cshuo commented on code in PR #18348:
URL: https://github.com/apache/hudi/pull/18348#discussion_r3050368530
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java:
##########
@@ -432,107 +412,78 @@ private boolean initializeFromFilesystem(String
dataTableInstantTime, List<Metad
partitionInfoList = Collections.emptyList();
}
}
- Map<String, Map<String, Long>> partitionIdToAllFilesMap =
partitionInfoList.stream()
- .map(p -> {
- String partitionName =
HoodieTableMetadataUtil.getPartitionIdentifierForFilesPartition(p.getRelativePath());
- return Pair.of(partitionName, p.getFilenameToSizeMap());
- })
- .collect(Collectors.toMap(Pair::getKey, Pair::getValue));
-
- // validate that each index is eligible to be initialized
- Iterator<MetadataPartitionType> iterator = partitionsToInit.iterator();
- while (iterator.hasNext()) {
- MetadataPartitionType partitionType = iterator.next();
- if (partitionType == PARTITION_STATS &&
!dataMetaClient.getTableConfig().isTablePartitioned()) {
- // Partition stats index cannot be enabled for a non-partitioned table
- iterator.remove();
- this.enabledPartitionTypes.remove(partitionType);
- }
- }
+ Map<String, List<FileInfo>> partitionIdToAllFilesMap =
DirectoryInfo.getPartitionToFileInfo(partitionInfoList);
+ Lazy<List<FileSliceAndPartition>> lazyLatestMergedPartitionFileSliceList =
getLazyLatestMergedPartitionFileSliceList();
- // For a fresh table, defer RLI initialization
- if (dataWriteConfig.getMetadataConfig().shouldDeferRliInitForFreshTable()
&& this.enabledPartitionTypes.contains(RECORD_INDEX)
- &&
dataMetaClient.getActiveTimeline().filterCompletedInstants().countInstants() ==
0) {
- this.enabledPartitionTypes.remove(RECORD_INDEX);
- partitionsToInit.remove(RECORD_INDEX);
+ // FILES partition should always be initialized first if enabled
+ if (!filesPartitionAvailable) {
+ initializeMetadataPartition(FILES,
indexerMapForPartitionsToInit.get(FILES),
+ dataTableInstantTime, partitionIdToAllFilesMap,
lazyLatestMergedPartitionFileSliceList);
+ hasPartitionsStateChanged = true;
}
- Lazy<List<Pair<String, FileSlice>>> lazyLatestMergedPartitionFileSliceList
= getLazyLatestMergedPartitionFileSliceList();
- for (MetadataPartitionType partitionType : partitionsToInit) {
- // Find the commit timestamp to use for this partition. Each
initialization should use its own unique commit time.
- String instantTimeForPartition =
generateUniqueInstantTime(dataTableInstantTime);
- String partitionTypeName = partitionType.name();
- LOG.info("Initializing MDT partition {} at instant {}",
partitionTypeName, instantTimeForPartition);
- String relativePartitionPath;
- Pair<Integer, HoodieData<HoodieRecord>> fileGroupCountAndRecordsPair;
- Lazy<Option<HoodieSchema>> tableSchema = Lazy.lazily(() ->
HoodieTableMetadataUtil.tryResolveSchemaForTable(dataMetaClient));
- try {
- switch (partitionType) {
- case FILES:
- fileGroupCountAndRecordsPair =
initializeFilesPartition(partitionIdToAllFilesMap);
- initializeFilegroupsAndCommit(partitionType,
FILES.getPartitionPath(), fileGroupCountAndRecordsPair,
instantTimeForPartition);
- break;
- case BLOOM_FILTERS:
- fileGroupCountAndRecordsPair =
initializeBloomFiltersPartition(dataTableInstantTime, partitionIdToAllFilesMap);
- initializeFilegroupsAndCommit(partitionType,
BLOOM_FILTERS.getPartitionPath(), fileGroupCountAndRecordsPair,
instantTimeForPartition);
- break;
- case COLUMN_STATS:
- Pair<List<String>, Pair<Integer, HoodieData<HoodieRecord>>>
colStatsColumnsAndRecord =
initializeColumnStatsPartition(partitionIdToAllFilesMap, tableSchema);
- fileGroupCountAndRecordsPair = colStatsColumnsAndRecord.getValue();
- initializeFilegroupsAndCommit(partitionType,
COLUMN_STATS.getPartitionPath(), fileGroupCountAndRecordsPair,
