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Posted to commits@hudi.apache.org by GitBox <gi...@apache.org> on 2020/04/22 13:24:27 UTC
[GitHub] [incubator-hudi] nsivabalan commented on a change in pull request #1469: [HUDI-686] Implement BloomIndexV2 that does not depend on memory caching
nsivabalan commented on a change in pull request #1469:
URL: https://github.com/apache/incubator-hudi/pull/1469#discussion_r412955401
##########
File path: hudi-client/src/main/java/org/apache/hudi/config/HoodieWriteConfig.java
##########
@@ -430,6 +430,14 @@ public boolean getBloomIndexUpdatePartitionPath() {
return Boolean.parseBoolean(props.getProperty(HoodieIndexConfig.BLOOM_INDEX_UPDATE_PARTITION_PATH));
}
+ public int getBloomIndexV2Parallelism() {
+ return Integer.parseInt(props.getProperty(HoodieIndexConfig.BLOOM_INDEX_V2_PARALLELISM_PROP));
+ }
+
+ public long getBloomIndexV2BufferSize() {
Review comment:
nit: MaxBufferSize() when you change the name as per previous comment
##########
File path: hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndexV2.java
##########
@@ -0,0 +1,321 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.index.bloom;
+
+import org.apache.hudi.client.WriteStatus;
+import org.apache.hudi.client.utils.LazyIterableIterator;
+import org.apache.hudi.common.bloom.BloomFilter;
+import org.apache.hudi.common.model.HoodieBaseFile;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.model.HoodieRecordLocation;
+import org.apache.hudi.common.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.DefaultSizeEstimator;
+import org.apache.hudi.common.util.HoodieTimer;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.common.util.collection.ExternalSpillableMap;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieIOException;
+import org.apache.hudi.index.HoodieIndex;
+import org.apache.hudi.io.HoodieBloomRangeInfoHandle;
+import org.apache.hudi.io.HoodieKeyLookupHandle;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaPairRDD;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * Simplified re-implementation of {@link HoodieBloomIndex} that does not rely on caching, or
+ * incurs the overhead of auto-tuning parallelism.
+ */
+public class HoodieBloomIndexV2<T extends HoodieRecordPayload> extends HoodieIndex<T> {
+
+ private static final Logger LOG = LogManager.getLogger(HoodieBloomIndexV2.class);
+
+ public HoodieBloomIndexV2(HoodieWriteConfig config) {
+ super(config);
+ }
+
+ @Override
+ public JavaRDD<HoodieRecord<T>> tagLocation(JavaRDD<HoodieRecord<T>> recordRDD,
+ JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return recordRDD
+ .sortBy((record) -> String.format("%s-%s", record.getPartitionPath(), record.getRecordKey()),
+ true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyRangeBloomChecker(itr, hoodieTable)).flatMap(List::iterator)
+ .sortBy(Pair::getRight, true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyKeyChecker(itr, hoodieTable))
+ .filter(Option::isPresent)
+ .map(Option::get);
+ }
+
+ @Override
+ public JavaPairRDD<HoodieKey, Option<Pair<String, String>>> fetchRecordLocation(JavaRDD<HoodieKey> hoodieKeys,
+ JavaSparkContext jsc, HoodieTable<T> hoodieTable) {
+ throw new UnsupportedOperationException("Not yet implemented");
+ }
+
+ @Override
+ public boolean rollbackCommit(String commitTime) {
+ // Nope, don't need to do anything.
+ return true;
+ }
+
+ /**
+ * This is not global, since we depend on the partitionPath to do the lookup.
+ */
+ @Override
+ public boolean isGlobal() {
+ return false;
+ }
+
+ /**
+ * No indexes into log files yet.
+ */
+ @Override
+ public boolean canIndexLogFiles() {
+ return false;
+ }
+
+ /**
+ * Bloom filters are stored, into the same data files.
+ */
+ @Override
+ public boolean isImplicitWithStorage() {
+ return true;
+ }
+
+ @Override
+ public JavaRDD<WriteStatus> updateLocation(JavaRDD<WriteStatus> writeStatusRDD, JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return writeStatusRDD;
+ }
+
+ /**
+ * Given an iterator of hoodie records, returns a pair of candidate HoodieRecord, FileID pairs.
