the-other-tim-brown commented on code in PR #8044: URL: https://github.com/apache/hudi/pull/8044#discussion_r1117958567
########## hudi-utilities/src/test/java/org/apache/hudi/utilities/TestMorRestoreTool.java: ########## @@ -0,0 +1,204 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.hudi.utilities; + +import org.apache.hudi.client.SparkRDDWriteClient; +import org.apache.hudi.client.WriteStatus; +import org.apache.hudi.common.config.HoodieMetadataConfig; +import org.apache.hudi.common.model.FileSlice; +import org.apache.hudi.common.model.HoodieFileFormat; +import org.apache.hudi.common.model.HoodieLogFile; +import org.apache.hudi.common.model.HoodieRecord; +import org.apache.hudi.common.model.HoodieTableType; +import org.apache.hudi.common.table.HoodieTableConfig; +import org.apache.hudi.common.table.HoodieTableMetaClient; +import org.apache.hudi.common.table.timeline.HoodieActiveTimeline; +import org.apache.hudi.common.table.timeline.HoodieTimeline; +import org.apache.hudi.common.testutils.HoodieTestDataGenerator; +import org.apache.hudi.common.util.Option; +import org.apache.hudi.config.HoodieCompactionConfig; +import org.apache.hudi.config.HoodieWriteConfig; +import org.apache.hudi.table.HoodieSparkTable; +import org.apache.hudi.table.HoodieTable; +import org.apache.hudi.testutils.SparkClientFunctionalTestHarness; +import org.apache.hudi.testutils.providers.SparkProvider; + +import org.apache.spark.api.java.JavaRDD; +import org.junit.jupiter.api.AfterAll; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Properties; +import java.util.stream.Collectors; + +import static org.apache.hudi.testutils.Assertions.assertNoWriteErrors; +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class TestMorRestoreTool extends SparkClientFunctionalTestHarness implements SparkProvider { + + private static final HoodieTestDataGenerator DATA_GENERATOR = new HoodieTestDataGenerator(0L); + private HoodieTableMetaClient metaClient; + + @BeforeEach + public void init() throws IOException { + this.metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ); + } + + @AfterAll + public static void cleanup() { + DATA_GENERATOR.close(); + } + + @Test + public void testSimpleRestore() throws Exception { + HoodieFileFormat fileFormat = HoodieFileFormat.PARQUET; + + Properties properties = new Properties(); + properties.setProperty(HoodieTableConfig.BASE_FILE_FORMAT.key(), fileFormat.toString()); + HoodieTableMetaClient metaClient = getHoodieMetaClient(HoodieTableType.MERGE_ON_READ, properties); + + HoodieWriteConfig.Builder cfgBuilder = getConfigBuilder(true) + .withMetadataConfig(HoodieMetadataConfig.newBuilder().enable(false).build()) + .withCompactionConfig(HoodieCompactionConfig.newBuilder().withMaxNumDeltaCommitsBeforeCompaction(2).build()); + HoodieWriteConfig cfg = cfgBuilder.build(); + try (SparkRDDWriteClient client = getHoodieWriteClient(cfg)) { + /* + * Write 1 (only inserts) + */ + String newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + + List<HoodieRecord> records = DATA_GENERATOR.generateInserts(newCommitTime, 200); + upsertToMorTable(client, records, newCommitTime); + + /* + * Write 2 (updates) + */ + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 100); + upsertToMorTable(client, records, newCommitTime); + + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 50); + upsertToMorTable(client, records, newCommitTime); + String toRestoreCommit = newCommitTime; + + // collect file slices to validate later + HoodieTable table = HoodieSparkTable.create(cfg, context(), metaClient); + table.getHoodieView().sync(); + Map<String, List<HoodieLogFile>> beforeRestoreFileSlice = new HashMap<>(); + for (String partitionPath : DATA_GENERATOR.getPartitionPaths()) { + List<FileSlice> groupedLogFiles = + table.getSliceView().getLatestFileSlices(partitionPath).collect(Collectors.toList()); + beforeRestoreFileSlice.put(partitionPath, new ArrayList<>()); + for (FileSlice fileSlice : groupedLogFiles) { + beforeRestoreFileSlice.get(partitionPath).addAll(fileSlice.getLogFiles().collect(Collectors.toList())); + } + } + + String firstCompactionInstant = client.scheduleCompaction(Option.empty()).get().toString(); + client.compact(firstCompactionInstant); + + // verify that there is a commit + metaClient = HoodieTableMetaClient.reload(metaClient); + HoodieTimeline timeline = metaClient.getCommitTimeline().filterCompletedInstants(); + assertEquals(1, timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants(), + "Expecting a single commit."); + String latestCompactionCommitTime = timeline.lastInstant().get().getTimestamp(); + assertTrue(HoodieTimeline.compareTimestamps("000", HoodieTimeline.LESSER_THAN, latestCompactionCommitTime)); + /* + * Write 1 (only inserts) + */ + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 100); + upsertToMorTable(client, records, newCommitTime); + + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 50); + upsertToMorTable(client, records, newCommitTime); + + String secondCompactionInstant = client.scheduleCompaction(Option.empty()).get().toString(); + client.compact(secondCompactionInstant); + + // verify that there is a commit + metaClient = HoodieTableMetaClient.reload(metaClient); + timeline = metaClient.getCommitTimeline().filterCompletedInstants(); + assertEquals(2, timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants(), + "Expecting two commits."); + + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 100); + upsertToMorTable(client, records, newCommitTime); + + newCommitTime = HoodieActiveTimeline.createNewInstantTime(); + client.startCommitWithTime(newCommitTime); + records = DATA_GENERATOR.generateUpdates(newCommitTime, 50); + upsertToMorTable(client, records, newCommitTime); + + // trigger restore + MORRestoreTool.Config restoreToolConfig = new MORRestoreTool.Config(); + restoreToolConfig.basePath = cfg.getBasePath(); + restoreToolConfig.commitTime = toRestoreCommit; + restoreToolConfig.execute = true; + MORRestoreTool restoreTool = new MORRestoreTool(jsc(), restoreToolConfig); + restoreTool.run(); + + metaClient = HoodieTableMetaClient.reload(metaClient); + table = HoodieSparkTable.create(cfg, context(), metaClient); + table.getHoodieView().sync(); + Map<String, List<HoodieLogFile>> afterRestoreFileSlice = new HashMap<>(); + for (String partitionPath : DATA_GENERATOR.getPartitionPaths()) { + List<FileSlice> groupedLogFiles = + table.getSliceView().getLatestFileSlices(partitionPath).collect(Collectors.toList()); + afterRestoreFileSlice.put(partitionPath, new ArrayList<>()); + for (FileSlice fileSlice : groupedLogFiles) { + afterRestoreFileSlice.get(partitionPath).addAll(fileSlice.getLogFiles().collect(Collectors.toList())); + } + // validate + List<HoodieLogFile> beforeLogFiles = beforeRestoreFileSlice.get(partitionPath); + List<HoodieLogFile> afterLogFiles = afterRestoreFileSlice.get(partitionPath); + for (HoodieLogFile beforeLogFile : beforeLogFiles) { + assertTrue(afterLogFiles.contains(beforeLogFile)); + } + for (HoodieLogFile afterLogFile : afterLogFiles) { + assertTrue(beforeLogFiles.contains(afterLogFile)); + } + } + } + } Review Comment: Are there any assertions on the metadata table that also need to be added here to make sure that has the correct end result/state? -- This is an automated message from the Apache Git Service. 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