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/*
* Copyright (c) 2016 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
*
* Licensed 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 com.uber.hoodie;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import com.google.common.collect.Iterables;
import com.uber.hoodie.common.HoodieCleanStat;
import com.uber.hoodie.common.HoodieClientTestUtils;
import com.uber.hoodie.common.HoodieTestDataGenerator;
import com.uber.hoodie.common.model.HoodieCleaningPolicy;
import com.uber.hoodie.common.model.HoodieCommitMetadata;
import com.uber.hoodie.common.model.HoodieDataFile;
import com.uber.hoodie.common.model.HoodieFileGroup;
import com.uber.hoodie.common.model.HoodieKey;
import com.uber.hoodie.common.model.HoodiePartitionMetadata;
import com.uber.hoodie.common.model.HoodieRecord;
import com.uber.hoodie.common.model.HoodieTableType;
import com.uber.hoodie.common.model.HoodieTestUtils;
import com.uber.hoodie.common.model.HoodieWriteStat;
import com.uber.hoodie.common.table.HoodieTableMetaClient;
import com.uber.hoodie.common.table.HoodieTimeline;
import com.uber.hoodie.common.table.TableFileSystemView;
import com.uber.hoodie.common.table.timeline.HoodieActiveTimeline;
import com.uber.hoodie.common.table.timeline.HoodieInstant;
import com.uber.hoodie.common.util.FSUtils;
import com.uber.hoodie.common.util.ParquetUtils;
import com.uber.hoodie.config.HoodieCompactionConfig;
import com.uber.hoodie.config.HoodieIndexConfig;
import com.uber.hoodie.config.HoodieStorageConfig;
import com.uber.hoodie.config.HoodieWriteConfig;
import com.uber.hoodie.exception.HoodieRollbackException;
import com.uber.hoodie.index.HoodieIndex;
import com.uber.hoodie.table.HoodieCopyOnWriteTable;
import com.uber.hoodie.table.HoodieTable;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
import org.apache.avro.generic.GenericRecord;
import org.apache.commons.io.IOUtils;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.spark.api.java.JavaRDD;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.scheduler.SparkListener;
import org.apache.spark.scheduler.SparkListenerTaskEnd;
import org.apache.spark.sql.SQLContext;
import org.apache.spark.util.AccumulatorV2;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import scala.Option;
import scala.collection.Iterator;
public class TestHoodieClientOnCopyOnWriteStorage implements Serializable {
private transient JavaSparkContext jsc = null;
private transient SQLContext sqlContext;
private transient FileSystem fs;
private String basePath = null;
private transient HoodieTestDataGenerator dataGen = null;
private String[] partitionPaths = {"2016/01/01", "2016/02/02", "2016/06/02"};
@Before
public void init() throws IOException {
// Initialize a local spark env
jsc = new JavaSparkContext(HoodieClientTestUtils.getSparkConfForTest("TestHoodieClient"));
//SQLContext stuff
sqlContext = new SQLContext(jsc);
// Create a temp folder as the base path
TemporaryFolder folder = new TemporaryFolder();
folder.create();
basePath = folder.getRoot().getAbsolutePath();
fs = FSUtils.getFs(basePath.toString(), jsc.hadoopConfiguration());
HoodieTestUtils.init(fs, basePath);
dataGen = new HoodieTestDataGenerator();
}
private HoodieWriteConfig getConfig() {
return getConfigBuilder().build();
}
private HoodieWriteConfig.Builder getConfigBuilder() {
return HoodieWriteConfig.newBuilder().withPath(basePath)
.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
.withCompactionConfig(
HoodieCompactionConfig.newBuilder().compactionSmallFileSize(1024 * 1024).build())
.withStorageConfig(HoodieStorageConfig.newBuilder().limitFileSize(1024 * 1024).build())
.forTable("test-trip-table").withIndexConfig(
HoodieIndexConfig.newBuilder().withIndexType(HoodieIndex.IndexType.BLOOM).build());
}
private void assertNoWriteErrors(List<WriteStatus> statuses) {
// Verify there are no errors
for (WriteStatus status : statuses) {
assertFalse("Errors found in write of " + status.getFileId(), status.hasErrors());
}
}
private void assertPartitionMetadata(String[] partitionPaths, FileSystem fs) throws IOException {
for (String partitionPath : partitionPaths) {
assertTrue(
HoodiePartitionMetadata.hasPartitionMetadata(fs, new Path(basePath, partitionPath)));
HoodiePartitionMetadata pmeta = new HoodiePartitionMetadata(fs,
new Path(basePath, partitionPath));
pmeta.readFromFS();
assertEquals(3, pmeta.getPartitionDepth());
}
}
private void checkTaggedRecords(List<HoodieRecord> taggedRecords, String commitTime) {
for (HoodieRecord rec : taggedRecords) {
assertTrue("Record " + rec + " found with no location.", rec.isCurrentLocationKnown());
assertEquals(
"All records should have commit time " + commitTime + ", since updates were made",
rec.getCurrentLocation().getCommitTime(), commitTime);
}
}
@Test
public void testFilterExist() throws Exception {
HoodieWriteConfig config = getConfig();
HoodieWriteClient writeClient = new HoodieWriteClient(jsc, config);
String newCommitTime = writeClient.startCommit();
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 100);
JavaRDD<HoodieRecord> recordsRDD = jsc.parallelize(records, 1);
HoodieReadClient readClient = new HoodieReadClient(jsc, config.getBasePath());
JavaRDD<HoodieRecord> filteredRDD = readClient.filterExists(recordsRDD);
// Should not find any files
assertTrue(filteredRDD.collect().size() == 100);
JavaRDD<HoodieRecord> smallRecordsRDD = jsc.parallelize(records.subList(0, 75), 1);
// We create three parquet file, each having one record. (two different partitions)
List<WriteStatus> statuses = writeClient.bulkInsert(smallRecordsRDD, newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
readClient = new HoodieReadClient(jsc, config.getBasePath());
filteredRDD = readClient.filterExists(recordsRDD);
List<HoodieRecord> result = filteredRDD.collect();
// Check results
assertTrue(result.size() == 25);
}
@Test
public void testAutoCommit() throws Exception {
// Set autoCommit false
HoodieWriteConfig cfg = getConfigBuilder().withAutoCommit(false).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
String newCommitTime = "001";
client.startCommitWithTime(newCommitTime);
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 200);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 1);
JavaRDD<WriteStatus> result = client.bulkInsertPreppedRecords(writeRecords, newCommitTime,
Option.empty());
assertFalse("If Autocommit is false, then commit should not be made automatically",
HoodieTestUtils.doesCommitExist(basePath, newCommitTime));
assertTrue("Commit should succeed", client.commit(newCommitTime, result));
assertTrue("After explicit commit, commit file should be created",
HoodieTestUtils.doesCommitExist(basePath, newCommitTime));
newCommitTime = "002";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, 100);
JavaRDD<HoodieRecord> updateRecords = jsc.parallelize(records, 1);
result = client.upsert(updateRecords, newCommitTime);
assertFalse("If Autocommit is false, then commit should not be made automatically",
HoodieTestUtils.doesCommitExist(basePath, newCommitTime));
assertTrue("Commit should succeed", client.commit(newCommitTime, result));
assertTrue("After explicit commit, commit file should be created",
HoodieTestUtils.doesCommitExist(basePath, newCommitTime));
}
@Test
public void testUpserts() throws Exception {
testUpsertsInternal(getConfig());
}
private void testUpsertsInternal(HoodieWriteConfig hoodieWriteConfig) throws Exception {
HoodieWriteClient client = new HoodieWriteClient(jsc, hoodieWriteConfig);
/**
* Write 1 (only inserts)
*/
String newCommitTime = "001";
client.startCommitWithTime(newCommitTime);
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 200);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 1);
List<WriteStatus> statuses = client.upsertPreppedRecords(writeRecords, newCommitTime).collect();
assertNoWriteErrors(statuses);
// check the partition metadata is written out
assertPartitionMetadata(HoodieTestDataGenerator.DEFAULT_PARTITION_PATHS, fs);
// verify that there is a commit
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTimeline timeline = new HoodieActiveTimeline(metaClient)
.getCommitTimeline();
assertEquals("Expecting a single commit.", 1,
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants());
assertEquals("Latest commit should be 001", newCommitTime,
timeline.lastInstant().get().getTimestamp());
assertEquals("Must contain 200 records",
records.size(),
HoodieClientTestUtils.readCommit(basePath, sqlContext, timeline, newCommitTime).count());
// Should have 100 records in table (check using Index), all in locations marked at commit
HoodieReadClient readClient = new HoodieReadClient(jsc, hoodieWriteConfig.getBasePath());
List<HoodieRecord> taggedRecords = readClient.tagLocation(jsc.parallelize(records, 1))
.collect();
checkTaggedRecords(taggedRecords, "001");
/**
* Write 2 (updates)
*/
newCommitTime = "004";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, 100);
LinkedHashMap<HoodieKey, HoodieRecord> recordsMap = new LinkedHashMap<>();
for (HoodieRecord rec : records) {
if (!recordsMap.containsKey(rec.getKey())) {
recordsMap.put(rec.getKey(), rec);
}
}
List<HoodieRecord> dedupedRecords = new ArrayList<>(recordsMap.values());
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
// verify there are now 2 commits
timeline = new HoodieActiveTimeline(metaClient).getCommitTimeline();
assertEquals("Expecting two commits.",
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants(), 2);
assertEquals("Latest commit should be 004", timeline.lastInstant().get().getTimestamp(),
newCommitTime);
// Index should be able to locate all updates in correct locations.