Review comment:
can we have more descriptive docs to convey what exactly the class is doing. Something like "Given an iterator of hoodie records, returns a pair of candidate HoodieRecord, FileID pairs, by filtering for ranges and bloom for all records with all fileIds" sort of.
##########
File path: hudi-common/src/main/java/org/apache/hudi/common/util/HoodieTimer.java
##########
@@ -69,4 +76,13 @@ public long endTimer() {
}
return timeInfoDeque.pop().stop();
}
+
+ public long deltaTime() {
Review comment:
yeah, looks like HoodieTimer already gives you the delta. So, don't really understand why we need the changes.
T0: HoodieTimer timer = new HoodieTimer();
T1: timer.startTimer();
T4: timer.endTimer(); // T4 - T1
T4: timer.startTimer();
T6: timer.endTimer(); // T6 - T4
T8: timer.startTimer();
T9: timer.startTimer();
T12: timer.endTimer(); // T12 - T9
T15: timer.endTimer(); // T15 - t8
##########
File path: hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndexV2.java
##########
@@ -0,0 +1,321 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.index.bloom;
+
+import org.apache.hudi.client.WriteStatus;
+import org.apache.hudi.client.utils.LazyIterableIterator;
+import org.apache.hudi.common.bloom.BloomFilter;
+import org.apache.hudi.common.model.HoodieBaseFile;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.model.HoodieRecordLocation;
+import org.apache.hudi.common.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.DefaultSizeEstimator;
+import org.apache.hudi.common.util.HoodieTimer;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.common.util.collection.ExternalSpillableMap;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieIOException;
+import org.apache.hudi.index.HoodieIndex;
+import org.apache.hudi.io.HoodieBloomRangeInfoHandle;
+import org.apache.hudi.io.HoodieKeyLookupHandle;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaPairRDD;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * Simplified re-implementation of {@link HoodieBloomIndex} that does not rely on caching, or
+ * incurs the overhead of auto-tuning parallelism.
+ */
+public class HoodieBloomIndexV2<T extends HoodieRecordPayload> extends HoodieIndex<T> {
+
+ private static final Logger LOG = LogManager.getLogger(HoodieBloomIndexV2.class);
+
+ public HoodieBloomIndexV2(HoodieWriteConfig config) {
+ super(config);
+ }
+
+ @Override
+ public JavaRDD<HoodieRecord<T>> tagLocation(JavaRDD<HoodieRecord<T>> recordRDD,
+ JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return recordRDD
+ .sortBy((record) -> String.format("%s-%s", record.getPartitionPath(), record.getRecordKey()),
+ true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyRangeBloomChecker(itr, hoodieTable)).flatMap(List::iterator)
+ .sortBy(Pair::getRight, true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyKeyChecker(itr, hoodieTable))
+ .filter(Option::isPresent)
+ .map(Option::get);
+ }
+
+ @Override
+ public JavaPairRDD<HoodieKey, Option<Pair<String, String>>> fetchRecordLocation(JavaRDD<HoodieKey> hoodieKeys,
+ JavaSparkContext jsc, HoodieTable<T> hoodieTable) {
+ throw new UnsupportedOperationException("Not yet implemented");
+ }
+
+ @Override
+ public boolean rollbackCommit(String commitTime) {
+ // Nope, don't need to do anything.
+ return true;
+ }
+
+ /**
+ * This is not global, since we depend on the partitionPath to do the lookup.
+ */
+ @Override
+ public boolean isGlobal() {
+ return false;
+ }
+
+ /**
+ * No indexes into log files yet.
+ */
+ @Override
+ public boolean canIndexLogFiles() {
+ return false;
+ }
+
+ /**
+ * Bloom filters are stored, into the same data files.
+ */
+ @Override
+ public boolean isImplicitWithStorage() {
+ return true;
+ }
+
+ @Override
+ public JavaRDD<WriteStatus> updateLocation(JavaRDD<WriteStatus> writeStatusRDD, JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return writeStatusRDD;
+ }
+
+ /**
+ * Given an iterator of hoodie records, returns a pair of candidate HoodieRecord, FileID pairs.