instantTimeForPartition, colStatsColumnsAndRecord.getKey());
- break;
- case RECORD_INDEX:
- boolean isPartitionedRLI =
dataWriteConfig.isRecordLevelIndexEnabled();
-
initializeFilegroupsAndCommitToRecordIndexPartition(instantTimeForPartition,
lazyLatestMergedPartitionFileSliceList, isPartitionedRLI);
- break;
- case EXPRESSION_INDEX:
- Set<String> expressionIndexPartitionsToInit =
getExpressionIndexPartitionsToInit(partitionType,
dataWriteConfig.getMetadataConfig(), dataMetaClient);
- if (expressionIndexPartitionsToInit.size() != 1) {
- if (expressionIndexPartitionsToInit.size() > 1) {
- LOG.warn("Skipping expression index initialization as only one
expression index bootstrap at a time is supported for now. Provided: {}",
expressionIndexPartitionsToInit);
- }
- continue;
- }
- relativePartitionPath =
expressionIndexPartitionsToInit.iterator().next();
- fileGroupCountAndRecordsPair =
initializeExpressionIndexPartition(relativePartitionPath, dataTableInstantTime,
lazyLatestMergedPartitionFileSliceList, tableSchema);
- initializeFilegroupsAndCommit(partitionType,
relativePartitionPath, fileGroupCountAndRecordsPair, instantTimeForPartition);
- break;
- case PARTITION_STATS:
- // For PARTITION_STATS, COLUMN_STATS should also be enabled
- if (!dataWriteConfig.isMetadataColumnStatsIndexEnabled()) {
- LOG.debug("Skipping partition stats initialization as column
stats index is not enabled. Please enable {}",
-
HoodieMetadataConfig.ENABLE_METADATA_INDEX_COLUMN_STATS.key());
- continue;
- }
- fileGroupCountAndRecordsPair =
initializePartitionStatsIndex(lazyLatestMergedPartitionFileSliceList,
tableSchema);
- initializeFilegroupsAndCommit(partitionType,
PARTITION_STATS.getPartitionPath(), fileGroupCountAndRecordsPair,
instantTimeForPartition);
- break;
- case SECONDARY_INDEX:
- Set<String> secondaryIndexPartitionsToInit =
getSecondaryIndexPartitionsToInit(partitionType,
dataWriteConfig.getMetadataConfig(), dataMetaClient);
- if (secondaryIndexPartitionsToInit.size() != 1) {
- if (secondaryIndexPartitionsToInit.size() > 1) {
- LOG.warn("Skipping secondary index initialization as only one
secondary index bootstrap at a time is supported for now. Provided: {}",
secondaryIndexPartitionsToInit);
- }
- continue;
- }
- relativePartitionPath =
secondaryIndexPartitionsToInit.iterator().next();
- fileGroupCountAndRecordsPair =
initializeSecondaryIndexPartition(relativePartitionPath,
lazyLatestMergedPartitionFileSliceList);
- initializeFilegroupsAndCommit(partitionType,
relativePartitionPath, fileGroupCountAndRecordsPair, instantTimeForPartition);
- break;
- default:
- throw new HoodieMetadataException(String.format("Unsupported MDT
partition type: %s", partitionType));
- }
- } catch (Exception e) {
- String metricKey = partitionType.getPartitionPath() + "_" +
HoodieMetadataMetrics.BOOTSTRAP_ERR_STR;
- metrics.ifPresent(m -> m.setMetric(metricKey, 1));
- String errMsg = String.format("Bootstrap on %s partition failed for
%s",
- partitionType.getPartitionPath(),
metadataMetaClient.getBasePath());
- LOG.error(errMsg, e);
- throw new HoodieMetadataException(errMsg, e);
+ indexerMapForPartitionsToInit.entrySet().stream().filter(e -> e.getKey()
!= FILES).forEach(
+ e -> {
+ try {
+ initializeMetadataPartition(e.getKey(), e.getValue(),
dataTableInstantTime, partitionIdToAllFilesMap,
lazyLatestMergedPartitionFileSliceList);
+ } catch (IOException ex) {
+ throw new HoodieMetadataException("Failed to initialize metadata
partition: " + e.getKey(), ex);
+ }
+ hasPartitionsStateChanged = true;
Review Comment:
PARTITION_STATS initialization does not depend on COLUMN_STATS having
already been initialized. During bootstrap,
PartitionStatsIndexer.buildInitialization() generates its records directly from
the data table file slices.
