.isEmpty()) {
       HoodieData<HoodieRecord> fileListRecords = engineContext.parallelize(partitionInfoList, partitionInfoList.size()).map(partitionInfo -> {
+        Map<String, Long> fileNameToSizeMap = partitionInfo.getFileNameToSizeMap();
+        // filter for files that are part of the completed commits
+        Map<String, Long> validFileNameToSizeMap = fileNameToSizeMap.entrySet().stream().filter(fileSizePair -> {
+          String commitTime = FSUtils.getCommitTime(fileSizePair.getKey());
+          return HoodieTimeline.compareTimestamps(commitTime, HoodieTimeline.LESSER_THAN_OR_EQUALS, createInstantTime);
+        }).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
         // Record which saves files within a partition
         return HoodieMetadataPayload.createPartitionFilesRecord(
-            partitionInfo.getRelativePath().isEmpty() ? NON_PARTITIONED_NAME : partitionInfo.getRelativePath(), Option.of(partitionInfo.getFileNameToSizeMap()), Option.empty());
+            partitionInfo.getRelativePath().isEmpty() ? NON_PARTITIONED_NAME : partitionInfo.getRelativePath(), Option.of(validFileNameToSizeMap), Option.empty());
       });
       partitionRecords = partitionRecords.union(fileListRecords);
     }

hudi-client/hudi-spark-client/src/test/java/org/apache/hudi/client/functional/TestHoodieMetadataBootstrap.java

@@ -22,6 +22,7 @@ import org.apache.hudi.common.config.HoodieMetadataConfig;
 import org.apache.hudi.common.model.HoodieCommitMetadata;
 import org.apache.hudi.common.model.HoodieTableType;
 import org.apache.hudi.common.table.view.FileSystemViewStorageConfig;
+import org.apache.hudi.common.testutils.FileCreateUtils;
 import org.apache.hudi.common.testutils.HoodieMetadataTestTable;
 import org.apache.hudi.common.testutils.HoodieTestDataGenerator;
 import org.apache.hudi.common.testutils.HoodieTestTable;
@@ -36,7 +37,10 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.EnumSource;
 
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.Arrays;
+import java.util.UUID;
 
 import static java.util.Arrays.asList;
 import static java.util.Collections.emptyList;
@@ -76,6 +80,36 @@ public class TestHoodieMetadataBootstrap extends TestHoodieMetadataBase {
     bootstrapAndVerify();
   }
 
+  /**
+   * Validate that bootstrap considers only files part of completed commit and ignore any extra files.
+   */
+  @Test
+  public void testMetadataBootstrapWithExtraFiles() throws Exception {
+    HoodieTableType tableType = COPY_ON_WRITE;
+    init(tableType, false);
+    doPreBootstrapWriteOperation(testTable, INSERT, "0000001");
+    doPreBootstrapWriteOperation(testTable, "0000002");
+    doPreBootstrapClean(testTable, "0000003", Arrays.asList("0000001"));
+    doPreBootstrapWriteOperation(testTable, "0000005");
+    // add few extra files to table. bootstrap should include those files.
+    String fileName = UUID.randomUUID().toString();
+    Path baseFilePath = FileCreateUtils.getBaseFilePath(basePath, "p1", "0000006", fileName);
+    FileCreateUtils.createBaseFile(basePath, "p1", "0000006", fileName, 100);
+
+    writeConfig = getWriteConfig(true, true);
+    initWriteConfigAndMetatableWriter(writeConfig, true);
+    syncTableMetadata(writeConfig);
+
+    // remove those files from table. and then validate.
+    Files.delete(baseFilePath);
+
+    // validate
+    validateMetadata(testTable);
+    // after bootstrap do two writes and validate its still functional.
+    doWriteInsertAndUpsert(testTable);
+    validateMetadata(testTable);
+  }
+
   @ParameterizedTest
   @EnumSource(HoodieTableType.class)
   public void testMetadataBootstrapInsertUpsertRollback(HoodieTableType tableType) throws Exception {

hudi-common/src/test/java/org/apache/hudi/common/testutils/FileCreateUtils.java

@@ -304,6 +304,11 @@ public class FileCreateUtils {
     Files.setLastModifiedTime(baseFilePath, FileTime.fromMillis(lastModificationTimeMilli));
   }
 
+  public static Path getBaseFilePath(String basePath, String partitionPath, String instantTime, String fileId) {
+    Path parentPath = Paths.get(basePath, partitionPath);
+    return parentPath.resolve(baseFileName(instantTime, fileId));
+  }
+
   public static void createLogFile(String basePath, String partitionPath, String instantTime, String fileId, int version)
       throws Exception {
     createLogFile(basePath, partitionPath, instantTime, fileId, version, 0);