252 lines
12 KiB
Java
252 lines
12 KiB
Java
/*
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* Copyright (c) 2016 Uber Technologies, Inc. (hoodie-dev-group@uber.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.uber.hoodie.io;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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import com.google.common.collect.Sets;
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import com.uber.hoodie.avro.model.HoodieArchivedMetaEntry;
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import com.uber.hoodie.common.HoodieTestDataGenerator;
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import com.uber.hoodie.common.model.HoodieLogFile;
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import com.uber.hoodie.common.model.HoodieTestUtils;
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import com.uber.hoodie.common.table.HoodieTableMetaClient;
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import com.uber.hoodie.common.table.HoodieTimeline;
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import com.uber.hoodie.common.table.log.HoodieLogFormat;
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import com.uber.hoodie.common.table.log.block.HoodieAvroDataBlock;
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import com.uber.hoodie.common.table.timeline.HoodieInstant;
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import com.uber.hoodie.common.util.FSUtils;
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import com.uber.hoodie.config.HoodieCompactionConfig;
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import com.uber.hoodie.config.HoodieWriteConfig;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.stream.Collectors;
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import org.apache.avro.generic.GenericRecord;
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import org.apache.avro.generic.IndexedRecord;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.rules.TemporaryFolder;
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public class TestHoodieCommitArchiveLog {
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private String basePath;
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private FileSystem fs;
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@Before
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public void init() throws Exception {
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TemporaryFolder folder = new TemporaryFolder();
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folder.create();
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basePath = folder.getRoot().getAbsolutePath();
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fs = FSUtils.getFs(basePath, HoodieTestUtils.getDefaultHadoopConf());
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HoodieTestUtils.init(fs, basePath);
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}
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@Test
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public void testArchiveEmptyDataset() throws IOException {
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HoodieWriteConfig cfg = HoodieWriteConfig.newBuilder().withPath(basePath)
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.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
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.forTable("test-trip-table").build();
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HoodieCommitArchiveLog archiveLog = new HoodieCommitArchiveLog(cfg,
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new HoodieTableMetaClient(fs.getConf(), cfg.getBasePath(), true));
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boolean result = archiveLog.archiveIfRequired();
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assertTrue(result);
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}
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@Test
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public void testArchiveDatasetWithArchival() throws IOException {
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HoodieWriteConfig cfg = HoodieWriteConfig.newBuilder().withPath(basePath)
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.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
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.withCompactionConfig(HoodieCompactionConfig.newBuilder().archiveCommitsWith(2, 4).build())
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.forTable("test-trip-table").build();
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HoodieTestUtils.init(fs, basePath);
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HoodieTestDataGenerator.createCommitFile(basePath, "100");
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HoodieTestDataGenerator.createCommitFile(basePath, "101");
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HoodieTestDataGenerator.createCommitFile(basePath, "102");
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HoodieTestDataGenerator.createCommitFile(basePath, "103");
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HoodieTestDataGenerator.createCommitFile(basePath, "104");
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HoodieTestDataGenerator.createCommitFile(basePath, "105");
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HoodieTableMetaClient metaClient = new HoodieTableMetaClient(fs.getConf(), basePath);
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HoodieTimeline timeline =
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metaClient.getActiveTimeline().getCommitsTimeline().filterCompletedInstants();
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assertEquals("Loaded 6 commits and the count should match", 6, timeline.countInstants());
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HoodieTestUtils.createCleanFiles(basePath, "100");
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HoodieTestUtils.createInflightCleanFiles(basePath, "101");
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HoodieTestUtils.createCleanFiles(basePath, "101");
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HoodieTestUtils.createCleanFiles(basePath, "102");
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HoodieTestUtils.createCleanFiles(basePath, "103");
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HoodieTestUtils.createCleanFiles(basePath, "104");
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HoodieTestUtils.createCleanFiles(basePath, "105");
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HoodieTestUtils.createInflightCleanFiles(basePath, "106", "107");
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//reload the timeline and get all the commmits before archive
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timeline = metaClient.getActiveTimeline().reload().getAllCommitsTimeline()
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.filterCompletedInstants();
