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=25.2-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: 2.536 s [INFO] Finished at: 2026-06-14T04:35:32Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.316 s [INFO] Finished at: 2026-06-14T04:35:37Z [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: 2026-06-14T01:59:13.950724865Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:36:12.478 [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 | 3.49 ms | 3.07 ms | 2.99 ms 1,000 | 6.62 ms | 3.91 ms | 3.89 ms 10,000 | 23.49 ms | 5.53 ms | 12.15 ms 49,871 | 28.29 ms | 2.87 ms | 81.72 ms 97,643 | 82.85 ms | 12.44 ms | 29.59 ms 495,995 | 446.90 ms | 40.99 ms | 31.79 ms 944,282 | 627.45 ms | 138.54 ms | 139.38 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 | 576.6 µs | 1.62 ms | 2.20 ms 10,000 | 1.78 ms | 5.50 ms | 7.27 ms 50,000 | 16.32 ms | 2.56 ms | 18.87 ms 100,000 | 13.34 ms | 5.21 ms | 18.55 ms 500,000 | 41.73 ms | 1.58 ms | 43.32 ms 948,423 | 300.84 ms | 623.0 µs | 301.46 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 | 5.11 ms ( 0.6x) | 607.9 µs ( 0.2x) | 494.3 µs ( 0.8x) 2x | 19,996 | 9.17 ms ( 1.1x) | 1.97 ms ( 0.7x) | 962.6 µs ( 1.6x) 5x | 49,871 | 34.79 ms ( 4.0x) | 2.95 ms ( 1.0x) | 2.80 ms ( 4.8x) 10x | 97,643 | 49.89 ms ( 5.8x) | 6.88 ms ( 2.4x) | 5.42 ms ( 9.2x) 20x | 196,569 | 145.72 ms (16.8x) | 11.46 ms ( 4.1x) | 10.23 ms (17.4x) 50x | 495,995 | 359.90 ms (41.6x) | 44.77 ms (15.9x) | 56.66 ms (96.2x) 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 | 725.4 µs | 5 | 195.2 µs 10,000 | 5 | 1.20 ms | 5 | 768.5 µs 97,643 | 5 | 7.78 ms | 5 | 3.42 ms 495,995 | 5 | 45.93 ms | 5 | 79.20 ms 944,282 | 5 | 111.46 ms | 5 | 65.93 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 | 7.33 ms | 4.58 ms 2 | 18.10 ms | 13.75 ms 3 | 30.23 ms | 29.52 ms 5 | 27.21 ms | 32.52 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.49 ms (baseline: 3.24 ms, +7.6%) ✓ sparkline.movingAvg.100: 3.07 ms (baseline: 4.79 ms, -35.9%) sparkline.rdp.100: 2.99 ms (baseline: 3.26 ms, -8.3%) ⚠️ sparkline.none.1000: 6.62 ms (baseline: 4.65 ms, +42.3%) ✓ sparkline.movingAvg.1000: 3.91 ms (baseline: 8.04 ms, -51.4%) ⚠️ sparkline.rdp.1000: 3.89 ms (baseline: 1.50 ms, +158.6%) ⚠️ sparkline.none.10000: 23.49 ms (baseline: 14.40 ms, +63.0%) ✓ sparkline.movingAvg.10000: 5.53 ms (baseline: 6.97 ms, -20.7%) sparkline.rdp.10000: 12.15 ms (baseline: 11.84 ms, +2.6%) ✓ sparkline.none.50000: 28.29 ms (baseline: 53.76 ms, -47.4%) ✓ sparkline.movingAvg.50000: 2.87 ms (baseline: 6.73 ms, -57.4%) ⚠️ sparkline.rdp.50000: 81.72 ms (baseline: 44.22 ms, +84.8%) sparkline.none.100000: 82.85 ms (baseline: 87.02 ms, -4.8%) sparkline.movingAvg.100000: 12.44 ms (baseline: 13.59 ms, -8.5%) ⚠️ sparkline.rdp.100000: 29.59 ms (baseline: 6.43 ms, +359.9%) ⚠️ sparkline.none.500000: 446.90 ms (baseline: 363.30 ms, +23.0%) sparkline.movingAvg.500000: 40.99 ms (baseline: 36.70 ms, +11.7%) ✓ sparkline.rdp.500000: 