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[Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Pai…
…mon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency [Feature][CONNECTORS-V2-Paimon] Dynamic bucket splitting improves Paimon writing efficiency
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85 changes: 85 additions & 0 deletions
85
...va/org/apache/seatunnel/connectors/seatunnel/paimon/sink/bucket/PaimonBucketAssigner.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * 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.seatunnel.connectors.seatunnel.paimon.sink.bucket; | ||
|
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| import org.apache.commons.collections.CollectionUtils; | ||
| import org.apache.paimon.codegen.CodeGenUtils; | ||
| import org.apache.paimon.codegen.Projection; | ||
| import org.apache.paimon.crosspartition.IndexBootstrap; | ||
| import org.apache.paimon.data.InternalRow; | ||
| import org.apache.paimon.index.SimpleHashBucketAssigner; | ||
| import org.apache.paimon.reader.RecordReader; | ||
| import org.apache.paimon.reader.RecordReaderIterator; | ||
| import org.apache.paimon.schema.TableSchema; | ||
| import org.apache.paimon.table.FileStoreTable; | ||
| import org.apache.paimon.table.Table; | ||
| import org.apache.paimon.table.sink.RowPartitionKeyExtractor; | ||
|
|
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| import java.io.IOException; | ||
|
|
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| public class PaimonBucketAssigner { | ||
|
|
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| private final RowPartitionKeyExtractor extractor; | ||
|
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| private final Projection bucketKeyProjection; | ||
|
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| private final SimpleHashBucketAssigner simpleHashBucketAssigner; | ||
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| private final TableSchema schema; | ||
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| public PaimonBucketAssigner(Table table, int numAssigners, int assignId) { | ||
| FileStoreTable fileStoreTable = (FileStoreTable) table; | ||
| this.schema = fileStoreTable.schema(); | ||
| this.extractor = new RowPartitionKeyExtractor(fileStoreTable.schema()); | ||
| this.bucketKeyProjection = | ||
| CodeGenUtils.newProjection( | ||
| fileStoreTable.schema().logicalRowType(), | ||
| fileStoreTable.schema().projection(fileStoreTable.schema().bucketKeys())); | ||
| long dynamicBucketTargetRowNum = | ||
| ((FileStoreTable) table).coreOptions().dynamicBucketTargetRowNum(); | ||
| this.simpleHashBucketAssigner = | ||
| new SimpleHashBucketAssigner(numAssigners, assignId, dynamicBucketTargetRowNum); | ||
| loadBucketIndex(fileStoreTable, numAssigners, assignId); | ||
| } | ||
|
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| private void loadBucketIndex(FileStoreTable fileStoreTable, int numAssigners, int assignId) { | ||
| IndexBootstrap indexBootstrap = new IndexBootstrap(fileStoreTable); | ||
| try (RecordReader<InternalRow> recordReader = | ||
| indexBootstrap.bootstrap(numAssigners, assignId)) { | ||
| RecordReaderIterator<InternalRow> readerIterator = | ||
| new RecordReaderIterator<>(recordReader); | ||
| while (readerIterator.hasNext()) { | ||
| InternalRow row = readerIterator.next(); | ||
| assign(row); | ||
| } | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| public int assign(InternalRow rowData) { | ||
| int hash; | ||
| if (CollectionUtils.isEmpty(this.schema.bucketKeys())) { | ||
| hash = extractor.trimmedPrimaryKey(rowData).hashCode(); | ||
| } else { | ||
| hash = bucketKeyProjection.apply(rowData).hashCode(); | ||
| } | ||
| return Math.abs( | ||
| this.simpleHashBucketAssigner.assign(this.extractor.partition(rowData), hash)); | ||
| } | ||
| } |
91 changes: 91 additions & 0 deletions
91
...rg/apache/seatunnel/connectors/seatunnel/paimon/sink/bucket/PaimonBucketAssignerTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| /* | ||
| * 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.seatunnel.connectors.seatunnel.paimon.sink.bucket; | ||
|
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| import org.apache.paimon.catalog.Catalog; | ||
| import org.apache.paimon.catalog.CatalogContext; | ||
| import org.apache.paimon.catalog.CatalogFactory; | ||
| import org.apache.paimon.catalog.Identifier; | ||
| import org.apache.paimon.data.BinaryString; | ||
| import org.apache.paimon.data.GenericRow; | ||
| import org.apache.paimon.options.Options; | ||
| import org.apache.paimon.schema.Schema; | ||
| import org.apache.paimon.table.FileStoreTable; | ||
| import org.apache.paimon.table.Table; | ||
| import org.apache.paimon.table.sink.RowPartitionKeyExtractor; | ||
| import org.apache.paimon.types.DataTypes; | ||
|
|
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| import org.junit.jupiter.api.Assertions; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
|
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| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
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| public class PaimonBucketAssignerTest { | ||
|
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| private Table table; | ||
| private static final String TABLE_NAME = "default_table"; | ||
| private static final String DATABASE_NAME = "default_database"; | ||
|
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| @BeforeEach | ||
| public void before() throws Exception { | ||
| boolean isWindows = | ||
| System.getProperties().getProperty("os.name").toUpperCase().contains("WINDOWS"); | ||
| Options options = new Options(); | ||
| if (isWindows) { | ||
| options.set("warehouse", "C:/Users/" + System.getProperty("user.name") + "/tmp/paimon"); | ||
| } else { | ||
| options.set("warehouse", "file:///tmp/paimon"); | ||
| } | ||
| Catalog catalog = CatalogFactory.createCatalog(CatalogContext.create(options)); | ||
| catalog.createDatabase(DATABASE_NAME, true); | ||
| Identifier identifier = Identifier.create(DATABASE_NAME, TABLE_NAME); | ||
| if (!catalog.tableExists(identifier)) { | ||
| Schema.Builder schemaBuilder = Schema.newBuilder(); | ||
| schemaBuilder.column("id", DataTypes.INT(), "primary Key"); | ||
| schemaBuilder.column("name", DataTypes.STRING(), "name"); | ||
| schemaBuilder.primaryKey("id"); | ||
| schemaBuilder.option("bucket", "-1"); | ||
| schemaBuilder.option("dynamic-bucket.target-row-num", "20"); | ||
| Schema schema = schemaBuilder.build(); | ||
| catalog.createTable(identifier, schema, false); | ||
| } | ||
| table = catalog.getTable(identifier); | ||
| } | ||
|
|
||
| @Test | ||
| public void bucketAssigner() { | ||
| FileStoreTable fileStoreTable = (FileStoreTable) table; | ||
| RowPartitionKeyExtractor keyExtractor = | ||
| new RowPartitionKeyExtractor(fileStoreTable.schema()); | ||
| PaimonBucketAssigner paimonBucketAssigner = new PaimonBucketAssigner(fileStoreTable, 1, 0); | ||
| Map<Integer, Integer> bucketInformation = new HashMap<>(); | ||
| for (int i = 0; i < 50; i++) { | ||
| GenericRow row = GenericRow.of(i, BinaryString.fromString(String.valueOf(i))); | ||
| int assign = paimonBucketAssigner.assign(row); | ||
| int hashCode = keyExtractor.trimmedPrimaryKey(row).hashCode(); | ||
| bucketInformation.put(hashCode, assign); | ||
| } | ||
| List<Integer> bucketSize = | ||
| bucketInformation.values().stream().distinct().collect(Collectors.toList()); | ||
| Assertions.assertEquals(bucketSize.size(), 3); | ||
| } | ||
| } |
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