Add example for partition data (#210)

* Add example for partition data Signed-off-by: wayblink <anyang.wang@zilliz.com> * Support restore meta only and restore index Signed-off-by: wayblink <anyang.wang@zilliz.com> --------- Signed-off-by: wayblink <anyang.wang@zilliz.com>
zilliztech · Oct 16, 2023 · 3089ba0 · 3089ba0
1 parent 724804b
commit 3089ba0
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Showing 12 changed files with 572 additions and 208 deletions.
diff --git a/cmd/restore.go b/cmd/restore.go
@@ -23,6 +23,8 @@ var (
 	renameCollectionNames      string
 	restoreDatabases           string
 	restoreDatabaseCollections string
+	restoreMetaOnly            bool
+	restoreIndex               bool
 )
 
 var restoreBackupCmd = &cobra.Command{
@@ -78,6 +80,8 @@ var restoreBackupCmd = &cobra.Command{
 			CollectionSuffix:  renameSuffix,
 			CollectionRenames: renameMap,
 			DbCollections:     utils.WrapDBCollections(restoreDatabaseCollections),
+			MetaOnly:          restoreMetaOnly,
+			RestoreIndex:      restoreIndex,
 		})
 
 		fmt.Println(resp.GetCode(), "\n", resp.GetMsg())
@@ -92,5 +96,8 @@ func init() {
 	restoreBackupCmd.Flags().StringVarP(&restoreDatabases, "databases", "d", "", "databases to restore, if not set, restore all databases")
 	restoreBackupCmd.Flags().StringVarP(&restoreDatabaseCollections, "database_collections", "a", "", "databases and collections to restore, json format: {\"db1\":[\"c1\", \"c2\"],\"db2\":[]}")
 
+	restoreBackupCmd.Flags().BoolVarP(&restoreMetaOnly, "meta_only", "", false, "if set true, will restore meta only")
+	restoreBackupCmd.Flags().BoolVarP(&restoreIndex, "restore_index", "", false, "if set true, will restore index")
+
 	rootCmd.AddCommand(restoreBackupCmd)
 }
diff --git a/core/backup_impl_restore_backup.go b/core/backup_impl_restore_backup.go
@@ -25,6 +25,8 @@ func (b *BackupContext) RestoreBackup(ctx context.Context, request *backuppb.Res
 	log.Info("receive RestoreBackupRequest",
 		zap.String("requestId", request.GetRequestId()),
 		zap.String("backupName", request.GetBackupName()),
+		zap.Bool("onlyMeta", request.GetMetaOnly()),
+		zap.Bool("restoreIndex", request.GetRestoreIndex()),
 		zap.Strings("collections", request.GetCollectionNames()),
 		zap.String("CollectionSuffix", request.GetCollectionSuffix()),
 		zap.Any("CollectionRenames", request.GetCollectionRenames()),
@@ -277,6 +279,8 @@ func (b *BackupContext) RestoreBackup(ctx context.Context, request *backuppb.Res
 			ToRestoreSize:         toRestoreSize,
 			RestoredSize:          0,
 			Progress:              0,
+			MetaOnly:              request.GetMetaOnly(),
+			RestoreIndex:          request.GetRestoreIndex(),
 		}
 		restoreCollectionTasks = append(restoreCollectionTasks, restoreCollectionTask)
 		task.CollectionRestoreTasks = restoreCollectionTasks
@@ -424,6 +428,18 @@ func (b *BackupContext) executeRestoreCollectionTask(ctx context.Context, backup
 		zap.String("collectionName", targetCollectionName),
 		zap.Bool("hasPartitionKey", hasPartitionKey))
 
+	if task.GetRestoreIndex() {
+		indexes := task.GetCollBackup().GetIndexInfos()
+		for _, index := range indexes {
+			idx := entity.NewGenericIndex(index.GetIndexName(), entity.IndexType(index.GetIndexType()), index.GetFieldName(), index.GetParams())
+			err := b.getMilvusClient().CreateIndex(ctx, targetCollectionName, index.GetFieldName(), idx, true)
+			if err != nil {
+				log.Warn("Fail to restore index", zap.Error(err))
+				return task, err
+			}
+		}
+	}
+
 	tempDir := "restore-temp-" + parentTaskID + SEPERATOR
 	isSameBucket := b.milvusBucketName == backupBucketName
 	// clean the temporary file
@@ -491,31 +507,13 @@ func (b *BackupContext) executeRestoreCollectionTask(ctx context.Context, backup
 			return nil
 		}
 
