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Zimin A.N. c11044c32e 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
2026-05-08 12:22:18 +03:00

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XML

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>cloud.nstart.terravault.ordinis</groupId>
<artifactId>ordinis-parent</artifactId>
<version>0.1.0-SNAPSHOT</version>
</parent>
<artifactId>ordinis-bench</artifactId>
<name>Ordinis :: Benchmarks</name>
<description>JMH microbenchmarks for hot paths. Не deployable — runs ad-hoc
via `mvn -P bench package` + `java -jar target/benchmarks.jar`. Catches
algorithmic complexity regressions (например parseRef становится O(n²),
schema traversal превышает 1ms на 100 dicts).</description>
<properties>
<jmh.version>1.37</jmh.version>
<skip.bench>true</skip.bench>
</properties>
<dependencies>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-core</artifactId>
<version>${jmh.version}</version>
</dependency>
<dependency>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh.version}</version>
<scope>provided</scope>
</dependency>
<!-- Production deps мы измеряем. -->
<dependency>
<groupId>cloud.nstart.terravault.ordinis</groupId>
<artifactId>ordinis-rest-api</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>cloud.nstart.terravault.ordinis</groupId>
<artifactId>ordinis-domain</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<!-- JMH annotation processor pulled через jmh-generator-annprocess (provided). -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<annotationProcessorPaths>
<path>
<groupId>org.openjdk.jmh</groupId>
<artifactId>jmh-generator-annprocess</artifactId>
<version>${jmh.version}</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
<!-- Surefire skip: бенчи в src/main, тестов нет. -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<!--
Profile `bench`: собирает uber-jar `target/benchmarks.jar` через
maven-shade. Активируется через `mvn -P bench package`. По default
выключен — обычный `mvn package` не строит JMH JAR (медленно, не нужно).
После build:
java -jar target/benchmarks.jar -h # all options
java -jar target/benchmarks.jar Lineage # filter benchmarks
java -jar target/benchmarks.jar -prof gc # GC profiler
-->
<profile>
<id>bench</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<executions>
<execution>
<!-- unique id чтобы не конфликтовать с parent's default. -->
<id>jmh-uber-jar</id>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<finalName>benchmarks</finalName>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Main-Class>org.openjdk.jmh.Main</Main-Class>
</manifestEntries>
</transformer>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
</transformers>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>