+ */
+ class LazyRangeBloomChecker extends
+ LazyIterableIterator<HoodieRecord<T>, List<Pair<HoodieRecord<T>, String>>> {
+
+ private HoodieTable<T> table;
+ private String currentPartitionPath;
+ private Set<String> fileIDs;
+ private IndexFileFilter indexFileFilter;
+ private ExternalSpillableMap<String, BloomFilter> fileIDToBloomFilter;
+ private HoodieTimer hoodieTimer;
+ private long totalTimeMs;
+ private long totalCount;
+ private long totalMetadataReadTimeMs;
+ private long totalRangeCheckTimeMs;
+ private long totalBloomCheckTimeMs;
+ private long totalMatches;
+
+ public LazyRangeBloomChecker(Iterator<HoodieRecord<T>> in, final HoodieTable<T> table) {
+ super(in);
+ this.table = table;
+ }
+
+ @Override
+ protected List<Pair<HoodieRecord<T>, String>> computeNext() {
+
+ List<Pair<HoodieRecord<T>, String>> candidates = new ArrayList<>();
+ if (inputItr.hasNext()) {
+
+ HoodieRecord<T> record = inputItr.next();
+ try {
+ initIfNeeded(record.getPartitionPath());
+
+ totalMetadataReadTimeMs += hoodieTimer.deltaTime();
+ } catch (IOException e) {
+ throw new HoodieIOException("Error reading index metadata for " + record.getPartitionPath(), e);
+ }
+
+ // <Partition path, file name>
+ Set<Pair<String, String>> matchingFiles = indexFileFilter
+ .getMatchingFilesAndPartition(record.getPartitionPath(), record.getRecordKey());
+
+ totalRangeCheckTimeMs += hoodieTimer.deltaTime();
+
+ matchingFiles.forEach(partitionFileIdPair -> {
+ BloomFilter filter = fileIDToBloomFilter.get(partitionFileIdPair.getRight());
+ if (filter.mightContain(record.getRecordKey())) {
+ totalMatches++;
+ candidates.add(Pair.of(record, partitionFileIdPair.getRight()));
+ }
+ });
+ totalBloomCheckTimeMs += hoodieTimer.deltaTime();
+
+ if (candidates.isEmpty()) {
+ candidates.add(Pair.of(record, ""));
+ }
+ }
+
+ totalCount++;
+ return candidates;
+ }
+
+ @Override
+ protected void start() {
+ totalTimeMs = 0;
+ totalMatches = 0;
+ totalCount = 0;
+ hoodieTimer = new HoodieTimer().startTimer();
+ }
+
+ @Override
+ protected void end() {
+ totalTimeMs = hoodieTimer.endTimer();
+ String rangeCheckInfo = "LazyRangeBloomChecker: "
+ + "totalCount: " + totalCount + ", "
+ + "totalMatches: " + totalMatches + "ms, "
+ + "totalTimeMs: " + totalTimeMs + "ms, "
+ + "totalMetadataReadTimeMs: " + totalMetadataReadTimeMs + "ms, "
+ + "totalRangeCheckTimeMs: " + totalRangeCheckTimeMs + "ms, "
+ + "totalBloomCheckTimeMs: " + totalBloomCheckTimeMs + "ms";
+ LOG.info(rangeCheckInfo);
+
+ cleanup();
+ }
+
+ private void cleanup() {
+ if (this.fileIDs != null) {
+ this.fileIDs.clear();
+ }
+ if (this.fileIDToBloomFilter != null) {
+ this.fileIDToBloomFilter.clear();
+ }
+ }
+
+ private void initIfNeeded(String partitionPath) throws IOException {
+ if (!Objects.equals(currentPartitionPath, partitionPath)) {
+ this.currentPartitionPath = partitionPath;
+ cleanup();
+ populateFileIDs();
+ populateRangeAndBloomFilters();
+ }
+ }
+
+ private void populateFileIDs() {
+ Option<HoodieInstant> latestCommitTime = table.getMetaClient().getCommitsTimeline().filterCompletedInstants().lastInstant();
+ this.fileIDs = latestCommitTime.map(commitTime ->
+ table.getBaseFileOnlyView()
+ .getLatestBaseFilesBeforeOrOn(currentPartitionPath, commitTime.getTimestamp())
+ .map(HoodieBaseFile::getFileId)
+ .collect(Collectors.toSet())
+ ).orElse(Collections.emptySet());
+ }
+
+ private void populateRangeAndBloomFilters() throws IOException {