readClient = new HoodieReadClient(jsc, hoodieWriteConfig.getBasePath());
taggedRecords = readClient.tagLocation(jsc.parallelize(dedupedRecords, 1)).collect();
checkTaggedRecords(taggedRecords, "004");
// Check the entire dataset has 100 records still
String[] fullPartitionPaths = new String[dataGen.getPartitionPaths().length];
for (int i = 0; i < fullPartitionPaths.length; i++) {
fullPartitionPaths[i] = String.format("%s/%s/*", basePath, dataGen.getPartitionPaths()[i]);
}
assertEquals("Must contain 200 records",
200,
HoodieClientTestUtils.read(basePath, sqlContext, fs, fullPartitionPaths).count());
// Check that the incremental consumption from time 000
assertEquals("Incremental consumption from time 002, should give all records in commit 004",
HoodieClientTestUtils.readCommit(basePath, sqlContext, timeline, newCommitTime).count(),
HoodieClientTestUtils.readSince(basePath, sqlContext, timeline, "002").count());
assertEquals("Incremental consumption from time 001, should give all records in commit 004",
HoodieClientTestUtils.readCommit(basePath, sqlContext, timeline, newCommitTime).count(),
HoodieClientTestUtils.readSince(basePath, sqlContext, timeline, "001").count());
}
@Test
public void testUpsertsWithFinalizeWrite() throws Exception {
HoodieWriteConfig hoodieWriteConfig = getConfigBuilder()
.withUseTempFolderCopyOnWriteForCreate(true)
.withUseTempFolderCopyOnWriteForMerge(true)
.build();
testUpsertsInternal(hoodieWriteConfig);
}
@Test
public void testDeletes() throws Exception {
HoodieWriteConfig cfg = getConfig();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieIndex index = HoodieIndex.createIndex(cfg, jsc);
/**
* Write 1 (inserts and deletes)
* Write actual 200 insert records and ignore 100 delete records
*/
String newCommitTime = "001";
client.startCommitWithTime(newCommitTime);
List<HoodieRecord> fewRecordsForInsert = dataGen.generateInserts(newCommitTime, 200);
List<HoodieRecord> fewRecordsForDelete = dataGen.generateDeletes(newCommitTime, 100);
List<HoodieRecord> records = new ArrayList(fewRecordsForInsert);
records.addAll(fewRecordsForDelete);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 1);
List<WriteStatus> statuses = client.upsert(writeRecords, newCommitTime).collect();
assertNoWriteErrors(statuses);
// verify that there is a commit
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTimeline timeline = new HoodieActiveTimeline(metaClient)
.getCommitTimeline();
assertEquals("Expecting a single commit.", 1,
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants());
assertEquals("Latest commit should be 001", newCommitTime,
timeline.lastInstant().get().getTimestamp());
assertEquals("Must contain 200 records", fewRecordsForInsert.size(),
HoodieClientTestUtils.readCommit(basePath, sqlContext, timeline, newCommitTime).count());
// Should have 100 records in table (check using Index), all in locations marked at commit
HoodieTable table = HoodieTable
.getHoodieTable(metaClient, getConfig());
List<HoodieRecord> taggedRecords = index
.tagLocation(jsc.parallelize(fewRecordsForInsert, 1), table).collect();
checkTaggedRecords(taggedRecords, "001");
/**
* Write 2 (deletes+writes)
*/
newCommitTime = "004";
client.startCommitWithTime(newCommitTime);
fewRecordsForDelete = records.subList(0, 50);
List<HoodieRecord> fewRecordsForUpdate = records.subList(50, 100);
records = dataGen.generateDeletesFromExistingRecords(fewRecordsForDelete);
records.addAll(fewRecordsForUpdate);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
// verify there are now 2 commits
timeline = new HoodieActiveTimeline(metaClient).getCommitTimeline();
assertEquals("Expecting two commits.",
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants(), 2);
assertEquals("Latest commit should be 004", timeline.lastInstant().get().getTimestamp(),
newCommitTime);
// Check the entire dataset has 150 records(200-50) still
String[] fullPartitionPaths = new String[dataGen.getPartitionPaths().length];
for (int i = 0; i < fullPartitionPaths.length; i++) {
fullPartitionPaths[i] = String.format("%s/%s/*", basePath, dataGen.getPartitionPaths()[i]);
}
assertEquals("Must contain 150 records", 150,
HoodieClientTestUtils.read(basePath, sqlContext, fs, fullPartitionPaths).count());
// Check that the incremental consumption from time 000
assertEquals("Incremental consumption from latest commit, should give 50 updated records",
50,
HoodieClientTestUtils.readCommit(basePath, sqlContext, timeline, newCommitTime).count());
assertEquals("Incremental consumption from time 001, should give 50 updated records",
50,
HoodieClientTestUtils.readSince(basePath, sqlContext, timeline, "001").count());
assertEquals("Incremental consumption from time 000, should give 150",
150,
HoodieClientTestUtils.readSince(basePath, sqlContext, timeline, "000").count());
}
@Test
public void testCreateSavepoint() throws Exception {
HoodieWriteConfig cfg = getConfigBuilder().withCompactionConfig(
HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS).retainCommits(1)
.build()).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieTestDataGenerator
.writePartitionMetadata(fs, HoodieTestDataGenerator.DEFAULT_PARTITION_PATHS, basePath);
/**
* Write 1 (only inserts)
*/
String newCommitTime = "001";
client.startCommitWithTime(newCommitTime);
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 200);
List<WriteStatus> statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime)
.collect();
assertNoWriteErrors(statuses);
/**
* Write 2 (updates)
*/
newCommitTime = "002";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
client.savepoint("hoodie-unit-test", "test");
try {
client.rollback(newCommitTime);
fail("Rollback of a savepoint was allowed " + newCommitTime);
} catch (HoodieRollbackException e) {
// this is good
}
/**
* Write 3 (updates)
*/
newCommitTime = "003";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
/**
* Write 4 (updates)
*/
newCommitTime = "004";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
List<String> partitionPaths = FSUtils
.getAllPartitionPaths(fs, cfg.getBasePath(), getConfig().shouldAssumeDatePartitioning());
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTable table = HoodieTable
.getHoodieTable(metaClient, getConfig());
final TableFileSystemView.ReadOptimizedView view = table.getROFileSystemView();
List<HoodieDataFile> dataFiles = partitionPaths.stream().flatMap(s -> {
return view.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("002"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 002 should not be cleaned", 3, dataFiles.size());
// Delete savepoint
assertFalse(table.getCompletedSavepointTimeline().empty());
client.deleteSavepoint(
table.getCompletedSavepointTimeline().getInstants().findFirst().get().getTimestamp());
// rollback and reupsert 004
client.rollback(newCommitTime);
client.startCommitWithTime(newCommitTime);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(), basePath);
table = HoodieTable.getHoodieTable(metaClient, getConfig());
final TableFileSystemView.ReadOptimizedView view1 = table.getROFileSystemView();
dataFiles = partitionPaths.stream().flatMap(s -> {
return view1.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("002"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 002 should be cleaned now", 0, dataFiles.size());
}
@Test
public void testRollbackToSavepoint() throws Exception {
HoodieWriteConfig cfg = getConfigBuilder().withCompactionConfig(
HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS).retainCommits(1)
.build()).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieTestDataGenerator
.writePartitionMetadata(fs, HoodieTestDataGenerator.DEFAULT_PARTITION_PATHS, basePath);