31.79 ms (baseline: 36.32 ms, -12.5%) sparkline.none.948423: 627.45 ms (baseline: 592.88 ms, +5.8%) ⚠️ sparkline.movingAvg.948423: 138.54 ms (baseline: 103.87 ms, +33.4%) sparkline.rdp.948423: 139.38 ms (baseline: 143.57 ms, -2.9%) ⚠️ windrose.aggregation.1000: 576.6 µs (baseline: 390.2 µs, +47.8%) ✓ windrose.draw.1000: 1.62 ms (baseline: 3.20 ms, -49.4%) windrose.aggregation.10000: 1.78 ms (baseline: 1.52 ms, +16.7%) ⚠️ windrose.draw.10000: 5.50 ms (baseline: 2.33 ms, +136.4%) ✓ windrose.aggregation.50000: 16.32 ms (baseline: 21.34 ms, -23.6%) ⚠️ windrose.draw.50000: 2.56 ms (baseline: 1.88 ms, +36.1%) windrose.aggregation.100000: 13.34 ms (baseline: 11.86 ms, +12.4%) ⚠️ windrose.draw.100000: 5.21 ms (baseline: 1.48 ms, +251.1%) windrose.aggregation.500000: 41.73 ms (baseline: 42.02 ms, -0.7%) windrose.draw.500000: 1.58 ms (baseline: 1.41 ms, +12.6%) ⚠️ windrose.aggregation.948423: 300.84 ms (baseline: 51.83 ms, +480.5%) windrose.draw.948423: 623.0 µs (baseline: 675.6 µs, -7.8%) scaling.none.1x: 5.11 ms (baseline: 4.38 ms, +16.8%) ✓ scaling.movingAvg.1x: 607.9 µs (baseline: 696.0 µs, -12.7%) ✓ scaling.rdp.1x: 494.3 µs (baseline: 620.3 µs, -20.3%) ✓ scaling.none.2x: 9.17 ms (baseline: 18.68 ms, -50.9%) scaling.movingAvg.2x: 1.97 ms (baseline: 1.70 ms, +15.7%) ✓ scaling.rdp.2x: 962.6 µs (baseline: 1.18 ms, -18.7%) ✓ scaling.none.5x: 34.79 ms (baseline: 41.26 ms, -15.7%) ✓ scaling.movingAvg.5x: 2.95 ms (baseline: 4.85 ms, -39.1%) scaling.rdp.5x: 2.80 ms (baseline: 2.95 ms, -5.2%) scaling.none.10x: 49.89 ms (baseline: 50.13 ms, -0.5%) ✓ scaling.movingAvg.10x: 6.88 ms (baseline: 10.63 ms, -35.2%) ✓ scaling.rdp.10x: 5.42 ms (baseline: 6.05 ms, -10.4%) ⚠️ scaling.none.20x: 145.72 ms (baseline: 113.71 ms, +28.1%) scaling.movingAvg.20x: 11.46 ms (baseline: 11.46 ms, +0.0%) ✓ scaling.rdp.20x: 10.23 ms (baseline: 11.87 ms, -13.9%) scaling.none.50x: 359.90 ms (baseline: 350.90 ms, +2.6%) scaling.movingAvg.50x: 44.77 ms (baseline: 44.63 ms, +0.3%) ⚠️ scaling.rdp.50x: 56.66 ms (baseline: 25.74 ms, +120.1%) ✓ multiseries.movingAvg.1series: 7.33 ms (baseline: 11.68 ms, -37.2%) ✓ multiseries.rdp.1series: 4.58 ms (baseline: 6.73 ms, -31.9%) ✓ multiseries.movingAvg.2series: 18.10 ms (baseline: 21.43 ms, -15.5%) ✓ multiseries.rdp.2series: 13.75 ms (baseline: 15.72 ms, -12.5%) ⚠️ multiseries.movingAvg.3series: 30.23 ms (baseline: 14.10 ms, +114.4%) multiseries.rdp.3series: 29.52 ms (baseline: 24.82 ms, +18.9%) multiseries.movingAvg.5series: 27.21 ms (baseline: 23.55 ms, +15.5%) multiseries.rdp.5series: 32.52 ms (baseline: 29.84 ms, +9.0%) 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: 45.45 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: 0.024 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: 20.00 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: 01:16 min [INFO] Finished at: 2026-06-14T04:37:02Z [INFO] ------------------------------------------------------------------------