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List<HoodieInstant> originalCommits = timeline.getInstants().collect(Collectors.toList());
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assertEquals("Loaded 6 commits and the count should match", 12, timeline.countInstants());
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// verify in-flight instants before archive
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verifyInflightInstants(metaClient, 3);
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HoodieCommitArchiveLog archiveLog = new HoodieCommitArchiveLog(cfg,
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new HoodieTableMetaClient(fs.getConf(), basePath, true));
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assertTrue(archiveLog.archiveIfRequired());
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//reload the timeline and remove the remaining commits
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timeline = metaClient.getActiveTimeline().reload().getAllCommitsTimeline()
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.filterCompletedInstants();
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originalCommits.removeAll(timeline.getInstants().collect(Collectors.toList()));
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//read the file
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HoodieLogFormat.Reader reader = HoodieLogFormat
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.newReader(fs, new HoodieLogFile(new Path(basePath + "/.hoodie/.commits_.archive.1")),
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HoodieArchivedMetaEntry.getClassSchema(), false);
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int archivedRecordsCount = 0;
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List<IndexedRecord> readRecords = new ArrayList<>();
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//read the avro blocks and validate the number of records written in each avro block
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while (reader.hasNext()) {
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HoodieAvroDataBlock blk = (HoodieAvroDataBlock) reader.next();
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List<IndexedRecord> records = blk.getRecords();
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readRecords.addAll(records);
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assertEquals("Archived and read records for each block are same", 8, records.size());
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archivedRecordsCount += records.size();
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}
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assertEquals("Total archived records and total read records are the same count", 8,
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archivedRecordsCount);
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//make sure the archived commits are the same as the (originalcommits - commitsleft)
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List<String> readCommits = readRecords.stream().map(r -> (GenericRecord) r).map(r -> {
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return r.get("commitTime").toString();
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}).collect(Collectors.toList());
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Collections.sort(readCommits);
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assertEquals(
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"Read commits map should match the originalCommits - commitsLoadedFromArchival",
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originalCommits.stream().map(HoodieInstant::getTimestamp).collect(Collectors.toList()),
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readCommits);
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// verify in-flight instants after archive
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verifyInflightInstants(metaClient, 3);
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}
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@Test
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public void testArchiveDatasetWithNoArchival() throws IOException {
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HoodieWriteConfig cfg = HoodieWriteConfig.newBuilder().withPath(basePath)
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.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
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.forTable("test-trip-table").withCompactionConfig(
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HoodieCompactionConfig.newBuilder().archiveCommitsWith(2, 5).build()).build();
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HoodieTableMetaClient metaClient = new HoodieTableMetaClient(fs.getConf(), basePath);
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HoodieCommitArchiveLog archiveLog = new HoodieCommitArchiveLog(cfg, metaClient);
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HoodieTestDataGenerator.createCommitFile(basePath, "100");
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HoodieTestDataGenerator.createCommitFile(basePath, "101");
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HoodieTestDataGenerator.createCommitFile(basePath, "102");
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HoodieTestDataGenerator.createCommitFile(basePath, "103");
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HoodieTimeline timeline = metaClient.getActiveTimeline().getCommitsTimeline()
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.filterCompletedInstants();
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assertEquals("Loaded 4 commits and the count should match", 4, timeline.countInstants());
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boolean result = archiveLog.archiveIfRequired();
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assertTrue(result);
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timeline = metaClient.getActiveTimeline().reload().getCommitsTimeline()
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.filterCompletedInstants();
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assertEquals("Should not archive commits when maxCommitsToKeep is 5", 4,
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timeline.countInstants());
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}
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@Test
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public void testArchiveCommitSafety() throws IOException {
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HoodieWriteConfig cfg = HoodieWriteConfig.newBuilder().withPath(basePath)
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.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
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.forTable("test-trip-table").withCompactionConfig(
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HoodieCompactionConfig.newBuilder().archiveCommitsWith(2, 5).build()).build();