/**
* Write 1 (only inserts)
*/
String newCommitTime = "001";
client.startCommitWithTime(newCommitTime);
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 200);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 1);
List<WriteStatus> statuses = client.upsert(writeRecords, newCommitTime).collect();
assertNoWriteErrors(statuses);
/**
* Write 2 (updates)
*/
newCommitTime = "002";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
client.savepoint("hoodie-unit-test", "test");
/**
* Write 3 (updates)
*/
newCommitTime = "003";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
List<String> partitionPaths = FSUtils
.getAllPartitionPaths(fs, cfg.getBasePath(), getConfig().shouldAssumeDatePartitioning());
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTable table = HoodieTable.getHoodieTable(metaClient, getConfig());
final TableFileSystemView.ReadOptimizedView view1 = table.getROFileSystemView();
List<HoodieDataFile> dataFiles = partitionPaths.stream().flatMap(s -> {
return view1.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("003"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 003 should be present", 3, dataFiles.size());
/**
* Write 4 (updates)
*/
newCommitTime = "004";
client.startCommitWithTime(newCommitTime);
records = dataGen.generateUpdates(newCommitTime, records);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(), basePath);
table = HoodieTable.getHoodieTable(metaClient, getConfig());
final TableFileSystemView.ReadOptimizedView view2 = table.getROFileSystemView();
dataFiles = partitionPaths.stream().flatMap(s -> {
return view2.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("004"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 004 should be present", 3, dataFiles.size());
// rolling back to a non existent savepoint must not succeed
try {
client.rollbackToSavepoint("001");
fail("Rolling back to non-existent savepoint should not be allowed");
} catch (HoodieRollbackException e) {
// this is good
}
// rollback to savepoint 002
HoodieInstant savepoint =
table.getCompletedSavepointTimeline().getInstants().findFirst().get();
client.rollbackToSavepoint(savepoint.getTimestamp());
metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(), basePath);
table = HoodieTable.getHoodieTable(metaClient, getConfig());
final TableFileSystemView.ReadOptimizedView view3 = table.getROFileSystemView();
dataFiles = partitionPaths.stream().flatMap(s -> {
return view3.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("002"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 002 be available", 3, dataFiles.size());
dataFiles = partitionPaths.stream().flatMap(s -> {
return view3.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("003"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 003 should be rolled back", 0, dataFiles.size());
dataFiles = partitionPaths.stream().flatMap(s -> {
return view3.getAllDataFiles(s).filter(f -> f.getCommitTime().equals("004"));
}).collect(Collectors.toList());
assertEquals("The data files for commit 004 should be rolled back", 0, dataFiles.size());
}
@Test
public void testInsertAndCleanByVersions() throws Exception {
int maxVersions = 2; // keep upto 2 versions for each file
HoodieWriteConfig cfg = getConfigBuilder().withCompactionConfig(
HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_FILE_VERSIONS)
.retainFileVersions(maxVersions).build()).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieIndex index = HoodieIndex.createIndex(cfg, jsc);
/**
* do a big insert
* (this is basically same as insert part of upsert, just adding it here so we can
* catch breakages in insert(), if the implementation diverges.)
*/
String newCommitTime = client.startCommit();
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 500);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 5);
List<WriteStatus> statuses = client.insert(writeRecords, newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
// verify that there is a commit
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTimeline timeline = new HoodieActiveTimeline(metaClient)
.getCommitTimeline();
assertEquals("Expecting a single commit.", 1,
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants());
// Should have 100 records in table (check using Index), all in locations marked at commit
HoodieTable table = HoodieTable.getHoodieTable(metaClient, getConfig());
assertFalse(table.getCompletedCommitTimeline().empty());
String commitTime =
table.getCompletedCommitTimeline().getInstants().findFirst().get().getTimestamp();
assertFalse(table.getCompletedCleanTimeline().empty());
assertEquals("The clean instant should be the same as the commit instant", commitTime,
table.getCompletedCleanTimeline().getInstants().findFirst().get().getTimestamp());
List<HoodieRecord> taggedRecords = index.tagLocation(jsc.parallelize(records, 1), table)
.collect();
checkTaggedRecords(taggedRecords, newCommitTime);
// Keep doing some writes and clean inline. Make sure we have expected number of files remaining.
for (int writeCnt = 2; writeCnt < 10; writeCnt++) {
Thread.sleep(1100); // make sure commits are unique
newCommitTime = client.startCommit();
records = dataGen.generateUpdates(newCommitTime, 100);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
HoodieTableMetaClient metadata = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
table = HoodieTable.getHoodieTable(metadata, getConfig());
timeline = table.getCommitsTimeline();
TableFileSystemView fsView = table.getFileSystemView();
// Need to ensure the following
for (String partitionPath : dataGen.getPartitionPaths()) {
// compute all the versions of all files, from time 0
HashMap<String, TreeSet<String>> fileIdToVersions = new HashMap<>();
for (HoodieInstant entry : timeline.getInstants().collect(Collectors.toList())) {
HoodieCommitMetadata commitMetadata = HoodieCommitMetadata
.fromBytes(timeline.getInstantDetails(entry).get());
for (HoodieWriteStat wstat : commitMetadata.getWriteStats(partitionPath)) {
if (!fileIdToVersions.containsKey(wstat.getFileId())) {
fileIdToVersions.put(wstat.getFileId(), new TreeSet<>());
}
fileIdToVersions.get(wstat.getFileId())
.add(FSUtils.getCommitTime(new Path(wstat.getPath()).getName()));
}
}
List<HoodieFileGroup> fileGroups = fsView.getAllFileGroups(partitionPath)
.collect(Collectors.toList());
for (HoodieFileGroup fileGroup : fileGroups) {
// No file has no more than max versions
String fileId = fileGroup.getId();
List<HoodieDataFile> dataFiles = fileGroup.getAllDataFiles().collect(Collectors.toList());
assertTrue("fileId " + fileId + " has more than " + maxVersions + " versions",
dataFiles.size() <= maxVersions);
// Each file, has the latest N versions (i.e cleaning gets rid of older versions)
List<String> commitedVersions = new ArrayList<>(fileIdToVersions.get(fileId));
for (int i = 0; i < dataFiles.size(); i++) {
assertEquals(
"File " + fileId + " does not have latest versions on commits" + commitedVersions,
Iterables.get(dataFiles, i).getCommitTime(),
commitedVersions.get(commitedVersions.size() - 1 - i));
}
}
}
}
}
@Test
public void testInsertAndCleanByCommits() throws Exception {
int maxCommits = 3; // keep upto 3 commits from the past
HoodieWriteConfig cfg = getConfigBuilder().withCompactionConfig(
HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_FILE_VERSIONS)
.retainCommits(maxCommits).build()).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieIndex index = HoodieIndex.createIndex(cfg, jsc);
/**
* do a big insert
* (this is basically same as insert part of upsert, just adding it here so we can
* catch breakages in insert(), if the implementation diverges.)
