From https://github.com/viritin/svg-visualizations * branch main -> FETCH_HEAD Already on 'main' Your branch is up to date with 'origin/main'. HEAD is now at 8144624 deps so that they build also with Spring Boot 404 aka Jackson not Found $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.491 s [INFO] Finished at: 2026-06-08T14:34:10Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set (default-cli) @ svg-visualizations --- [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations [INFO] Processing change of in.virit:vaadin-bom:1.0.1-SNAPSHOT -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.548 s [INFO] Finished at: 2026-06-08T14:34:14Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 100, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target [INFO] [INFO] --- flatten:1.7.0:clean (flatten.clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/.flattened-pom.xml [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/main/resources [INFO] [INFO] --- flatten:1.7.0:flatten (flatten) @ svg-visualizations --- [INFO] Generating flattened POM of project in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 source files with javac [debug release 21] to target/classes [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ svg-visualizations --- [INFO] Recompiling the module because of changed dependency. [INFO] Compiling 13 source files with javac [debug release 21] to target/test-classes [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java uses or overrides a deprecated API. [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: Recompile with -Xlint:deprecation for details. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ svg-visualizations --- [INFO] Using auto detected provider org.apache.maven.surefire.junitplatform.JUnitPlatformProvider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-08T13:29:45.264773848Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 14:34:48.235 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 1.47 ms | 1.88 ms | 1.49 ms 1,000 | 3.05 ms | 4.18 ms | 3.30 ms 10,000 | 24.28 ms | 4.16 ms | 6.25 ms 49,871 | 27.93 ms | 2.73 ms | 54.70 ms 97,643 | 128.45 ms | 8.06 ms | 6.53 ms 495,995 | 349.92 ms | 42.18 ms | 30.10 ms 944,282 | 672.08 ms | 125.39 ms | 103.55 ms Note: Times include full SVG element creation and DOM operations. === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 600.2 µs | 2.42 ms | 3.02 ms 10,000 | 3.31 ms | 1.85 ms | 5.16 ms 50,000 | 24.69 ms | 2.14 ms | 26.84 ms 100,000 | 10.46 ms | 2.13 ms | 12.59 ms 500,000 | 52.46 ms | 1.50 ms | 53.96 ms 948,423 | 43.66 ms | 601.4 µs | 44.26 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 6.19 ms ( 0.4x) | 1.46 ms ( 0.6x) | 927.1 µs ( 0.5x) 2x | 19,996 | 13.35 ms ( 0.8x) | 2.29 ms ( 1.0x) | 917.9 µs ( 0.5x) 5x | 49,871 | 57.53 ms ( 3.6x) | 7.00 ms ( 3.0x) | 7.02 ms ( 3.6x) 10x | 97,643 | 42.61 ms ( 2.7x) | 12.53 ms ( 5.4x) | 5.63 ms ( 2.9x) 20x | 196,569 | 141.37 ms ( 8.8x) | 9.87 ms ( 4.2x) | 7.68 ms ( 4.0x) 50x | 495,995 | 291.03 ms (18.2x) | 57.38 ms (24.6x) | 17.97 ms ( 9.3x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. === Output Size vs Draw Time === Comparing output point count and actual draw time... Input Points | MA Elements | MA Draw Time | RDP Elements | RDP Draw Time -------------|-------------|----------------|--------------|---------------- 1,000 | 5 | 1.42 ms | 5 | 1.73 ms 10,000 | 5 | 1.48 ms | 5 | 1.86 ms 97,643 | 5 | 5.09 ms | 5 | 7.40 ms 495,995 | 5 | 60.35 ms | 5 | 70.75 ms 944,282 | 5 | 150.50 ms | 5 | 58.98 ms Element count reflects SVG complexity after smoothing. === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 11.45 ms | 6.81 ms 2 | 25.44 ms | 17.58 ms 3 | 14.39 