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: 2.873 s [INFO] Finished at: 2026-06-13T04:34:34Z [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: 2.438 s [INFO] Finished at: 2026-06-13T04:34:39Z [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: 2026-06-13T01:55:21.264420581Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:35:15.071 [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 | 3.26 ms | 2.16 ms | 1.83 ms 1,000 | 9.20 ms | 1.78 ms | 2.29 ms 10,000 | 15.22 ms | 6.91 ms | 9.57 ms 49,871 | 34.19 ms | 3.24 ms | 91.38 ms 97,643 | 106.37 ms | 8.76 ms | 9.44 ms 495,995 | 372.16 ms | 50.37 ms | 28.93 ms 944,282 | 679.86 ms | 103.71 ms | 86.66 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 | 5.48 ms | 3.71 ms | 9.19 ms 10,000 | 10.61 ms | 1.88 ms | 12.49 ms 50,000 | 16.75 ms | 3.63 ms | 20.38 ms 100,000 | 10.96 ms | 2.06 ms | 13.02 ms 500,000 | 54.88 ms | 2.65 ms | 57.53 ms 948,423 | 70.74 ms | 1.27 ms | 72.01 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 | 4.71 ms ( 1.0x) | 685.3 µs ( 0.7x) | 843.5 µs ( 1.2x) 2x | 19,996 | 24.57 ms ( 5.0x) | 2.20 ms ( 2.3x) | 3.93 ms ( 5.7x) 5x | 49,871 | 48.45 ms ( 9.9x) | 7.43 ms ( 7.8x) | 3.74 ms ( 5.5x) 10x | 97,643 | 58.98 ms (12.0x) | 5.97 ms ( 6.2x) | 4.63 ms ( 6.8x) 20x | 196,569 | 148.00 ms (30.2x) | 11.27 ms (11.8x) | 7.53 ms (11.0x) 50x | 495,995 | 345.34 ms (70.4x) | 63.23 ms (66.0x) | 36.76 ms (53.8x) 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 | 170.4 µs | 5 | 769.5 µs 10,000 | 5 | 1.11 ms | 5 | 510.7 µs 97,643 | 5 | 9.73 ms | 5 | 34.47 ms 495,995 | 5 | 66.25 ms | 5 | 50.99 ms 944,282 | 5 | 126.96 ms | 5 | 59.86 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 | 10.36 ms | 9.68 ms 2 | 28.64 ms | 16.52 ms 3 | 20.19 ms | 22.67 ms 5 | 37.45 ms | 33.96 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.26 ms (baseline: 3.86 ms, -15.6%) ✓ sparkline.movingAvg.100: 2.16 ms (baseline: 3.25 ms, -33.6%) ✓ sparkline.rdp.100: 1.83 ms (baseline: 3.78 ms, -51.5%) ⚠️ sparkline.none.1000: 9.20 ms (baseline: 5.56 ms, +65.6%) ✓ sparkline.movingAvg.1000: 1.78 ms (baseline: 3.18 ms, -44.2%) ✓ sparkline.rdp.1000: 2.29 ms (baseline: 6.73 ms, -66.0%) ⚠️ sparkline.none.10000: 15.22 ms (baseline: 9.85 ms, +54.6%) ⚠️ sparkline.movingAvg.10000: 6.91 ms (baseline: 4.61 ms, +49.9%) sparkline.rdp.10000: 9.57 ms (baseline: 8.05 ms, +18.9%) sparkline.none.50000: 34.19 ms (baseline: 35.02 ms, -2.4%) sparkline.movingAvg.50000: 3.24 ms (baseline: 3.01 ms, +7.7%) sparkline.rdp.50000: 91.38 ms (baseline: 100.20 ms, -8.8%) sparkline.none.100000: 106.37 ms (baseline: 110.18 ms, -3.5%) ✓ sparkline.movingAvg.100000: 8.76 ms (baseline: 21.19 ms, -58.7%) ✓ sparkline.rdp.100000: 9.44 ms (baseline: 17.11 ms, -44.8%) sparkline.none.500000: 372.16 ms (baseline: 347.97 ms, +7.0%) ⚠️ sparkline.movingAvg.500000: 50.37 ms (baseline: 33.71 ms, +49.4%) ✓ sparkline.rdp.500000: 28.93 ms (baseline: 37.20 ms, -22.2%) sparkline.none.948423: 