*/
String newCommitTime = client.startCommit();
List<HoodieRecord> records = dataGen.generateInserts(newCommitTime, 500);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 5);
List<WriteStatus> statuses = client.insertPreppedRecords(writeRecords, newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
// verify that there is a commit
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTimeline timeline = new HoodieActiveTimeline(metaClient)
.getCommitTimeline();
assertEquals("Expecting a single commit.", 1,
timeline.findInstantsAfter("000", Integer.MAX_VALUE).countInstants());
// Should have 100 records in table (check using Index), all in locations marked at commit
HoodieTable table = HoodieTable
.getHoodieTable(metaClient, getConfig());
assertFalse(table.getCompletedCommitTimeline().empty());
String commitTime =
table.getCompletedCommitTimeline().getInstants().findFirst().get().getTimestamp();
assertFalse(table.getCompletedCleanTimeline().empty());
assertEquals("The clean instant should be the same as the commit instant", commitTime,
table.getCompletedCleanTimeline().getInstants().findFirst().get().getTimestamp());
List<HoodieRecord> taggedRecords = index.tagLocation(jsc.parallelize(records, 1), table)
.collect();
checkTaggedRecords(taggedRecords, newCommitTime);
// Keep doing some writes and clean inline. Make sure we have expected number of files remaining.
for (int writeCnt = 2; writeCnt < 10; writeCnt++) {
Thread.sleep(1100); // make sure commits are unique
newCommitTime = client.startCommit();
records = dataGen.generateUpdates(newCommitTime, 100);
statuses = client.upsert(jsc.parallelize(records, 1), newCommitTime).collect();
// Verify there are no errors
assertNoWriteErrors(statuses);
HoodieTableMetaClient metadata = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTable table1 = HoodieTable.getHoodieTable(metadata, cfg);
HoodieTimeline activeTimeline = table1.getCompletedCommitTimeline();
Optional<HoodieInstant>
earliestRetainedCommit = activeTimeline.nthFromLastInstant(maxCommits - 1);
Set<HoodieInstant> acceptableCommits =
activeTimeline.getInstants().collect(Collectors.toSet());
if (earliestRetainedCommit.isPresent()) {
acceptableCommits.removeAll(
activeTimeline.findInstantsInRange("000", earliestRetainedCommit.get().getTimestamp())
.getInstants()
.collect(Collectors.toSet()));
acceptableCommits.add(earliestRetainedCommit.get());
}
TableFileSystemView fsView = table1.getFileSystemView();
// Need to ensure the following
for (String partitionPath : dataGen.getPartitionPaths()) {
List<HoodieFileGroup> fileGroups = fsView.getAllFileGroups(partitionPath)
.collect(Collectors.toList());
for (HoodieFileGroup fileGroup : fileGroups) {
Set<String> commitTimes = new HashSet<>();
fileGroup.getAllDataFiles().forEach(value -> {
System.out.println("Data File - " + value);
commitTimes.add(value.getCommitTime());
});
assertEquals("Only contain acceptable versions of file should be present",
acceptableCommits.stream().map(HoodieInstant::getTimestamp)
.collect(Collectors.toSet()), commitTimes);
}
}
}
}
@Test
public void testRollbackCommit() throws Exception {
// Let's create some commit files and parquet files
String commitTime1 = "20160501010101";
String commitTime2 = "20160502020601";
String commitTime3 = "20160506030611";
new File(basePath + "/.hoodie").mkdirs();
HoodieTestDataGenerator
.writePartitionMetadata(fs, new String[]{"2016/05/01", "2016/05/02", "2016/05/06"},
basePath);
// Only first two have commit files
HoodieTestUtils.createCommitFiles(basePath, commitTime1, commitTime2);
// Third one has a .inflight intermediate commit file
HoodieTestUtils.createInflightCommitFiles(basePath, commitTime3);
// Make commit1
String file11 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime1, "id11");
String file12 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime1, "id12");
String file13 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime1, "id13");
// Make commit2
String file21 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime2, "id21");
String file22 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime2, "id22");
String file23 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime2, "id23");
// Make commit3
String file31 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime3, "id31");
String file32 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime3, "id32");
String file33 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime3, "id33");
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withIndexConfig(
HoodieIndexConfig.newBuilder().withIndexType(HoodieIndex.IndexType.INMEMORY)
.build()).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, config, false);
// Rollback commit 1 (this should fail, since commit2 is still around)
try {
client.rollback(commitTime1);
assertTrue("Should have thrown an exception ", false);
} catch (HoodieRollbackException hrbe) {
// should get here
}
// Rollback commit3
client.rollback(commitTime3);
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime3));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime3, file31) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime3, file32) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime3, file33));
// simulate partial failure, where .inflight was not deleted, but data files were.
HoodieTestUtils.createInflightCommitFiles(basePath, commitTime3);
client.rollback(commitTime3);
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime3));
// Rollback commit2
client.rollback(commitTime2);
assertFalse(HoodieTestUtils.doesCommitExist(basePath, commitTime2));
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime2));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime2, file21) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime2, file22) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime2, file23));
// simulate partial failure, where only .commit => .inflight renaming succeeded, leaving a
// .inflight commit and a bunch of data files around.
