sigram commented on code in PR #3739:
URL: https://github.com/apache/solr/pull/3739#discussion_r2413461098
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solr/benchmark/src/java/org/apache/solr/bench/search/ExitableDirectoryReaderSearch.java:
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@@ -0,0 +1,180 @@
+package org.apache.solr.bench.search;
+
+import static org.apache.solr.bench.generators.SourceDSL.integers;
+import static org.apache.solr.bench.generators.SourceDSL.strings;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import org.apache.solr.bench.Docs;
+import org.apache.solr.bench.MiniClusterState;
+import org.apache.solr.client.solrj.request.CollectionAdminRequest;
+import org.apache.solr.client.solrj.request.QueryRequest;
+import org.apache.solr.client.solrj.response.QueryResponse;
+import org.apache.solr.common.SolrInputDocument;
+import org.apache.solr.common.params.ModifiableSolrParams;
+import org.apache.solr.search.CallerSpecificQueryLimit;
+import org.apache.solr.search.SolrIndexSearcher;
+import org.apache.solr.util.TestInjection;
+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.TearDown;
+import org.openjdk.jmh.annotations.Threads;
+import org.openjdk.jmh.annotations.Warmup;
+import org.openjdk.jmh.infra.Blackhole;
+
+@Fork(value = 1)
+@BenchmarkMode(Mode.AverageTime)
+@Warmup(time = 20, iterations = 2)
+@OutputTimeUnit(TimeUnit.MILLISECONDS)
+@Measurement(time = 30, iterations = 4)
+@Threads(value = 1)
+public class ExitableDirectoryReaderSearch {
+
+ static final String COLLECTION = "c1";
+
+ @State(Scope.Benchmark)
+ public static class BenchState {
+
+ Docs queryFields;
+
+ int NUM_DOCS = 500_000;
+ int WORDS = NUM_DOCS / 100;
+
+ @Setup(Level.Trial)
+ public void setupTrial(MiniClusterState.MiniClusterBenchState
miniClusterState)
+ throws Exception {
+ miniClusterState.setUseHttp1(true);
+ System.setProperty("documentCache.enabled", "false");
+ System.setProperty("queryResultCache.enabled", "false");
+ System.setProperty("filterCache.enabled", "false");
+ System.setProperty("miniClusterBaseDir", "build/work/mini-cluster");
+ // create a lot of small segments
+ System.setProperty("segmentsPerTier", "200");
Review Comment:
The working hypothesis is that the impact of EDR should be more visible with
multiple segments because EDR constructs separate sub-readers and enums for
each segment, so the overhead should be multiplied. Whether that's the case -
well, we can now test and verify it :)
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