feat(bench): JMH microbenchmarks module + manual CI job
CEO plan v1 polish — закрывает gap "JMH performance benchmarks в CI для baseline + Redis-enabled scenarios". New module: - ordinis-bench/ — JMH 1.37 microbenchmarks. Gated behind `bench` Maven profile в parent pom — НЕ строится при обычном `mvn package` (default CI остаётся быстрым). - maven-shade-plugin под `bench` profile собирает uber-jar `target/benchmarks.jar` (86 MB, ~12 sec build). - LineageBenchmark covers hot paths из dict-relationships-v2: * parseRef_simple / withSchemaButNoOnClose / withOnClose * onCloseAction_block / cascade / null * schemaTraversal_findRefs (40 props, 5 refs — realistic shape) Baseline numbers (M3 MBP, JDK 25, single thread): - onCloseAction_*: 0.6–12 ns/op - parseRef_*: 20–93 ns/op - schemaTraversal: 417 ns/op (~83 ns per ref на 40 props) Cumulative budget for findSchemaDependents на 40 dicts × 40 props × 5 refs: ~17 µs. p99 endpoint SLO = 200 ms — запас 4 порядка. README documents budget + 2x regression alarm. CI integration: - New job maven-bench (stage: test). Manual trigger only: * RUN_BENCH=true variable, OR * web pipeline source с manual click. - Default CI (push/merge) НЕ запускает bench — slow + noisy в history. - Output artifacts: bench-results.json + bench-results.txt (5 day expire). - Quick smoke config: 1 fork, 2 warmups, 3 measurements × 2s = ~5 min total. Side effect: ReferenceValidator.parseRef static methods переведены из package-private в public. Они и так часть public ParsedRef contract — visible to bench module без изменения design intent. Verify: - mvn -P bench -pl ordinis-bench -am package: BUILD SUCCESS (12s). - java -jar benchmarks.jar -f 1 -wi 1 -i 2 Lineage: all 7 benchmarks exec'ятся, valid ns/op numbers. - mvn -pl ordinis-rest-api -am test: 106/106 PASS unchanged. - glab ci lint: clean. README в ordinis-bench/README.md документирует: - baseline numbers + 2x regression budget - local run options (smoke / full / GC profile / JSON output) - when CI bench runs (manual web trigger) - difference vs k6/wrk (HTTP load tests are different layer, both needed) - how to add new benchmark
This commit is contained in:
Zimin A.N.
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>cloud.nstart.terravault.ordinis</groupId>
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<artifactId>ordinis-parent</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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</parent>
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<artifactId>ordinis-bench</artifactId>
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<name>Ordinis :: Benchmarks</name>
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<description>JMH microbenchmarks for hot paths. Не deployable — runs ad-hoc
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via `mvn -P bench package` + `java -jar target/benchmarks.jar`. Catches
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algorithmic complexity regressions (например parseRef становится O(n²),
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schema traversal превышает 1ms на 100 dicts).</description>
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<properties>
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<jmh.version>1.37</jmh.version>
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<skip.bench>true</skip.bench>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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<scope>provided</scope>
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</dependency>
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<!-- Production deps мы измеряем. -->
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<dependency>
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<groupId>cloud.nstart.terravault.ordinis</groupId>
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<artifactId>ordinis-rest-api</artifactId>
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<version>${project.version}</version>
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</dependency>
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<dependency>
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<groupId>cloud.nstart.terravault.ordinis</groupId>
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<artifactId>ordinis-domain</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<!-- JMH annotation processor pulled через jmh-generator-annprocess (provided). -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<annotationProcessorPaths>
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<path>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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<!-- Surefire skip: бенчи в src/main, тестов нет. -->
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-surefire-plugin</artifactId>
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<configuration>
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<skip>true</skip>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<profiles>
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<!--
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Profile `bench`: собирает uber-jar `target/benchmarks.jar` через
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maven-shade. Активируется через `mvn -P bench package`. По default
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выключен — обычный `mvn package` не строит JMH JAR (медленно, не нужно).
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После build:
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java -jar target/benchmarks.jar -h # all options
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java -jar target/benchmarks.jar Lineage # filter benchmarks
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java -jar target/benchmarks.jar -prof gc # GC profiler
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-->
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<profile>
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<id>bench</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-shade-plugin</artifactId>
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<executions>
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<execution>
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<!-- unique id чтобы не конфликтовать с parent's default. -->
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<id>jmh-uber-jar</id>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<finalName>benchmarks</finalName>
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<transformers>
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<transformer
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implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
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<manifestEntries>
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<Main-Class>org.openjdk.jmh.Main</Main-Class>
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</manifestEntries>
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</transformer>
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<transformer
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implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
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</transformers>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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</project>
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