HoodieTestUtils.createInflightCommitFiles(basePath, commitTime2);
file21 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime2, "id21");
file22 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime2, "id22");
file23 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime2, "id23");
client.rollback(commitTime2);
assertFalse(HoodieTestUtils.doesCommitExist(basePath, commitTime2));
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime2));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime2, file21) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime2, file22) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime2, file23));
// Let's rollback commit1, Check results
client.rollback(commitTime1);
assertFalse(HoodieTestUtils.doesCommitExist(basePath, commitTime1));
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime1));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime1, file11) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime1, file12) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime1, file13));
}
@Test
public void testAutoRollbackCommit() throws Exception {
// Let's create some commit files and parquet files
String commitTime1 = "20160501010101";
String commitTime2 = "20160502020601";
String commitTime3 = "20160506030611";
new File(basePath + "/.hoodie").mkdirs();
HoodieTestDataGenerator
.writePartitionMetadata(fs, new String[]{"2016/05/01", "2016/05/02", "2016/05/06"},
basePath);
// One good commit
HoodieTestUtils.createCommitFiles(basePath, commitTime1);
// Two inflight commits
HoodieTestUtils.createInflightCommitFiles(basePath, commitTime2, commitTime3);
// Make commit1
String file11 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime1, "id11");
String file12 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime1, "id12");
String file13 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime1, "id13");
// Make commit2
String file21 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime2, "id21");
String file22 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime2, "id22");
String file23 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime2, "id23");
// Make commit3
String file31 = HoodieTestUtils.createDataFile(basePath, "2016/05/01", commitTime3, "id31");
String file32 = HoodieTestUtils.createDataFile(basePath, "2016/05/02", commitTime3, "id32");
String file33 = HoodieTestUtils.createDataFile(basePath, "2016/05/06", commitTime3, "id33");
// Turn auto rollback off
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withIndexConfig(
HoodieIndexConfig.newBuilder().withIndexType(HoodieIndex.IndexType.INMEMORY)
.build()).build();
new HoodieWriteClient(jsc, config, false);
// Check results, nothing changed
assertTrue(HoodieTestUtils.doesCommitExist(basePath, commitTime1));
assertTrue(HoodieTestUtils.doesInflightExist(basePath, commitTime2));
assertTrue(HoodieTestUtils.doesInflightExist(basePath, commitTime3));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime3, file31) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime3, file32) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime3, file33));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime2, file21) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime2, file22) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime2, file23));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime1, file11) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime1, file12) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime1, file13));
// Turn auto rollback on
new HoodieWriteClient(jsc, config, true);
assertTrue(HoodieTestUtils.doesCommitExist(basePath, commitTime1));
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime2));
assertFalse(HoodieTestUtils.doesInflightExist(basePath, commitTime3));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime3, file31) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime3, file32) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime3, file33));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime2, file21) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime2, file22) ||
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime2, file23));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, "2016/05/01", commitTime1, file11) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/02", commitTime1, file12) &&
HoodieTestUtils.doesDataFileExist(basePath, "2016/05/06", commitTime1, file13));
}
private HoodieWriteConfig getSmallInsertWriteConfig(int insertSplitSize) {
HoodieWriteConfig.Builder builder = getConfigBuilder();
return builder.withCompactionConfig(
HoodieCompactionConfig.newBuilder()
.compactionSmallFileSize(HoodieTestDataGenerator.SIZE_PER_RECORD * 15)
.insertSplitSize(insertSplitSize).build()) // tolerate upto 15 records
.withStorageConfig(HoodieStorageConfig.newBuilder()
.limitFileSize(HoodieTestDataGenerator.SIZE_PER_RECORD * 20)
.build())
.build();
}
@Test
public void testSmallInsertHandlingForUpserts() throws Exception {
final String TEST_PARTITION_PATH = "2016/09/26";
final int INSERT_SPLIT_LIMIT = 100;
// setup the small file handling params
HoodieWriteConfig config = getSmallInsertWriteConfig(
INSERT_SPLIT_LIMIT); // hold upto 200 records max
dataGen = new HoodieTestDataGenerator(new String[]{TEST_PARTITION_PATH});
HoodieWriteClient client = new HoodieWriteClient(jsc, config);
// Inserts => will write file1
String commitTime1 = "001";
client.startCommitWithTime(commitTime1);
List<HoodieRecord> inserts1 = dataGen
.generateInserts(commitTime1, INSERT_SPLIT_LIMIT); // this writes ~500kb
Set<String> keys1 = HoodieClientTestUtils.getRecordKeys(inserts1);
JavaRDD<HoodieRecord> insertRecordsRDD1 = jsc.parallelize(inserts1, 1);
List<WriteStatus> statuses = client.upsert(insertRecordsRDD1, commitTime1).collect();
assertNoWriteErrors(statuses);
assertEquals("Just 1 file needs to be added.", 1, statuses.size());
String file1 = statuses.get(0).getFileId();
assertEquals("file should contain 100 records",
ParquetUtils.readRowKeysFromParquet(jsc.hadoopConfiguration(), new Path(basePath,
TEST_PARTITION_PATH + "/" + FSUtils.makeDataFileName(commitTime1, 0, file1))).size(),
100);
// Update + Inserts such that they just expand file1
String commitTime2 = "002";
client.startCommitWithTime(commitTime2);
List<HoodieRecord> inserts2 = dataGen.generateInserts(commitTime2, 40);
Set<String> keys2 = HoodieClientTestUtils.getRecordKeys(inserts2);
List<HoodieRecord> insertsAndUpdates2 = new ArrayList<>();
insertsAndUpdates2.addAll(inserts2);
insertsAndUpdates2.addAll(dataGen.generateUpdates(commitTime2, inserts1));
JavaRDD<HoodieRecord> insertAndUpdatesRDD2 = jsc.parallelize(insertsAndUpdates2, 1);
statuses = client.upsert(insertAndUpdatesRDD2, commitTime2).collect();
assertNoWriteErrors(statuses);
assertEquals("Just 1 file needs to be updated.", 1, statuses.size());
assertEquals("Existing file should be expanded", file1, statuses.get(0).getFileId());
assertEquals("Existing file should be expanded", commitTime1,
statuses.get(0).getStat().getPrevCommit());
Path newFile = new Path(basePath,
TEST_PARTITION_PATH + "/" + FSUtils.makeDataFileName(commitTime2, 0, file1));
assertEquals("file should contain 140 records",
ParquetUtils.readRowKeysFromParquet(jsc.hadoopConfiguration(), newFile).size(), 140);
List<GenericRecord> records = ParquetUtils.readAvroRecords(jsc.hadoopConfiguration(), newFile);
for (GenericRecord record : records) {
String recordKey = record.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
assertEquals("only expect commit2", commitTime2,
record.get(HoodieRecord.COMMIT_TIME_METADATA_FIELD).toString());
assertTrue("key expected to be part of commit2",
keys2.contains(recordKey) || keys1.contains(recordKey));
}
// update + inserts such that file1 is updated and expanded, a new file2 is created.