+ this.fileIDToBloomFilter = new ExternalSpillableMap<>(config.getBloomIndexV2BufferSize(),
+ config.getSpillableMapBasePath(), new DefaultSizeEstimator<>(), new DefaultSizeEstimator<>());
+ List<BloomIndexFileInfo> fileInfos = fileIDs.stream().map(fileID -> {
+ HoodieBloomRangeInfoHandle<T> indexMetadataHandle = new HoodieBloomRangeInfoHandle<T>(
+ config, table, Pair.of(currentPartitionPath, fileID));
+ this.fileIDToBloomFilter.put(fileID, indexMetadataHandle.getBloomFilter());
+ return indexMetadataHandle.getRangeInfo();
+ }).collect(Collectors.toList());
+ this.indexFileFilter = new IntervalTreeBasedIndexFileFilter(Collections.singletonMap(currentPartitionPath, fileInfos));
+ }
+
+ }
+
+ /**
+ * Double check HoodieRecord by key.
Review comment:
can we have more descriptive docs.
##########
File path: hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndexV2.java
##########
@@ -0,0 +1,321 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.index.bloom;
+
+import org.apache.hudi.client.WriteStatus;
+import org.apache.hudi.client.utils.LazyIterableIterator;
+import org.apache.hudi.common.bloom.BloomFilter;
+import org.apache.hudi.common.model.HoodieBaseFile;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.model.HoodieRecordLocation;
+import org.apache.hudi.common.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.DefaultSizeEstimator;
+import org.apache.hudi.common.util.HoodieTimer;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.common.util.collection.ExternalSpillableMap;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieIOException;
+import org.apache.hudi.index.HoodieIndex;
+import org.apache.hudi.io.HoodieBloomRangeInfoHandle;
+import org.apache.hudi.io.HoodieKeyLookupHandle;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaPairRDD;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * Simplified re-implementation of {@link HoodieBloomIndex} that does not rely on caching, or
+ * incurs the overhead of auto-tuning parallelism.
+ */
+public class HoodieBloomIndexV2<T extends HoodieRecordPayload> extends HoodieIndex<T> {
+
+ private static final Logger LOG = LogManager.getLogger(HoodieBloomIndexV2.class);
+
+ public HoodieBloomIndexV2(HoodieWriteConfig config) {
+ super(config);
+ }
+
+ @Override
+ public JavaRDD<HoodieRecord<T>> tagLocation(JavaRDD<HoodieRecord<T>> recordRDD,
+ JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return recordRDD
+ .sortBy((record) -> String.format("%s-%s", record.getPartitionPath(), record.getRecordKey()),
+ true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyRangeBloomChecker(itr, hoodieTable)).flatMap(List::iterator)
+ .sortBy(Pair::getRight, true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyKeyChecker(itr, hoodieTable))
+ .filter(Option::isPresent)
+ .map(Option::get);
+ }
+
+ @Override
+ public JavaPairRDD<HoodieKey, Option<Pair<String, String>>> fetchRecordLocation(JavaRDD<HoodieKey> hoodieKeys,
+ JavaSparkContext jsc, HoodieTable<T> hoodieTable) {
+ throw new UnsupportedOperationException("Not yet implemented");
+ }
+
+ @Override
+ public boolean rollbackCommit(String commitTime) {
+ // Nope, don't need to do anything.
+ return true;
+ }
+
+ /**
+ * This is not global, since we depend on the partitionPath to do the lookup.
+ */
+ @Override
+ public boolean isGlobal() {
+ return false;
+ }
+
+ /**
+ * No indexes into log files yet.
+ */
+ @Override
+ public boolean canIndexLogFiles() {
+ return false;
+ }
+
+ /**
+ * Bloom filters are stored, into the same data files.
