hudi-client/hudi-spark-client/src/test/java/org/apache/hudi/io/TestSparkIOUtils.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *      http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.hudi.io;

import org.apache.hudi.client.SparkTaskContextSupplier;
import org.apache.hudi.config.HoodieMemoryConfig;
import org.apache.hudi.config.HoodieWriteConfig;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;

import static org.apache.hudi.config.HoodieMemoryConfig.DEFAULT_MAX_MEMORY_FRACTION_FOR_COMPACTION;
import static org.apache.hudi.config.HoodieMemoryConfig.DEFAULT_MAX_MEMORY_FRACTION_FOR_MERGE;
import static org.apache.hudi.config.HoodieMemoryConfig.MAX_MEMORY_FRACTION_FOR_COMPACTION_PROP;
import static org.apache.hudi.config.HoodieMemoryConfig.MAX_MEMORY_FRACTION_FOR_MERGE_PROP;
import static org.junit.jupiter.api.Assertions.assertEquals;

public class TestSparkIOUtils {
  @TempDir
  public java.nio.file.Path basePath;

  private final SparkTaskContextSupplier contextSupplier = new SparkTaskContextSupplier();

  @Test
  public void testMaxMemoryPerPartitionMergeWithMaxSizeDefined() {
    String path = basePath.toString();

    long mergeMaxSize = 1000;
    long compactionMaxSize = 1000;

    HoodieMemoryConfig memoryConfig = HoodieMemoryConfig.newBuilder().withMaxMemoryMaxSize(mergeMaxSize, compactionMaxSize).build();
    HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(path).withMemoryConfig(memoryConfig).build();

    assertEquals(mergeMaxSize, IOUtils.getMaxMemoryPerPartitionMerge(contextSupplier, config.getProps()));
    assertEquals(compactionMaxSize, IOUtils.getMaxMemoryPerCompaction(contextSupplier, config.getProps()));
  }

  @Test
  public void testMaxMemoryPerPartitionMergeInDefault() {
    String path = basePath.toString();

    HoodieWriteConfig config = HoodieWriteConfig.newBuilder().withPath(path).build();

    String compactionFraction = config.getProps().getProperty(MAX_MEMORY_FRACTION_FOR_COMPACTION_PROP, DEFAULT_MAX_MEMORY_FRACTION_FOR_COMPACTION);
    long compactionMaxSize = IOUtils.getMaxMemoryAllowedForMerge(contextSupplier, compactionFraction);

    String mergeFraction = config.getProps().getProperty(MAX_MEMORY_FRACTION_FOR_MERGE_PROP, DEFAULT_MAX_MEMORY_FRACTION_FOR_MERGE);
    long mergeMaxSize = IOUtils.getMaxMemoryAllowedForMerge(contextSupplier, mergeFraction);

    assertEquals(mergeMaxSize, IOUtils.getMaxMemoryPerPartitionMerge(contextSupplier, config.getProps()));
    assertEquals(compactionMaxSize, IOUtils.getMaxMemoryPerCompaction(contextSupplier, config.getProps()));
  }
}