ms | 18.30 ms 5 | 28.83 ms | 28.58 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.47 ms (baseline: 2.65 ms, -44.5%) ✓ sparkline.movingAvg.100: 1.88 ms (baseline: 3.89 ms, -51.6%) ✓ sparkline.rdp.100: 1.49 ms (baseline: 3.86 ms, -61.5%) ✓ sparkline.none.1000: 3.05 ms (baseline: 3.89 ms, -21.6%) ⚠️ sparkline.movingAvg.1000: 4.18 ms (baseline: 1.39 ms, +200.3%) ⚠️ sparkline.rdp.1000: 3.30 ms (baseline: 1.46 ms, +126.6%) sparkline.none.10000: 24.28 ms (baseline: 22.40 ms, +8.4%) ✓ sparkline.movingAvg.10000: 4.16 ms (baseline: 5.46 ms, -23.9%) ✓ sparkline.rdp.10000: 6.25 ms (baseline: 10.38 ms, -39.8%) ✓ sparkline.none.50000: 27.93 ms (baseline: 48.06 ms, -41.9%) ✓ sparkline.movingAvg.50000: 2.73 ms (baseline: 3.94 ms, -30.8%) ✓ sparkline.rdp.50000: 54.70 ms (baseline: 71.15 ms, -23.1%) ⚠️ sparkline.none.100000: 128.45 ms (baseline: 92.33 ms, +39.1%) sparkline.movingAvg.100000: 8.06 ms (baseline: 8.94 ms, -9.8%) ✓ sparkline.rdp.100000: 6.53 ms (baseline: 11.85 ms, -44.9%) sparkline.none.500000: 349.92 ms (baseline: 359.24 ms, -2.6%) ⚠️ sparkline.movingAvg.500000: 42.18 ms (baseline: 35.03 ms, +20.4%) ✓ sparkline.rdp.500000: 30.10 ms (baseline: 39.38 ms, -23.6%) sparkline.none.948423: 672.08 ms (baseline: 626.19 ms, +7.3%) ✓ sparkline.movingAvg.948423: 125.39 ms (baseline: 142.32 ms, -11.9%) ✓ sparkline.rdp.948423: 103.55 ms (baseline: 148.06 ms, -30.1%) ⚠️ windrose.aggregation.1000: 600.2 µs (baseline: 432.2 µs, +38.9%) ⚠️ windrose.draw.1000: 2.42 ms (baseline: 903.6 µs, +168.1%) ⚠️ windrose.aggregation.10000: 3.31 ms (baseline: 1.56 ms, +112.1%) ⚠️ windrose.draw.10000: 1.85 ms (baseline: 937.8 µs, +97.4%) ⚠️ windrose.aggregation.50000: 24.69 ms (baseline: 16.53 ms, +49.4%) ⚠️ windrose.draw.50000: 2.14 ms (baseline: 1.56 ms, +37.5%) ⚠️ windrose.aggregation.100000: 10.46 ms (baseline: 6.93 ms, +50.9%) ⚠️ windrose.draw.100000: 2.13 ms (baseline: 1.41 ms, +50.9%) ⚠️ windrose.aggregation.500000: 52.46 ms (baseline: 41.19 ms, +27.4%) windrose.draw.500000: 1.50 ms (baseline: 1.29 ms, +15.9%) ✓ windrose.aggregation.948423: 43.66 ms (baseline: 93.83 ms, -53.5%) ✓ windrose.draw.948423: 601.4 µs (baseline: 1.13 ms, -46.9%) ✓ scaling.none.1x: 6.19 ms (baseline: 8.89 ms, -30.4%) ✓ scaling.movingAvg.1x: 1.46 ms (baseline: 3.40 ms, -57.0%) scaling.rdp.1x: 927.1 µs (baseline: 894.6 µs, +3.6%) ✓ scaling.none.2x: 13.35 ms (baseline: 21.89 ms, -39.0%) ⚠️ scaling.movingAvg.2x: 2.29 ms (baseline: 1.04 ms, +121.0%) scaling.rdp.2x: 917.9 µs (baseline: 830.4 µs, +10.5%) ⚠️ scaling.none.5x: 57.53 ms (baseline: 37.92 ms, +51.7%) scaling.movingAvg.5x: 7.00 ms (baseline: 6.40 ms, +9.5%) scaling.rdp.5x: 7.02 ms (baseline: 6.53 ms, +7.4%) scaling.none.10x: 42.61 ms (baseline: 45.82 ms, -7.0%) ⚠️ scaling.movingAvg.10x: 12.53 ms (baseline: 5.04 ms, +148.6%) ✓ scaling.rdp.10x: 5.63 ms (baseline: 6.35 ms, -11.4%) scaling.none.20x: 141.37 ms (baseline: 131.22 ms, +7.7%) scaling.movingAvg.20x: 9.87 ms (baseline: 10.90 ms, -9.4%) ✓ scaling.rdp.20x: 7.68 ms (baseline: 14.12 ms, -45.6%) scaling.none.50x: 291.03 ms (baseline: 319.89 ms, -9.0%) ⚠️ scaling.movingAvg.50x: 57.38 ms (baseline: 45.06 ms, +27.4%) ✓ scaling.rdp.50x: 17.97 ms (baseline: 27.77 ms, -35.3%) ⚠️ multiseries.movingAvg.1series: 11.45 ms (baseline: 5.15 ms, +122.3%) multiseries.rdp.1series: 6.81 ms (baseline: 6.23 ms, +9.3%) ⚠️ multiseries.movingAvg.2series: 25.44 ms (baseline: 19.91 ms, +27.8%) ⚠️ multiseries.rdp.2series: 17.58 ms (baseline: 10.67 ms, +64.8%) ✓ multiseries.movingAvg.3series: 14.39 ms (baseline: 16.10 ms, -10.6%) ✓ multiseries.rdp.3series: 18.30 ms (baseline: 22.79 ms, -19.7%) multiseries.movingAvg.5series: 28.83 ms (baseline: 27.58 ms, +4.5%) ✓ multiseries.rdp.5series: 28.58 ms (baseline: 33.75 ms, -15.3%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [WARNING] Tests run: 6, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 43.84 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.026 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.020 s -- in org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Running org.vaadin.svgvis.SessionWeightTest Loaded 948423 weather records for testing === DataPoints Session Weight Analysis === Measuring serialized size of SvgSparkLine.DataPoint lists... Data points: 100 -> Serialized: 2.3 KB (23.2 bytes/point) Data points: 1,000 -> Serialized: 21.6 KB (22.1 bytes/point) Data points: 10,000 -> Serialized: 215.0 KB (22.0 bytes/point) Data points: 49,871 -> Serialized: 1.0 MB (22.0 bytes/point) Data points: 97,643 -> Serialized: 2.0 MB (22.0 bytes/point) Data points: 495,995 -> Serialized: 10.4 MB (22.0 bytes/point) Data points: 944,282 -> Serialized: 19.8 MB (22.0 bytes/point) === WindRose Data Session Weight Analysis === WindRose aggregates data into fixed sectors, so weight is constant. Input records: 100 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 1,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 10,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 50,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 100,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 500,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 948,423 -> Aggregated to 16 sectors -> Serialized: 505 B Conclusion: WindRose weight is ~constant regardless of input size! === Session Weight Growth Comparison === Comparing growth patterns of different data storage approaches... Size | Raw Data | Before Draw | After Smooth | After Draw | WindRose -------------|----------------|----------------|----------------|----------------|---------- 1,000 | 259.4 KB | 21.6 KB | 1.2 KB | 58 B | 155 B 10,000 | 2.5 MB | 215.0 KB | 1.2 KB | 58 B | 155 B 100,000 | 25.3 MB | 2.1 MB | 1.2 KB | 58 B | 155 B 948,423 | 239.7 MB | 19.9 MB | 1.2 KB | 58 B | 155 B Key insight: After draw(), SparkLine clears all data - session weight is ~0! Data is only needed during draw(), SVG elements retain the visualization. === Raw Weather Data Session Weight === For comparison: size of raw RawWeatherStationData objects... Raw records: 100 -> Serialized: 26.4 KB (271 bytes/record) Raw records: 1,000 -> Serialized: 259.4 KB (266 bytes/record) Raw records: 10,000 -> Serialized: 2.5 MB (265 bytes/record) Raw records: 50,000 -> Serialized: 12.6 MB (265 bytes/record) Raw records: 100,000 -> Serialized: 25.3 MB (265 bytes/record) Raw records: 500,000 -> Serialized: 126.4 MB (265 bytes/record) Raw records: 948,423 -> Serialized: 239.7 MB (265 bytes/record) === RDP Algorithm Point Reduction === Measuring how RDP reduces data points while preserving shape... Input Points | RDP Points | Reduction | Serialized Size -------------|------------|-----------|---------------- 100 | 40 | 60.0% | 997 B 1,000 | 132 | 86.8% | 3.0 KB 10,000 | 84 | 99.2% | 1.9 KB 49,871 | 94 | 99.8% | 2.1 KB 97,643 | 95 | 99.9% | 2.2 KB 944,282 | 187 | 100.0% | 4.1 KB RDP preserves shape-significant points, so reduction varies with data complexity. [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 19.84 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, Failures: 0, Errors: 0, Skipped: 1 [INFO] [INFO] [INFO] --- jar:3.5.0:jar (default-jar) @ svg-visualizations --- [INFO] Building jar: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target/svg-visualizations-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:13 min [INFO] Finished at: 2026-06-08T14:35:37Z [INFO] ------------------------------------------------------------------------