String commitTime3 = "003";
client.startCommitWithTime(commitTime3);
List<HoodieRecord> insertsAndUpdates3 = dataGen.generateInserts(commitTime3, 200);
Set<String> keys3 = HoodieClientTestUtils.getRecordKeys(insertsAndUpdates3);
List<HoodieRecord> updates3 = dataGen.generateUpdates(commitTime3, inserts2);
insertsAndUpdates3.addAll(updates3);
JavaRDD<HoodieRecord> insertAndUpdatesRDD3 = jsc.parallelize(insertsAndUpdates3, 1);
statuses = client.upsert(insertAndUpdatesRDD3, commitTime3).collect();
assertNoWriteErrors(statuses);
assertEquals("2 files needs to be committed.", 2, statuses.size());
HoodieTableMetaClient metadata = new HoodieTableMetaClient(jsc.hadoopConfiguration(), basePath);
HoodieTable table = HoodieTable.getHoodieTable(metadata, config);
TableFileSystemView.ReadOptimizedView fileSystemView = table.getROFileSystemView();
List<HoodieDataFile> files = fileSystemView
.getLatestDataFilesBeforeOrOn(TEST_PARTITION_PATH, commitTime3).collect(
Collectors.toList());
int numTotalInsertsInCommit3 = 0;
for (HoodieDataFile file : files) {
if (file.getFileName().contains(file1)) {
assertEquals("Existing file should be expanded", commitTime3, file.getCommitTime());
records = ParquetUtils.readAvroRecords(jsc.hadoopConfiguration(), new Path(file.getPath()));
for (GenericRecord record : records) {
String recordKey = record.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
String recordCommitTime = record.get(HoodieRecord.COMMIT_TIME_METADATA_FIELD).toString();
if (recordCommitTime.equals(commitTime3)) {
if (keys2.contains(recordKey)) {
assertEquals("only expect commit3", commitTime3, recordCommitTime);
keys2.remove(recordKey);
} else {
numTotalInsertsInCommit3++;
}
}
}
assertEquals("All keys added in commit 2 must be updated in commit3 correctly", 0,
keys2.size());
} else {
assertEquals("New file must be written for commit 3", commitTime3, file.getCommitTime());
records = ParquetUtils.readAvroRecords(jsc.hadoopConfiguration(), new Path(file.getPath()));
for (GenericRecord record : records) {
String recordKey = record.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
assertEquals("only expect commit3", commitTime3,
record.get(HoodieRecord.COMMIT_TIME_METADATA_FIELD).toString());
assertTrue("key expected to be part of commit3", keys3.contains(recordKey));
}
numTotalInsertsInCommit3 += records.size();
}
}
assertEquals("Total inserts in commit3 must add up", keys3.size(), numTotalInsertsInCommit3);
}
@Test
public void testSmallInsertHandlingForInserts() throws Exception {
final String TEST_PARTITION_PATH = "2016/09/26";
final int INSERT_SPLIT_LIMIT = 100;
// setup the small file handling params
HoodieWriteConfig config = getSmallInsertWriteConfig(
INSERT_SPLIT_LIMIT); // hold upto 200 records max
dataGen = new HoodieTestDataGenerator(new String[]{TEST_PARTITION_PATH});
HoodieWriteClient client = new HoodieWriteClient(jsc, config);
// Inserts => will write file1
String commitTime1 = "001";
client.startCommitWithTime(commitTime1);
List<HoodieRecord> inserts1 = dataGen
.generateInserts(commitTime1, INSERT_SPLIT_LIMIT); // this writes ~500kb
Set<String> keys1 = HoodieClientTestUtils.getRecordKeys(inserts1);
JavaRDD<HoodieRecord> insertRecordsRDD1 = jsc.parallelize(inserts1, 1);
List<WriteStatus> statuses = client.insert(insertRecordsRDD1, commitTime1).collect();
assertNoWriteErrors(statuses);
assertPartitionMetadata(new String[]{TEST_PARTITION_PATH}, fs);
assertEquals("Just 1 file needs to be added.", 1, statuses.size());
String file1 = statuses.get(0).getFileId();
assertEquals("file should contain 100 records",
ParquetUtils.readRowKeysFromParquet(jsc.hadoopConfiguration(), new Path(basePath,
TEST_PARTITION_PATH + "/" + FSUtils.makeDataFileName(commitTime1, 0, file1))).size(),
100);
// Second, set of Inserts should just expand file1
String commitTime2 = "002";
client.startCommitWithTime(commitTime2);
List<HoodieRecord> inserts2 = dataGen.generateInserts(commitTime2, 40);
Set<String> keys2 = HoodieClientTestUtils.getRecordKeys(inserts2);
JavaRDD<HoodieRecord> insertRecordsRDD2 = jsc.parallelize(inserts2, 1);
statuses = client.insert(insertRecordsRDD2, commitTime2).collect();
assertNoWriteErrors(statuses);
assertEquals("Just 1 file needs to be updated.", 1, statuses.size());
assertEquals("Existing file should be expanded", file1, statuses.get(0).getFileId());
assertEquals("Existing file should be expanded", commitTime1,
statuses.get(0).getStat().getPrevCommit());
Path newFile = new Path(basePath,
TEST_PARTITION_PATH + "/" + FSUtils.makeDataFileName(commitTime2, 0, file1));
assertEquals("file should contain 140 records",
ParquetUtils.readRowKeysFromParquet(jsc.hadoopConfiguration(), newFile).size(), 140);
List<GenericRecord> records = ParquetUtils.readAvroRecords(jsc.hadoopConfiguration(), newFile);
for (GenericRecord record : records) {
String recordKey = record.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
String recCommitTime = record.get(HoodieRecord.COMMIT_TIME_METADATA_FIELD).toString();
assertTrue("Record expected to be part of commit 1 or commit2",
commitTime1.equals(recCommitTime) || commitTime2.equals(recCommitTime));
assertTrue("key expected to be part of commit 1 or commit2",
keys2.contains(recordKey) || keys1.contains(recordKey));
}
// Lots of inserts such that file1 is updated and expanded, a new file2 is created.
String commitTime3 = "003";
client.startCommitWithTime(commitTime3);
List<HoodieRecord> insert3 = dataGen.generateInserts(commitTime3, 200);
JavaRDD<HoodieRecord> insertRecordsRDD3 = jsc.parallelize(insert3, 1);
statuses = client.insert(insertRecordsRDD3, commitTime3).collect();
assertNoWriteErrors(statuses);
assertEquals("2 files needs to be committed.", 2, statuses.size());
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTable table = HoodieTable.getHoodieTable(metaClient, config);
List<HoodieDataFile> files =
table.getROFileSystemView().getLatestDataFilesBeforeOrOn(TEST_PARTITION_PATH, commitTime3)
.collect(Collectors.toList());
assertEquals("Total of 2 valid data files", 2, files.size());
int totalInserts = 0;
for (HoodieDataFile file : files) {
assertEquals("All files must be at commit 3", commitTime3, file.getCommitTime());
records = ParquetUtils.readAvroRecords(jsc.hadoopConfiguration(), new Path(file.getPath()));
totalInserts += records.size();
}
assertEquals("Total number of records must add up", totalInserts,
inserts1.size() + inserts2.size() + insert3.size());
}
@Test
public void testKeepLatestFileVersions() throws IOException {
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withAssumeDatePartitioning(true)
.withCompactionConfig(HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_FILE_VERSIONS)
.retainFileVersions(1).build()).build();
// make 1 commit, with 1 file per partition
HoodieTestUtils.createCommitFiles(basePath, "000");
String file1P0C0 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "000");
String file1P1C0 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[1], "000");
HoodieTable table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
List<HoodieCleanStat> hoodieCleanStatsOne = table.clean(jsc);
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsOne, partitionPaths[0]).getSuccessDeleteFiles().size());
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsOne, partitionPaths[1]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "000", file1P1C0));
// make next commit, with 1 insert & 1 update per partition
HoodieTestUtils.createCommitFiles(basePath, "001");
table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), basePath, true),
config);
String file2P0C1 = HoodieTestUtils
.createNewDataFile(basePath, partitionPaths[0], "001"); // insert
String file2P1C1 = HoodieTestUtils
.createNewDataFile(basePath, partitionPaths[1], "001"); // insert
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "001", file1P0C0); // update
HoodieTestUtils.createDataFile(basePath, partitionPaths[1], "001", file1P1C0); // update
List<HoodieCleanStat> hoodieCleanStatsTwo = table.clean(jsc);
assertEquals("Must clean 1 file", 1,
getCleanStat(hoodieCleanStatsTwo, partitionPaths[0]).getSuccessDeleteFiles().size());
assertEquals("Must clean 1 file", 1,
getCleanStat(hoodieCleanStatsTwo, partitionPaths[1]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file2P0C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "001", file2P1C1));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "000", file1P1C0));
// make next commit, with 2 updates to existing files, and 1 insert
HoodieTestUtils.createCommitFiles(basePath, "002");
table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "002", file1P0C0); // update
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "002", file2P0C1); // update
String file3P0C2 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "002");
List<HoodieCleanStat> hoodieCleanStatsThree = table.clean(jsc);
assertEquals("Must clean two files", 2,
getCleanStat(hoodieCleanStatsThree, partitionPaths[0]).getSuccessDeleteFiles().size());
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file1P0C0));
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file2P0C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "002", file3P0C2));
// No cleaning on partially written file, with no commit.