+ */
+ @Override
+ public boolean isImplicitWithStorage() {
+ return true;
+ }
+
+ @Override
+ public JavaRDD<WriteStatus> updateLocation(JavaRDD<WriteStatus> writeStatusRDD, JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return writeStatusRDD;
+ }
+
+ /**
+ * Given an iterator of hoodie records, returns a pair of candidate HoodieRecord, FileID pairs.
+ */
+ class LazyRangeBloomChecker extends
+ LazyIterableIterator<HoodieRecord<T>, List<Pair<HoodieRecord<T>, String>>> {
+
+ private HoodieTable<T> table;
+ private String currentPartitionPath;
+ private Set<String> fileIDs;
+ private IndexFileFilter indexFileFilter;
+ private ExternalSpillableMap<String, BloomFilter> fileIDToBloomFilter;
+ private HoodieTimer hoodieTimer;
+ private long totalTimeMs;
+ private long totalCount;
+ private long totalMetadataReadTimeMs;
+ private long totalRangeCheckTimeMs;
+ private long totalBloomCheckTimeMs;
+ private long totalMatches;
+
+ public LazyRangeBloomChecker(Iterator<HoodieRecord<T>> in, final HoodieTable<T> table) {
+ super(in);
+ this.table = table;
+ }
+
+ @Override
+ protected List<Pair<HoodieRecord<T>, String>> computeNext() {
+
+ List<Pair<HoodieRecord<T>, String>> candidates = new ArrayList<>();
+ if (inputItr.hasNext()) {
+
+ HoodieRecord<T> record = inputItr.next();
+ try {
+ initIfNeeded(record.getPartitionPath());
+
+ totalMetadataReadTimeMs += hoodieTimer.deltaTime();
+ } catch (IOException e) {
+ throw new HoodieIOException("Error reading index metadata for " + record.getPartitionPath(), e);
+ }
+
+ // <Partition path, file name>
+ Set<Pair<String, String>> matchingFiles = indexFileFilter
+ .getMatchingFilesAndPartition(record.getPartitionPath(), record.getRecordKey());
+
+ totalRangeCheckTimeMs += hoodieTimer.deltaTime();
+
+ matchingFiles.forEach(partitionFileIdPair -> {
+ BloomFilter filter = fileIDToBloomFilter.get(partitionFileIdPair.getRight());
+ if (filter.mightContain(record.getRecordKey())) {
+ totalMatches++;
+ candidates.add(Pair.of(record, partitionFileIdPair.getRight()));
+ }
+ });
+ totalBloomCheckTimeMs += hoodieTimer.deltaTime();
+
+ if (candidates.isEmpty()) {
+ candidates.add(Pair.of(record, ""));
+ }
+ }
+
+ totalCount++;
+ return candidates;
+ }
+
+ @Override
+ protected void start() {
+ totalTimeMs = 0;
+ totalMatches = 0;
+ totalCount = 0;
+ hoodieTimer = new HoodieTimer().startTimer();
+ }
+
+ @Override
+ protected void end() {
+ totalTimeMs = hoodieTimer.endTimer();
+ String rangeCheckInfo = "LazyRangeBloomChecker: "
Review comment:
yep, please remove an debugging statements and any other metrics that was added for perf tuning.
##########
File path: hudi-client/src/test/java/org/apache/hudi/index/bloom/TestHoodieBloomIndexV2.java
##########
@@ -0,0 +1,235 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.index.bloom;
+
+import org.apache.avro.Schema;
+import org.apache.hudi.avro.HoodieAvroUtils;
+import org.apache.hudi.common.HoodieClientTestHarness;
+import org.apache.hudi.common.HoodieClientTestUtils;
+import org.apache.hudi.common.TestRawTripPayload;
+import org.apache.hudi.common.bloom.BloomFilter;
+import org.apache.hudi.common.bloom.BloomFilterFactory;
+import org.apache.hudi.common.bloom.BloomFilterTypeCode;
+import org.apache.hudi.common.fs.FSUtils;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.util.FileIOUtils;
+import org.apache.hudi.config.HoodieIndexConfig;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.spark.api.java.JavaRDD;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.UUID;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+@RunWith(Parameterized.class)
+public class TestHoodieBloomIndexV2 extends HoodieClientTestHarness {
Review comment:
once you have fixed fetchRecordLocation, do write tests for the same.
