ijuma commented on code in PR #19523: URL: https://github.com/apache/kafka/pull/19523#discussion_r2070950389
########## group-coordinator/src/test/java/org/apache/kafka/coordinator/group/UtilsTest.java: ########## @@ -0,0 +1,201 @@ +/* + * 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.kafka.coordinator.group; + +import org.apache.kafka.common.Uuid; +import org.apache.kafka.common.utils.ByteBufferOutputStream; +import org.apache.kafka.image.MetadataImage; + +import net.jpountz.xxhash.XXHash64; +import net.jpountz.xxhash.XXHashFactory; + +import org.junit.jupiter.api.Test; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; + +import java.io.DataOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.LinkedHashMap; +import java.util.Map; +import java.util.stream.Stream; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotEquals; + +public class UtilsTest { + private static final Uuid FOO_TOPIC_ID = Uuid.randomUuid(); + private static final String FOO_TOPIC_NAME = "foo"; + private static final String BAR_TOPIC_NAME = "bar"; + private static final int FOO_NUM_PARTITIONS = 2; + private static final MetadataImage FOO_METADATA_IMAGE = new MetadataImageBuilder() + .addTopic(FOO_TOPIC_ID, FOO_TOPIC_NAME, FOO_NUM_PARTITIONS) + .addRacks() + .build(); + private static final XXHash64 LZ4_HASH_INSTANCE = XXHashFactory.fastestInstance().hash64(); Review Comment: `XXH3` seems to be the fastest implementation. Did we consider using that? https://github.com/Cyan4973/xxHash -- 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: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
