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+/*
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+ * Licensed to Elasticsearch under one or more contributor
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+ * license agreements. See the NOTICE file distributed with
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+ * this work for additional information regarding copyright
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+ * ownership. Elasticsearch licenses this file to you under
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+ * the Apache License, Version 2.0 (the "License"); you may
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+ * not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing,
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+ * software distributed under the License is distributed on an
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+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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+ * KIND, either express or implied. See the License for the
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+ * specific language governing permissions and limitations
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+ * under the License.
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+ */
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+
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+package org.elasticsearch.benchmark.search.aggregations.bucket.terms;
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+
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+import org.apache.lucene.util.BytesRef;
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+import org.elasticsearch.common.io.stream.DelayableWriteable;
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+import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
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+import org.elasticsearch.search.DocValueFormat;
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+import org.elasticsearch.search.aggregations.BucketOrder;
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+import org.elasticsearch.search.aggregations.InternalAggregation;
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+import org.elasticsearch.search.aggregations.InternalAggregations;
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+import org.elasticsearch.search.aggregations.bucket.terms.StringTerms;
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+import org.openjdk.jmh.annotations.Benchmark;
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+import org.openjdk.jmh.annotations.BenchmarkMode;
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+import org.openjdk.jmh.annotations.Fork;
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+import org.openjdk.jmh.annotations.Measurement;
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+import org.openjdk.jmh.annotations.Mode;
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+import org.openjdk.jmh.annotations.OutputTimeUnit;
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+import org.openjdk.jmh.annotations.Param;
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+import org.openjdk.jmh.annotations.Scope;
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+import org.openjdk.jmh.annotations.Setup;
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+import org.openjdk.jmh.annotations.State;
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+import org.openjdk.jmh.annotations.Warmup;
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+
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+import java.util.ArrayList;
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+import java.util.List;
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+import java.util.concurrent.TimeUnit;
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+
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+@Fork(2)
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+@Warmup(iterations = 10)
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+@Measurement(iterations = 5)
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+@BenchmarkMode(Mode.AverageTime)
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+@OutputTimeUnit(TimeUnit.MILLISECONDS)
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+@State(Scope.Benchmark)
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+public class StringTermsSerializationBenchmark {
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+ private static final NamedWriteableRegistry REGISTRY = new NamedWriteableRegistry(
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+ List.of(new NamedWriteableRegistry.Entry(InternalAggregation.class, StringTerms.NAME, StringTerms::new))
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+ );
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+ @Param(value = { "1000" })
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+ private int buckets;
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+
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+ private DelayableWriteable<InternalAggregations> results;
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+
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+ @Setup
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+ public void initResults() {
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+ results = DelayableWriteable.referencing(InternalAggregations.from(List.of(newTerms(true))));
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+ }
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+
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+ private StringTerms newTerms(boolean withNested) {
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+ List<StringTerms.Bucket> resultBuckets = new ArrayList<>(buckets);
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+ for (int i = 0; i < buckets; i++) {
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+ InternalAggregations inner = withNested ? InternalAggregations.from(List.of(newTerms(false))) : InternalAggregations.EMPTY;
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+ resultBuckets.add(new StringTerms.Bucket(new BytesRef("test" + i), i, inner, false, 0, DocValueFormat.RAW));
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+ }
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+ return new StringTerms(
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+ "test",
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+ BucketOrder.key(true),
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+ BucketOrder.key(true),
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+ buckets,
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+ 1,
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+ null,
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+ DocValueFormat.RAW,
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+ buckets,
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+ false,
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+ 100000,
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+ resultBuckets,
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+ 0
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+ );
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+ }
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+
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+ @Benchmark
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+ public DelayableWriteable<InternalAggregations> serialize() {
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+ return results.asSerialized(InternalAggregations::readFrom, REGISTRY);
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+ }
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+}
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