rreddy-22 commented on code in PR #15717:
URL: https://github.com/apache/kafka/pull/15717#discussion_r1566238375
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jmh-benchmarks/src/main/java/org/apache/kafka/jmh/group_coordinator/TargetAssignmentBuilderBenchmark.java:
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@@ -0,0 +1,259 @@
+package org.apache.kafka.jmh.group_coordinator;
+
+import org.apache.kafka.common.Uuid;
+import org.apache.kafka.coordinator.group.assignor.AssignmentMemberSpec;
+import org.apache.kafka.coordinator.group.assignor.AssignmentSpec;
+import org.apache.kafka.coordinator.group.assignor.GroupAssignment;
+import org.apache.kafka.coordinator.group.assignor.MemberAssignment;
+import org.apache.kafka.coordinator.group.assignor.PartitionAssignor;
+import org.apache.kafka.coordinator.group.assignor.RangeAssignor;
+import org.apache.kafka.coordinator.group.assignor.UniformAssignor;
+import org.apache.kafka.coordinator.group.consumer.Assignment;
+import org.apache.kafka.coordinator.group.consumer.ConsumerGroupMember;
+import org.apache.kafka.coordinator.group.consumer.SubscribedTopicMetadata;
+import org.apache.kafka.coordinator.group.consumer.TargetAssignmentBuilder;
+import org.apache.kafka.coordinator.group.consumer.TopicMetadata;
+import org.apache.kafka.coordinator.group.consumer.VersionedMetadata;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Fork;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Measurement;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Param;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.annotations.Threads;
+import org.openjdk.jmh.annotations.Warmup;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+import static java.lang.Integer.max;
+
+@State(Scope.Benchmark)
+@Fork(value = 1)
+@Warmup(iterations = 5)
+@Measurement(iterations = 5)
+@BenchmarkMode(Mode.AverageTime)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+public class TargetAssignmentBuilderBenchmark {
+
+ @Param({"1000", "10000"})
+ private int memberCount;
+
+ @Param({"10", "50"})
+ private int partitionsPerTopicCount;
+
+ @Param({"1000"})
+ private int topicCount;
+
+ @Param({"true", "false"})
+ private boolean isSubscriptionUniform;
+
+ @Param({"true", "false"})
+ private boolean isRangeAssignor;
+
+ @Param({"true", "false"})
+ private boolean isRackAware;
Review Comment:
The numbers change based on the assignor and these factors though right?
Which assignor and params would you want for the baseline of this benchmark
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