##########
File path: hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndexV2.java
##########
@@ -0,0 +1,321 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.index.bloom;
+
+import org.apache.hudi.client.WriteStatus;
+import org.apache.hudi.client.utils.LazyIterableIterator;
+import org.apache.hudi.common.bloom.BloomFilter;
+import org.apache.hudi.common.model.HoodieBaseFile;
+import org.apache.hudi.common.model.HoodieKey;
+import org.apache.hudi.common.model.HoodieRecord;
+import org.apache.hudi.common.model.HoodieRecordLocation;
+import org.apache.hudi.common.model.HoodieRecordPayload;
+import org.apache.hudi.common.table.timeline.HoodieInstant;
+import org.apache.hudi.common.util.DefaultSizeEstimator;
+import org.apache.hudi.common.util.HoodieTimer;
+import org.apache.hudi.common.util.Option;
+import org.apache.hudi.common.util.collection.ExternalSpillableMap;
+import org.apache.hudi.common.util.collection.Pair;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieIOException;
+import org.apache.hudi.index.HoodieIndex;
+import org.apache.hudi.io.HoodieBloomRangeInfoHandle;
+import org.apache.hudi.io.HoodieKeyLookupHandle;
+import org.apache.hudi.table.HoodieTable;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.spark.api.java.JavaPairRDD;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * Simplified re-implementation of {@link HoodieBloomIndex} that does not rely on caching, or
+ * incurs the overhead of auto-tuning parallelism.
+ */
+public class HoodieBloomIndexV2<T extends HoodieRecordPayload> extends HoodieIndex<T> {
+
+ private static final Logger LOG = LogManager.getLogger(HoodieBloomIndexV2.class);
+
+ public HoodieBloomIndexV2(HoodieWriteConfig config) {
+ super(config);
+ }
+
+ @Override
+ public JavaRDD<HoodieRecord<T>> tagLocation(JavaRDD<HoodieRecord<T>> recordRDD,
+ JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return recordRDD
+ .sortBy((record) -> String.format("%s-%s", record.getPartitionPath(), record.getRecordKey()),
+ true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyRangeBloomChecker(itr, hoodieTable)).flatMap(List::iterator)
+ .sortBy(Pair::getRight, true, config.getBloomIndexV2Parallelism())
+ .mapPartitions((itr) -> new LazyKeyChecker(itr, hoodieTable))
+ .filter(Option::isPresent)
+ .map(Option::get);
+ }
+
+ @Override
+ public JavaPairRDD<HoodieKey, Option<Pair<String, String>>> fetchRecordLocation(JavaRDD<HoodieKey> hoodieKeys,
+ JavaSparkContext jsc, HoodieTable<T> hoodieTable) {
+ throw new UnsupportedOperationException("Not yet implemented");
+ }
+
+ @Override
+ public boolean rollbackCommit(String commitTime) {
+ // Nope, don't need to do anything.
+ return true;
+ }
+
+ /**
+ * This is not global, since we depend on the partitionPath to do the lookup.
+ */
+ @Override
+ public boolean isGlobal() {
+ return false;
+ }
+
+ /**
+ * No indexes into log files yet.
+ */
+ @Override
+ public boolean canIndexLogFiles() {
+ return false;
+ }
+
+ /**
+ * Bloom filters are stored, into the same data files.
+ */
+ @Override
+ public boolean isImplicitWithStorage() {
+ return true;
+ }
+
+ @Override
+ public JavaRDD<WriteStatus> updateLocation(JavaRDD<WriteStatus> writeStatusRDD, JavaSparkContext jsc,
+ HoodieTable<T> hoodieTable) {
+ return writeStatusRDD;
+ }
+
+ /**
+ * Given an iterator of hoodie records, returns a pair of candidate HoodieRecord, FileID pairs.
+ */
+ class LazyRangeBloomChecker extends
Review comment:
nit. take your call. Can we name this LazyRangeAndBloomFilter/ LazyRangeAndBloomChecker.
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