Skip to content

Add KVIN ingestion benchmarks for CSV and JSON processing #52

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wmehling wants to merge 5 commits into
base: main
Choose a base branch
from
Open

Add KVIN ingestion benchmarks for CSV and JSON processing #52

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
aa4cd18
Add KVIN ingestion benchmarks for CSV and JSON processing
wmehling Jul 17, 2026
5409773
Adapt to pull-based JsonFormatParser
kenwenzel Jul 20, 2026
2c99e8b
Use sorted JSON payload.
kenwenzel Jul 20, 2026
733a33d
Replace reflection for direct class names
wmehling Jul 21, 2026
0d444e0
Add deterministic KVIN benchmark variants
wmehling Jul 21, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,7 @@ select ?time ?value {
## Building
* This is a plain Maven project
* a full build can be executed via `mvn package`
* KVIN ingestion benchmark instructions are in [docs/benchmarks/kvin-ingestion.md](docs/benchmarks/kvin-ingestion.md)

## Running
* change to the folder `launch/equinox`
Expand Down
23 changes: 23 additions & 0 deletions ...actory.core/src/test/java/io/github/linkedfactory/core/kvin/util/CsvFormatParserTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.List;

import static org.junit.Assert.*;
Expand Down Expand Up @@ -148,4 +149,26 @@ public void shouldParseCsvDoubleValues() throws IOException {
assertFalse(tuples.hasNext());
}

@Test
public void shouldInterpretCsvValueTypes() throws IOException {
CsvFormatParser csvParser = new CsvFormatParser(URIs.createURI("urn:base:"), ';',
new ByteArrayInputStream("time;value\n123;42\n124;3.25\n125;TrUe\n126;\"quoted\"\n127;plain\n128;1.234,56\n"
.getBytes(StandardCharsets.UTF_8)));
IExtendedIterator<KvinTuple> tuples = csvParser.parse();
assertNotNull(tuples);

assertValue(tuples.next(), Long.class, 42L);
assertValue(tuples.next(), Double.class, 3.25d);
assertValue(tuples.next(), Boolean.class, true);
assertValue(tuples.next(), String.class, "quoted");
assertValue(tuples.next(), String.class, "plain");
assertValue(tuples.next(), Double.class, 1234.56d);
assertFalse(tuples.hasNext());
}

private static void assertValue(KvinTuple tuple, Class<?> type, Object expected) {
assertEquals(type, tuple.value.getClass());
assertEquals(expected, tuple.value);
}

}
51 changes: 51 additions & 0 deletions bundles/io.github.linkedfactory.service/pom.xml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -222,4 +222,55 @@
</plugin>
</plugins>
</build>

<profiles>
<profile>
<id>jmh</id>
<properties>
<jmh.includes>io.github.linkedfactory.service.benchmark.KvinIngestionBenchmark</jmh.includes>
<jmh.result.format>json</jmh.result.format>
<jmh.result.file>${project.build.directory}/jmh-result.json</jmh.result.file>
<jmh.warmups>3</jmh.warmups>
<jmh.warmup.time>3s</jmh.warmup.time>
<jmh.measurements>5</jmh.measurements>
<jmh.measurement.time>3s</jmh.measurement.time>
<jmh.forks>2</jmh.forks>
<jmh.temp.root></jmh.temp.root>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>3.5.0</version>
<configuration>
<executable>${java.home}/bin/java</executable>
<classpathScope>test</classpathScope>
<arguments>
<argument>-Djmh.temp.root=${jmh.temp.root}</argument>
<argument>-cp</argument>
<classpath/>
<argument>org.openjdk.jmh.Main</argument>
<argument>${jmh.includes}</argument>
<argument>-wi</argument>
<argument>${jmh.warmups}</argument>
<argument>-w</argument>
<argument>${jmh.warmup.time}</argument>
<argument>-i</argument>
<argument>${jmh.measurements}</argument>
<argument>-r</argument>
<argument>${jmh.measurement.time}</argument>
<argument>-f</argument>
<argument>${jmh.forks}</argument>
<argument>-rf</argument>
<argument>${jmh.result.format}</argument>
<argument>-rff</argument>
<argument>${jmh.result.file}</argument>
</arguments>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
</project>
10 changes: 6 additions & 4 deletions ...b.linkedfactory.service/src/test/java/io/github/linkedfactory/core/kvin/KvinHttpTest.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,15 +92,17 @@ public Function0<Box<LiftResponse>> apply(Req in) {
}

@BeforeClass
public static void setupClass() throws ClassNotFoundException {
public static void setupClass() {
// create configuration and a model set factory
KommaModule module = ModelPlugin.createModelSetModule(Class.forName("net.enilink.komma.model.ModelPlugin").getClassLoader());
IModelSetFactory factory = (IModelSetFactory) Guice.createInjector(new ModelSetModule(module)).getInstance(Class.forName("net.enilink.komma.model.IModelSetFactory"));
KommaModule module = ModelPlugin.createModelSetModule(ModelPlugin.class.getClassLoader());
IModelSetFactory factory =
Guice.createInjector(new ModelSetModule(module))
.getInstance(IModelSetFactory.class);
// create a model set with an in-memory repository
modelSet = factory.createModelSet(MODELS.NAMESPACE_URI.appendFragment("MemoryModelSet"));
Globals.contextModelSet().theDefault().set(VendorJ.vendor(new Full(modelSet)));
}

@AfterClass
public static void tearDownClass() {
modelSet.dispose();
Expand Down
Loading