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "003", file3P0C2); // update
List<HoodieCleanStat> hoodieCleanStatsFour = table.clean(jsc);
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsFour, partitionPaths[0]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "002", file3P0C2));
}
@Test
public void testKeepLatestFileVersionsMOR() throws IOException {
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withAssumeDatePartitioning(true)
.withCompactionConfig(HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_FILE_VERSIONS)
.retainFileVersions(1).build()).build();
HoodieTableMetaClient metaClient = HoodieTestUtils
.initTableType(fs, basePath, HoodieTableType.MERGE_ON_READ);
// Make 3 files, one base file and 2 log files associated with base file
String file1P0 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "000");
String file2P0L0 = HoodieTestUtils
.createNewLogFile(fs, basePath, partitionPaths[0], "000", file1P0, Optional.empty());
String file2P0L1 = HoodieTestUtils
.createNewLogFile(fs, basePath, partitionPaths[0], "000", file1P0, Optional.of(2));
// make 1 compaction commit
HoodieTestUtils.createCompactionCommitFiles(fs, basePath, "000");
// Make 4 files, one base file and 3 log files associated with base file
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "001", file1P0);
file2P0L0 = HoodieTestUtils
.createNewLogFile(fs, basePath, partitionPaths[0], "001", file1P0, Optional.empty());
file2P0L0 = HoodieTestUtils
.createNewLogFile(fs, basePath, partitionPaths[0], "001", file1P0, Optional.of(2));
file2P0L0 = HoodieTestUtils
.createNewLogFile(fs, basePath, partitionPaths[0], "001", file1P0, Optional.of(3));
// make 1 compaction commit
HoodieTestUtils.createCompactionCommitFiles(fs, basePath, "001");
HoodieTable table = HoodieTable.getHoodieTable(metaClient, config);
List<HoodieCleanStat> hoodieCleanStats = table.clean(jsc);
assertEquals("Must clean three files, one parquet and 2 log files", 3,
getCleanStat(hoodieCleanStats, partitionPaths[0]).getSuccessDeleteFiles().size());
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0));
assertFalse(HoodieTestUtils
.doesLogFileExist(basePath, partitionPaths[0], "000", file2P0L0, Optional.empty()));
assertFalse(HoodieTestUtils
.doesLogFileExist(basePath, partitionPaths[0], "000", file2P0L0, Optional.of(2)));
}
@Test
public void testKeepLatestCommits() throws IOException {
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withAssumeDatePartitioning(true)
.withCompactionConfig(HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS)
.retainCommits(2).build()).build();
// make 1 commit, with 1 file per partition
HoodieTestUtils.createCommitFiles(basePath, "000");
String file1P0C0 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "000");
String file1P1C0 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[1], "000");
HoodieTable table = HoodieTable.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true), config);
List<HoodieCleanStat> hoodieCleanStatsOne = table.clean(jsc);
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsOne, partitionPaths[0]).getSuccessDeleteFiles().size());
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsOne, partitionPaths[1]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "000", file1P1C0));
// make next commit, with 1 insert & 1 update per partition
HoodieTestUtils.createCommitFiles(basePath, "001");
table = HoodieTable.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true), config);
String file2P0C1 = HoodieTestUtils
.createNewDataFile(basePath, partitionPaths[0], "001"); // insert
String file2P1C1 = HoodieTestUtils
.createNewDataFile(basePath, partitionPaths[1], "001"); // insert
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "001", file1P0C0); // update
HoodieTestUtils.createDataFile(basePath, partitionPaths[1], "001", file1P1C0); // update
List<HoodieCleanStat> hoodieCleanStatsTwo = table.clean(jsc);
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsTwo, partitionPaths[0]).getSuccessDeleteFiles().size());
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsTwo, partitionPaths[1]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file2P0C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "001", file2P1C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[1], "000", file1P1C0));
// make next commit, with 2 updates to existing files, and 1 insert
HoodieTestUtils.createCommitFiles(basePath, "002");
table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "002", file1P0C0); // update
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "002", file2P0C1); // update
String file3P0C2 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "002");
List<HoodieCleanStat> hoodieCleanStatsThree = table.clean(jsc);
assertEquals(
"Must not clean any file. We have to keep 1 version before the latest commit time to keep",
0, getCleanStat(hoodieCleanStatsThree, partitionPaths[0]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
// make next commit, with 2 updates to existing files, and 1 insert
HoodieTestUtils.createCommitFiles(basePath, "003");
table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "003", file1P0C0); // update
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "003", file2P0C1); // update
String file4P0C3 = HoodieTestUtils.createNewDataFile(basePath, partitionPaths[0], "003");
List<HoodieCleanStat> hoodieCleanStatsFour = table.clean(jsc);
assertEquals(
"Must not clean one old file", 1,
getCleanStat(hoodieCleanStatsFour, partitionPaths[0]).getSuccessDeleteFiles().size());
assertFalse(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "000", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "002", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file2P0C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "002", file2P0C1));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "002", file3P0C2));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "003", file4P0C3));
// No cleaning on partially written file, with no commit.
HoodieTestUtils.createDataFile(basePath, partitionPaths[0], "004", file3P0C2); // update
List<HoodieCleanStat> hoodieCleanStatsFive = table.clean(jsc);
assertEquals("Must not clean any files", 0,
getCleanStat(hoodieCleanStatsFive, partitionPaths[0]).getSuccessDeleteFiles().size());
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file1P0C0));
assertTrue(HoodieTestUtils.doesDataFileExist(basePath, partitionPaths[0], "001", file2P0C1));
}
@Test
public void testCleaningWithZeroPartitonPaths() throws IOException {
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withAssumeDatePartitioning(true)
.withCompactionConfig(HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS)
.retainCommits(2).build()).build();
// Make a commit, although there are no partitionPaths.
// Example use-case of this is when a client wants to create a table
// with just some commit metadata, but no data/partitionPaths.
HoodieTestUtils.createCommitFiles(basePath, "000");
HoodieTable table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
List<HoodieCleanStat> hoodieCleanStatsOne = table.clean(jsc);
assertTrue("HoodieCleanStats should be empty for a table with empty partitionPaths",
hoodieCleanStatsOne.isEmpty());
}
@Test
public void testCleaningSkewedPartitons() throws IOException {
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withAssumeDatePartitioning(true)
.withCompactionConfig(HoodieCompactionConfig.newBuilder()
.withCleanerPolicy(HoodieCleaningPolicy.KEEP_LATEST_COMMITS)
.retainCommits(2).build()).build();
Map<Long, Long> stageOneShuffleReadTaskRecordsCountMap = new HashMap<>();
// Since clean involves repartition in order to uniformly distribute data,
// we can inspect the number of records read by various tasks in stage 1.
// There should not be skew in the number of records read in the task.