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/index/IndexerFactory.java:
##########
@@ -0,0 +1,105 @@
+/*
+ * 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.metadata.index;
+
+import org.apache.hudi.common.engine.HoodieEngineContext;
+import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.config.HoodieWriteConfig;
+import org.apache.hudi.exception.HoodieNotSupportedException;
+import org.apache.hudi.metadata.MetadataPartitionType;
+import org.apache.hudi.metadata.index.bloomfilters.BloomFiltersIndexer;
+import org.apache.hudi.metadata.index.columnstats.ColumnStatsIndexer;
+import org.apache.hudi.metadata.index.expression.ExpressionIndexer;
+import org.apache.hudi.metadata.index.files.FilesIndexer;
+import org.apache.hudi.metadata.index.partitionstats.PartitionStatsIndexer;
+import org.apache.hudi.metadata.index.record.PartitionedRecordIndexer;
+import org.apache.hudi.metadata.index.record.RecordIndexer;
+import org.apache.hudi.metadata.index.secondary.SecondaryIndexer;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+/**
+ * Factory for creating {@link Indexer} implementations and resolving enabled
indexers
+ * based on table and metadata configuration.
+ */
+public class IndexerFactory {
+ private static Indexer createIndexer(MetadataPartitionType partitionType,
+ HoodieEngineContext engineContext,
+ HoodieWriteConfig dataTableWriteConfig,
+ HoodieTableMetaClient
dataTableMetaClient,
+ ExpressionIndexRecordGenerator
expressionIndexRecordGenerator) {
+ switch (partitionType) {
+ case FILES:
+ return new FilesIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ case BLOOM_FILTERS:
+ return new BloomFiltersIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ case COLUMN_STATS:
+ return new ColumnStatsIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ case RECORD_INDEX:
+ return dataTableWriteConfig.isRecordLevelIndexEnabled()
+ ? new PartitionedRecordIndexer(engineContext,
dataTableWriteConfig, dataTableMetaClient)
+ : new RecordIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ case EXPRESSION_INDEX:
+ return new ExpressionIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient, expressionIndexRecordGenerator);
+ case PARTITION_STATS:
+ return new PartitionStatsIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ case SECONDARY_INDEX:
+ return new SecondaryIndexer(engineContext, dataTableWriteConfig,
dataTableMetaClient);
+ default:
+ throw new HoodieNotSupportedException("Unsupported metadata partition
type for indexing: " + partitionType);
+ }
+ }
+
+ /**
+ * Returns the map of metadata partition type to the indexer for the enabled
metadata
+ * partition types based on the metadata config and table config.
+ */
+ public static Map<MetadataPartitionType, Indexer> getEnabledIndexerMap(
+ HoodieEngineContext engineContext,
+ HoodieWriteConfig dataTableWriteConfig,
+ HoodieTableMetaClient dataTableMetaClient,
+ ExpressionIndexRecordGenerator expressionIndexRecordGenerator) {
+ if (!dataTableWriteConfig.getMetadataConfig().isEnabled()) {
+ return Collections.emptyMap();
+ }
+ return
Collections.unmodifiableMap(Arrays.stream(MetadataPartitionType.getValidValues(dataTableMetaClient.getTableConfig().getTableVersion()))
+ .filter(partitionType ->
+
(partitionType.isMetadataPartitionEnabled(dataTableWriteConfig.getMetadataConfig(),
dataTableMetaClient.getTableConfig())
Review Comment:
PARTITION_STATS initialization does not depend on COLUMN_STATS having
already been initialized. During bootstrap,
PartitionStatsIndexer.buildInitialization() generates its records directly from
the data table file slices.
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