| /* |
| * 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.client.utils; |
| |
| import org.apache.hudi.config.HoodieIndexConfig; |
| |
| import org.apache.spark.SparkEnv; |
| import org.apache.spark.storage.StorageLevel; |
| import org.apache.spark.util.Utils; |
| |
| import java.util.Properties; |
| |
| import static org.apache.hudi.config.HoodieMemoryConfig.DEFAULT_MAX_MEMORY_FOR_SPILLABLE_MAP_IN_BYTES; |
| 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.DEFAULT_MIN_MEMORY_FOR_SPILLABLE_MAP_IN_BYTES; |
| import static org.apache.hudi.config.HoodieMemoryConfig.MAX_MEMORY_FOR_COMPACTION_PROP; |
| import static org.apache.hudi.config.HoodieMemoryConfig.MAX_MEMORY_FOR_MERGE_PROP; |
| 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.apache.hudi.config.HoodieWriteConfig.WRITE_STATUS_STORAGE_LEVEL; |
| |
| /** |
| * Spark config utils. |
| */ |
| public class SparkConfigUtils { |
| |
| /** |
| * Dynamic calculation of max memory to use for for spillable map. user.available.memory = spark.executor.memory * |
| * (1 - spark.memory.fraction) spillable.available.memory = user.available.memory * hoodie.memory.fraction. Anytime |
| * the spark.executor.memory or the spark.memory.fraction is changed, the memory used for spillable map changes |
| * accordingly |
| */ |
| public static long getMaxMemoryAllowedForMerge(String maxMemoryFraction) { |
| final String SPARK_EXECUTOR_MEMORY_PROP = "spark.executor.memory"; |
| final String SPARK_EXECUTOR_MEMORY_FRACTION_PROP = "spark.memory.fraction"; |
| // This is hard-coded in spark code {@link |
| // https://github.com/apache/spark/blob/576c43fb4226e4efa12189b41c3bc862019862c6/core/src/main/scala/org/apache/ |
| // spark/memory/UnifiedMemoryManager.scala#L231} so have to re-define this here |
| final String DEFAULT_SPARK_EXECUTOR_MEMORY_FRACTION = "0.6"; |
| // This is hard-coded in spark code {@link |
| // https://github.com/apache/spark/blob/576c43fb4226e4efa12189b41c3bc862019862c6/core/src/main/scala/org/apache/ |
| // spark/SparkContext.scala#L471} so have to re-define this here |
| final String DEFAULT_SPARK_EXECUTOR_MEMORY_MB = "1024"; // in MB |
| if (SparkEnv.get() != null) { |
| // 1 GB is the default conf used by Spark, look at SparkContext.scala |
| long executorMemoryInBytes = Utils.memoryStringToMb( |
| SparkEnv.get().conf().get(SPARK_EXECUTOR_MEMORY_PROP, DEFAULT_SPARK_EXECUTOR_MEMORY_MB)) * 1024 * 1024L; |
| // 0.6 is the default value used by Spark, |
| // look at {@link |
| // https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/SparkConf.scala#L507} |
| double memoryFraction = Double.parseDouble( |
| SparkEnv.get().conf().get(SPARK_EXECUTOR_MEMORY_FRACTION_PROP, DEFAULT_SPARK_EXECUTOR_MEMORY_FRACTION)); |
| double maxMemoryFractionForMerge = Double.parseDouble(maxMemoryFraction); |
| double userAvailableMemory = executorMemoryInBytes * (1 - memoryFraction); |
| long maxMemoryForMerge = (long) Math.floor(userAvailableMemory * maxMemoryFractionForMerge); |
| return Math.max(DEFAULT_MIN_MEMORY_FOR_SPILLABLE_MAP_IN_BYTES, maxMemoryForMerge); |
| } else { |
| return DEFAULT_MAX_MEMORY_FOR_SPILLABLE_MAP_IN_BYTES; |
| } |
| } |
| |
| public static StorageLevel getWriteStatusStorageLevel(Properties properties) { |
| return StorageLevel.fromString(properties.getProperty(WRITE_STATUS_STORAGE_LEVEL)); |
| } |
| |
| public static StorageLevel getBloomIndexInputStorageLevel(Properties properties) { |
| return StorageLevel.fromString(properties.getProperty(HoodieIndexConfig.BLOOM_INDEX_INPUT_STORAGE_LEVEL)); |
| } |
| |
| public static long getMaxMemoryPerPartitionMerge(Properties properties) { |
| if (properties.containsKey(MAX_MEMORY_FOR_MERGE_PROP)) { |
| return Long.parseLong(properties.getProperty(MAX_MEMORY_FOR_MERGE_PROP)); |
| } |
| String fraction = properties.getProperty(MAX_MEMORY_FRACTION_FOR_MERGE_PROP, DEFAULT_MAX_MEMORY_FRACTION_FOR_MERGE); |
| return getMaxMemoryAllowedForMerge(fraction); |
| } |
| |
| public static long getMaxMemoryPerCompaction(Properties properties) { |
| if (properties.containsKey(MAX_MEMORY_FOR_COMPACTION_PROP)) { |
| return Long.parseLong(properties.getProperty(MAX_MEMORY_FOR_COMPACTION_PROP)); |
| } |
| String fraction = properties.getProperty(MAX_MEMORY_FRACTION_FOR_COMPACTION_PROP, DEFAULT_MAX_MEMORY_FRACTION_FOR_COMPACTION); |
| return getMaxMemoryAllowedForMerge(fraction); |
| } |
| |
| public static StorageLevel getSimpleIndexInputStorageLevel(Properties properties) { |
| return StorageLevel.fromString(properties.getProperty(HoodieIndexConfig.SIMPLE_INDEX_INPUT_STORAGE_LEVEL)); |
| } |
| } |