aokolnychyi commented on code in PR #8637: URL: https://github.com/apache/iceberg/pull/8637#discussion_r1394741412
########## core/src/jmh/java/org/apache/iceberg/ManifestWriteBenchmark.java: ########## @@ -0,0 +1,153 @@ +/* + * 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.iceberg; + +import java.io.File; +import java.io.IOException; +import java.io.UncheckedIOException; +import java.nio.ByteBuffer; +import java.util.Map; +import java.util.Random; +import java.util.UUID; +import java.util.concurrent.TimeUnit; +import org.apache.commons.io.FileUtils; +import org.apache.iceberg.io.OutputFile; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.relocated.com.google.common.io.Files; +import org.openjdk.jmh.annotations.Benchmark; +import org.openjdk.jmh.annotations.BenchmarkMode; +import org.openjdk.jmh.annotations.Fork; +import org.openjdk.jmh.annotations.Measurement; +import org.openjdk.jmh.annotations.Mode; +import org.openjdk.jmh.annotations.Scope; +import org.openjdk.jmh.annotations.Setup; +import org.openjdk.jmh.annotations.State; +import org.openjdk.jmh.annotations.TearDown; +import org.openjdk.jmh.annotations.Threads; +import org.openjdk.jmh.annotations.Timeout; + +/** + * A benchmark that evaluates the performance of writing manifest files + * + * <p>To run this benchmark: <code> + * ./gradlew :iceberg-core:jmh -PjmhIncludeRegex=ManifestWriteBenchmark + * </code> + */ +@Fork(1) +@State(Scope.Benchmark) +@Measurement(iterations = 5) +@BenchmarkMode(Mode.SingleShotTime) +@Timeout(time = 1000, timeUnit = TimeUnit.HOURS) +public class ManifestWriteBenchmark { + + private static final int NUM_FILES = 10; + private static final int NUM_ROWS = 100000; + private static final int NUM_COLS = 100; + + private String baseDir; + private String manifestListFile; + + private Metrics metrics; + + @Setup + public void before() { + Random random = new Random(System.currentTimeMillis()); + // Pre-create the metrics to avoid doing this in the benchmark itself + metrics = randomMetrics(random); + } + + @TearDown + public void after() { + if (baseDir != null) { + FileUtils.deleteQuietly(new File(baseDir)); + baseDir = null; + } + + manifestListFile = null; + } + + @Benchmark + @Threads(1) + public void writeManifestFile() throws IOException { + baseDir = Files.createTempDir().getAbsolutePath(); + manifestListFile = String.format("%s/%s.avro", baseDir, UUID.randomUUID()); + + try (ManifestListWriter listWriter = + ManifestLists.write(1, org.apache.iceberg.Files.localOutput(manifestListFile), 0, 1L, 0)) { Review Comment: I agree, it would be nice to cover both formats. We can use `@Param` annotation. Like in `IcebergSourceParquetPosDeleteBenchmark`, for instance. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