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HoodieTableMetaClient metaClient = new HoodieTableMetaClient(fs.getConf(), basePath);
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HoodieCommitArchiveLog archiveLog = new HoodieCommitArchiveLog(cfg, metaClient);
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HoodieTestDataGenerator.createCommitFile(basePath, "100");
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HoodieTestDataGenerator.createCommitFile(basePath, "101");
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HoodieTestDataGenerator.createCommitFile(basePath, "102");
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HoodieTestDataGenerator.createCommitFile(basePath, "103");
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HoodieTestDataGenerator.createCommitFile(basePath, "104");
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HoodieTestDataGenerator.createCommitFile(basePath, "105");
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HoodieTimeline timeline = metaClient.getActiveTimeline().getCommitsTimeline()
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.filterCompletedInstants();
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assertEquals("Loaded 6 commits and the count should match", 6, timeline.countInstants());
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boolean result = archiveLog.archiveIfRequired();
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assertTrue(result);
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timeline = metaClient.getActiveTimeline().reload().getCommitsTimeline()
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.filterCompletedInstants();
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assertTrue("Archived commits should always be safe",
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timeline.containsOrBeforeTimelineStarts("100"));
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assertTrue("Archived commits should always be safe",
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timeline.containsOrBeforeTimelineStarts("101"));
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assertTrue("Archived commits should always be safe",
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timeline.containsOrBeforeTimelineStarts("102"));
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assertTrue("Archived commits should always be safe",
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timeline.containsOrBeforeTimelineStarts("103"));
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}
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@Test
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public void testArchiveCommitSavepointNoHole() throws IOException {
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HoodieWriteConfig cfg = HoodieWriteConfig.newBuilder().withPath(basePath)
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.withSchema(HoodieTestDataGenerator.TRIP_EXAMPLE_SCHEMA).withParallelism(2, 2)
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.forTable("test-trip-table").withCompactionConfig(
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HoodieCompactionConfig.newBuilder().archiveCommitsWith(2, 5).build()).build();
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HoodieTableMetaClient metaClient = new HoodieTableMetaClient(fs.getConf(), basePath);
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HoodieCommitArchiveLog archiveLog = new HoodieCommitArchiveLog(cfg, metaClient);
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HoodieTestDataGenerator.createCommitFile(basePath, "100");
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HoodieTestDataGenerator.createCommitFile(basePath, "101");
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HoodieTestDataGenerator.createSavepointFile(basePath, "101");
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HoodieTestDataGenerator.createCommitFile(basePath, "102");
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HoodieTestDataGenerator.createCommitFile(basePath, "103");
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HoodieTestDataGenerator.createCommitFile(basePath, "104");
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HoodieTestDataGenerator.createCommitFile(basePath, "105");
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HoodieTimeline timeline = metaClient.getActiveTimeline().getCommitsTimeline()
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.filterCompletedInstants();
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assertEquals("Loaded 6 commits and the count should match", 6, timeline.countInstants());
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boolean result = archiveLog.archiveIfRequired();
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assertTrue(result);
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timeline = metaClient.getActiveTimeline().reload().getCommitsTimeline()
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.filterCompletedInstants();
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assertEquals(
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"Since we have a savepoint at 101, we should never archive any commit after 101 (we only archive 100)",
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5, timeline.countInstants());
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assertTrue("Archived commits should always be safe",
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timeline.containsInstant(new HoodieInstant(false, HoodieTimeline.COMMIT_ACTION, "101")));
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assertTrue("Archived commits should always be safe",
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timeline.containsInstant(new HoodieInstant(false, HoodieTimeline.COMMIT_ACTION, "102")));
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assertTrue("Archived commits should always be safe",
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timeline.containsInstant(new HoodieInstant(false, HoodieTimeline.COMMIT_ACTION, "103")));
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}
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private void verifyInflightInstants(HoodieTableMetaClient metaClient, int expectedTotalInstants) {
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HoodieTimeline timeline = metaClient.getActiveTimeline().reload()
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.getTimelineOfActions(Sets.newHashSet(HoodieTimeline.CLEAN_ACTION)).filterInflights();
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assertEquals("Loaded inflight clean actions and the count should match",
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expectedTotalInstants, timeline.countInstants());
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}
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}
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