-		groupIds := collectGroupIdsFromSegments(partitionBackup.GetSegmentBackups())
-		if len(groupIds) == 1 && groupIds[0] == 0 {
-			// backward compatible old backup without group id
-			files, err := b.getBackupPartitionPaths(ctx, backupBucketName, backupPath, partitionBackup)
-			if err != nil {
-				log.Error("fail to get partition backup binlog files",
-					zap.Error(err),
-					zap.String("backupCollectionName", task.GetCollBackup().GetCollectionName()),
-					zap.String("targetCollectionName", targetCollectionName),
-					zap.String("partition", partitionBackup.GetPartitionName()))
-				return task, err
-			}
-			err = copyAndBulkInsert(files)
-			if err != nil {
-				log.Error("fail to (copy and) bulkinsert data",
-					zap.Error(err),
-					zap.String("backupCollectionName", task.GetCollBackup().GetCollectionName()),
-					zap.String("targetCollectionName", targetCollectionName),
-					zap.String("partition", partitionBackup.GetPartitionName()))
-				return task, err
-			}
+		if task.GetMetaOnly() {
+			task.Progress = 100
 		} else {
-			// bulk insert by segment groups
-			for _, groupId := range groupIds {
-				files, err := b.getBackupPartitionPathsWithGroupID(ctx, backupBucketName, backupPath, partitionBackup, groupId)
+			groupIds := collectGroupIdsFromSegments(partitionBackup.GetSegmentBackups())
+			if len(groupIds) == 1 && groupIds[0] == 0 {
+				// backward compatible old backup without group id
+				files, err := b.getBackupPartitionPaths(ctx, backupBucketName, backupPath, partitionBackup)
 				if err != nil {
 					log.Error("fail to get partition backup binlog files",
 						zap.Error(err),
@@ -533,13 +531,35 @@ func (b *BackupContext) executeRestoreCollectionTask(ctx context.Context, backup
 						zap.String("partition", partitionBackup.GetPartitionName()))
 					return task, err
 				}
+			} else {
+				// bulk insert by segment groups
+				for _, groupId := range groupIds {
+					files, err := b.getBackupPartitionPathsWithGroupID(ctx, backupBucketName, backupPath, partitionBackup, groupId)
+					if err != nil {
+						log.Error("fail to get partition backup binlog files",
+							zap.Error(err),
+							zap.String("backupCollectionName", task.GetCollBackup().GetCollectionName()),
+							zap.String("targetCollectionName", targetCollectionName),
+							zap.String("partition", partitionBackup.GetPartitionName()))
+						return task, err
+					}
+					err = copyAndBulkInsert(files)
+					if err != nil {
+						log.Error("fail to (copy and) bulkinsert data",
+							zap.Error(err),
+							zap.String("backupCollectionName", task.GetCollBackup().GetCollectionName()),
+							zap.String("targetCollectionName", targetCollectionName),
+							zap.String("partition", partitionBackup.GetPartitionName()))
+						return task, err
+					}
+				}
+			}
+			task.RestoredSize = task.RestoredSize + partitionBackup.GetSize()
+			if task.ToRestoreSize == 0 {
+				task.Progress = 100
+			} else {
+				task.Progress = int32(100 * task.RestoredSize / task.ToRestoreSize)
 			}
-		}
-		task.RestoredSize = task.RestoredSize + partitionBackup.GetSize()
-		if task.ToRestoreSize == 0 {
-			task.Progress = 100
-		} else {
-			task.Progress = int32(100 * task.RestoredSize / task.ToRestoreSize)
 		}
 	}
 

diff --git a/core/proto/backup.proto b/core/proto/backup.proto
@@ -251,6 +251,10 @@ message RestoreBackupRequest {
   string path = 8;
   // database and collections to restore. A json string. To support database. 2023.7.7
   google.protobuf.Value db_collections = 9;
+  // if true only restore meta
+  bool metaOnly = 10;
+  // if true restore index info
+  bool restoreIndex = 11; 
 }
 
 message RestorePartitionTask {
@@ -276,6 +280,10 @@ message RestoreCollectionTask {
   int64 to_restore_size = 10;
   int32 progress = 11;
   string target_db_name = 12;
+  // if true only restore meta
+  bool metaOnly = 13;
+  // if true restore index info
+  bool restoreIndex = 14;
 }
 
 message RestoreBackupTask {