// SparkListener below listens to the stage end events and captures number of
// records read by various tasks in stage-1.
jsc.sc().addSparkListener(new SparkListener() {
@Override
public void onTaskEnd(SparkListenerTaskEnd taskEnd) {
Iterator<AccumulatorV2<?, ?>> iterator = taskEnd.taskMetrics().accumulators()
.iterator();
while (iterator.hasNext()) {
AccumulatorV2 accumulator = iterator.next();
if (taskEnd.stageId() == 1 &&
accumulator.isRegistered() &&
accumulator.name().isDefined() &&
accumulator.name().get().equals("internal.metrics.shuffle.read.recordsRead")) {
stageOneShuffleReadTaskRecordsCountMap
.put(taskEnd.taskInfo().taskId(), (Long) accumulator.value());
}
}
}
});
// make 1 commit, with 100 files in one partition and 10 in other two
HoodieTestUtils.createCommitFiles(basePath, "000");
List<String> filesP0C0 = createFilesInPartition(partitionPaths[0], "000", 100);
List<String> filesP1C0 = createFilesInPartition(partitionPaths[1], "000", 10);
List<String> filesP2C0 = createFilesInPartition(partitionPaths[2], "000", 10);
HoodieTestUtils.createCommitFiles(basePath, "001");
updateAllFilesInPartition(filesP0C0, partitionPaths[0], "001");
updateAllFilesInPartition(filesP1C0, partitionPaths[1], "001");
updateAllFilesInPartition(filesP2C0, partitionPaths[2], "001");
HoodieTestUtils.createCommitFiles(basePath, "002");
updateAllFilesInPartition(filesP0C0, partitionPaths[0], "002");
updateAllFilesInPartition(filesP1C0, partitionPaths[1], "002");
updateAllFilesInPartition(filesP2C0, partitionPaths[2], "002");
HoodieTestUtils.createCommitFiles(basePath, "003");
updateAllFilesInPartition(filesP0C0, partitionPaths[0], "003");
updateAllFilesInPartition(filesP1C0, partitionPaths[1], "003");
updateAllFilesInPartition(filesP2C0, partitionPaths[2], "003");
HoodieTable table = HoodieTable
.getHoodieTable(
new HoodieTableMetaClient(jsc.hadoopConfiguration(), config.getBasePath(), true),
config);
List<HoodieCleanStat> hoodieCleanStats = table.clean(jsc);
assertEquals(100,
getCleanStat(hoodieCleanStats, partitionPaths[0]).getSuccessDeleteFiles().size());
assertEquals(10,
getCleanStat(hoodieCleanStats, partitionPaths[1]).getSuccessDeleteFiles().size());
assertEquals(10,
getCleanStat(hoodieCleanStats, partitionPaths[2]).getSuccessDeleteFiles().size());
// 3 tasks are expected since the number of partitions is 3
assertEquals(3, stageOneShuffleReadTaskRecordsCountMap.keySet().size());
// Sum of all records processed = total number of files to clean
assertEquals(120, stageOneShuffleReadTaskRecordsCountMap
.values().stream().reduce((a, b) -> a + b).get().intValue());
assertTrue("The skew in handling files to clean is not removed. "
+ "Each task should handle more records than the partitionPath with least files "
+ "and less records than the partitionPath with most files.",
stageOneShuffleReadTaskRecordsCountMap.values().stream().filter(a -> a > 10 && a < 100)
.count() == 3);
}
@Test
public void testCleanTemporaryDataFiles() throws IOException {
HoodieTestUtils.createCommitFiles(basePath, "000");
List<String> tempFiles = createTempFiles("000", 10);
assertEquals("Some temp files are created.",10, tempFiles.size());
assertEquals("Some temp files are created.",tempFiles.size(), getTotalTempFiles());
HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withUseTempFolderCopyOnWriteForCreate(false)
.withUseTempFolderCopyOnWriteForMerge(false).build();
HoodieTable table = HoodieTable.getHoodieTable(new HoodieTableMetaClient(jsc.hadoopConfiguration(),
config.getBasePath(), true),
config);
table.rollback(jsc, Collections.emptyList());
assertEquals("Some temp files are created.",tempFiles.size(), getTotalTempFiles());
config = HoodieWriteConfig.newBuilder().withPath(basePath)
.withUseTempFolderCopyOnWriteForCreate(true)
.withUseTempFolderCopyOnWriteForMerge(false).build();
table = HoodieTable.getHoodieTable(new HoodieTableMetaClient(jsc.hadoopConfiguration(),
config.getBasePath(), true),
config);
table.rollback(jsc, Collections.emptyList());
assertEquals("All temp files are deleted.",0, getTotalTempFiles());
}
public void testCommitWritesRelativePaths() throws Exception {
HoodieWriteConfig cfg = getConfigBuilder().withAutoCommit(false).build();
HoodieWriteClient client = new HoodieWriteClient(jsc, cfg);
HoodieTableMetaClient metaClient = new HoodieTableMetaClient(jsc.hadoopConfiguration(),
basePath);
HoodieTable table = HoodieTable.getHoodieTable(metaClient, cfg);
String commitTime = "000";
client.startCommitWithTime(commitTime);
List<HoodieRecord> records = dataGen.generateInserts(commitTime, 200);
JavaRDD<HoodieRecord> writeRecords = jsc.parallelize(records, 1);
JavaRDD<WriteStatus> result = client.bulkInsert(writeRecords, commitTime);
assertTrue("Commit should succeed", client.commit(commitTime, result));
assertTrue("After explicit commit, commit file should be created",
HoodieTestUtils.doesCommitExist(basePath, commitTime));
// Get parquet file paths from commit metadata
String actionType = table.getCommitActionType();
HoodieInstant commitInstant =
new HoodieInstant(false, actionType, commitTime);
HoodieTimeline commitTimeline = table.getCommitTimeline().filterCompletedInstants();
HoodieCommitMetadata commitMetadata =
HoodieCommitMetadata.fromBytes(commitTimeline.getInstantDetails(commitInstant).get());
String basePath = table.getMetaClient().getBasePath();
Collection<String> commitPathNames = commitMetadata.getFileIdAndFullPaths(basePath).values();
// Read from commit file
String filename = HoodieTestUtils.getCommitFilePath(basePath, commitTime);
FileInputStream inputStream = new FileInputStream(filename);
String everything = IOUtils.toString(inputStream);
HoodieCommitMetadata metadata = HoodieCommitMetadata.fromJsonString(everything.toString());
HashMap<String, String> paths = metadata.getFileIdAndFullPaths(basePath);
inputStream.close();
// Compare values in both to make sure they are equal.
for (String pathName : paths.values()) {
assertTrue(commitPathNames.contains(pathName));
}
}
private HoodieCleanStat getCleanStat(List<HoodieCleanStat> hoodieCleanStatsTwo,
String partitionPath) {
return hoodieCleanStatsTwo.stream()
.filter(e -> e.getPartitionPath().equals(partitionPath))
.findFirst().get();
}
private void updateAllFilesInPartition(List<String> files, String partitionPath,
String commitTime) throws IOException {
for (String fileId : files) {
HoodieTestUtils.createDataFile(basePath, partitionPath, commitTime, fileId);
}
}
private List<String> createFilesInPartition(String partitionPath, String commitTime, int numFiles)
throws IOException {
List<String> files = new ArrayList<>();
for (int i = 0; i < numFiles; i++) {
files.add(HoodieTestUtils.createNewDataFile(basePath, partitionPath, commitTime));
}
return files;
}
private List<String> createTempFiles(String commitTime, int numFiles) throws IOException {
List<String> files = new ArrayList<>();
for (int i = 0; i < numFiles; i++) {
files.add(HoodieTestUtils.createNewDataFile(basePath, HoodieTableMetaClient.TEMPFOLDER_NAME, commitTime));
}
return files;
}
private int getTotalTempFiles() throws IOException {
return fs.listStatus(new Path(basePath, HoodieTableMetaClient.TEMPFOLDER_NAME)).length;
}
@After
public void clean() {
if (basePath != null) {
new File(basePath).delete();
}
if (jsc != null) {
jsc.stop();
}
}
}