679.86 ms (baseline: 592.18 ms, +14.8%) ✓ sparkline.movingAvg.948423: 103.71 ms (baseline: 158.33 ms, -34.5%) ✓ sparkline.rdp.948423: 86.66 ms (baseline: 140.14 ms, -38.2%) ⚠️ windrose.aggregation.1000: 5.48 ms (baseline: 2.96 ms, +85.0%) ⚠️ windrose.draw.1000: 3.71 ms (baseline: 2.22 ms, +67.0%) ⚠️ windrose.aggregation.10000: 10.61 ms (baseline: 1.90 ms, +457.1%) ⚠️ windrose.draw.10000: 1.88 ms (baseline: 1.47 ms, +27.6%) ⚠️ windrose.aggregation.50000: 16.75 ms (baseline: 11.23 ms, +49.2%) ⚠️ windrose.draw.50000: 3.63 ms (baseline: 1.43 ms, +153.1%) ⚠️ windrose.aggregation.100000: 10.96 ms (baseline: 5.99 ms, +83.0%) windrose.draw.100000: 2.06 ms (baseline: 1.95 ms, +5.7%) ⚠️ windrose.aggregation.500000: 54.88 ms (baseline: 34.27 ms, +60.1%) ⚠️ windrose.draw.500000: 2.65 ms (baseline: 626.7 µs, +322.5%) windrose.aggregation.948423: 70.74 ms (baseline: 67.61 ms, +4.6%) ⚠️ windrose.draw.948423: 1.27 ms (baseline: 664.1 µs, +91.6%) ✓ scaling.none.1x: 4.71 ms (baseline: 8.69 ms, -45.9%) ✓ scaling.movingAvg.1x: 685.3 µs (baseline: 1.29 ms, -47.0%) ✓ scaling.rdp.1x: 843.5 µs (baseline: 2.27 ms, -62.8%) scaling.none.2x: 24.57 ms (baseline: 25.68 ms, -4.3%) scaling.movingAvg.2x: 2.20 ms (baseline: 2.15 ms, +2.4%) ⚠️ scaling.rdp.2x: 3.93 ms (baseline: 1.01 ms, +286.9%) ⚠️ scaling.none.5x: 48.45 ms (baseline: 24.72 ms, +96.0%) ⚠️ scaling.movingAvg.5x: 7.43 ms (baseline: 5.53 ms, +34.4%) ⚠️ scaling.rdp.5x: 3.74 ms (baseline: 1.93 ms, +93.7%) scaling.none.10x: 58.98 ms (baseline: 54.51 ms, +8.2%) ✓ scaling.movingAvg.10x: 5.97 ms (baseline: 8.20 ms, -27.3%) ✓ scaling.rdp.10x: 4.63 ms (baseline: 7.64 ms, -39.4%) ⚠️ scaling.none.20x: 148.00 ms (baseline: 108.89 ms, +35.9%) ✓ scaling.movingAvg.20x: 11.27 ms (baseline: 15.25 ms, -26.1%) ✓ scaling.rdp.20x: 7.53 ms (baseline: 15.66 ms, -51.9%) scaling.none.50x: 345.34 ms (baseline: 310.26 ms, +11.3%) ⚠️ scaling.movingAvg.50x: 63.23 ms (baseline: 41.74 ms, +51.5%) ⚠️ scaling.rdp.50x: 36.76 ms (baseline: 24.20 ms, +51.9%) multiseries.movingAvg.1series: 10.36 ms (baseline: 9.91 ms, +4.5%) ⚠️ multiseries.rdp.1series: 9.68 ms (baseline: 3.98 ms, +143.4%) ⚠️ multiseries.movingAvg.2series: 28.64 ms (baseline: 8.33 ms, +244.0%) multiseries.rdp.2series: 16.52 ms (baseline: 14.73 ms, +12.2%) ✓ multiseries.movingAvg.3series: 20.19 ms (baseline: 32.17 ms, -37.2%) ✓ multiseries.rdp.3series: 22.67 ms (baseline: 28.12 ms, -19.4%) ⚠️ multiseries.movingAvg.5series: 37.45 ms (baseline: 21.06 ms, +77.9%) multiseries.rdp.5series: 33.96 ms (baseline: 28.85 ms, +17.7%) 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: 44.22 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: 0.008 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: 0.008 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: 21.03 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: 2026-06-13T04:36:05Z [INFO] ------------------------------------------------------------------------