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: 2.400 s [INFO] Finished at: 2026-06-08T22:40:50Z [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: 2.081 s [INFO] Finished at: 2026-06-08T22:40:54Z [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: 2026-06-08T21:43:54.634998406Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:41:31.365 [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 | 5.07 ms | 4.45 ms | 3.92 ms 1,000 | 3.32 ms | 2.25 ms | 2.64 ms 10,000 | 30.59 ms | 9.57 ms | 10.88 ms 49,871 | 33.98 ms | 3.46 ms | 77.64 ms 97,643 | 57.09 ms | 7.37 ms | 6.32 ms 495,995 | 389.08 ms | 59.83 ms | 36.41 ms 944,282 | 627.98 ms | 144.00 ms | 94.28 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 | 399.0 µs | 2.49 ms | 2.89 ms 10,000 | 2.80 ms | 2.99 ms | 5.80 ms 50,000 | 11.68 ms | 774.0 µs | 12.45 ms 100,000 | 3.77 ms | 834.6 µs | 4.60 ms 500,000 | 18.76 ms | 707.1 µs | 19.47 ms 948,423 | 52.74 ms | 18.18 ms | 70.92 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 | 14.43 ms ( 2.1x) | 2.28 ms ( 1.0x) | 1.86 ms ( 1.1x) 2x | 19,996 | 17.90 ms ( 2.6x) | 3.79 ms ( 1.7x) | 2.25 ms ( 1.3x) 5x | 49,871 | 38.51 ms ( 5.7x) | 4.27 ms ( 1.9x) | 1.96 ms ( 1.2x) 10x | 97,643 | 57.75 ms ( 8.5x) | 6.10 ms ( 2.7x) | 5.16 ms ( 3.1x) 20x | 196,569 | 134.44 ms (19.8x) | 14.91 ms ( 6.7x) | 12.74 ms ( 7.6x) 50x | 495,995 | 297.71 ms (43.9x) | 38.84 ms (17.4x) | 32.27 ms (19.2x) 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 | 1.56 ms | 5 | 2.54 ms 10,000 | 5 | 2.39 ms | 5 | 1.34 ms 97,643 | 5 | 16.53 ms | 5 | 6.70 ms 495,995 | 5 | 51.83 ms | 5 | 29.70 ms 944,282 | 5 | 124.28 ms | 5 | 64.97 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 | 16.32 ms | 9.43 ms 2 | 25.04 ms | 18.92 ms 3 | 14.18 ms | 25.28 ms 5 | 37.26 ms | 39.40 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.07 ms (baseline: 3.02 ms, +67.9%) sparkline.movingAvg.100: 4.45 ms (baseline: 4.22 ms, +5.4%) sparkline.rdp.100: 3.92 ms (baseline: 3.37 ms, +16.2%) ✓ sparkline.none.1000: 3.32 ms (baseline: 6.51 ms, -49.1%) sparkline.movingAvg.1000: 2.25 ms (baseline: 2.15 ms, +4.8%) ✓ sparkline.rdp.1000: 2.64 ms (baseline: 3.05 ms, -13.6%) ⚠️ sparkline.none.10000: 30.59 ms (baseline: 25.22 ms, +21.3%) sparkline.movingAvg.10000: 9.57 ms (baseline: 9.32 ms, +2.7%) ⚠️ sparkline.rdp.10000: 10.88 ms (baseline: 7.84 ms, +38.8%) ✓ sparkline.none.50000: 33.98 ms (baseline: 46.82 ms, -27.4%) ✓ sparkline.movingAvg.50000: 3.46 ms (baseline: 6.73 ms, -48.6%) sparkline.rdp.50000: 77.64 ms (baseline: 82.36 ms, -5.7%) ✓ sparkline.none.100000: 57.09 ms (baseline: 117.01 ms, -51.2%) ⚠️ sparkline.movingAvg.100000: 7.37 ms (baseline: 5.09 ms, +44.7%) ✓ sparkline.rdp.100000: 6.32 ms (baseline: 10.69 ms, -40.9%) sparkline.none.500000: 389.08 ms (baseline: 346.33 ms, +12.3%) sparkline.movingAvg.500000: 59.83 ms (baseline: 54.24 ms, +10.3%) ⚠️ sparkline.rdp.500000: 36.41 ms (baseline: 26.44 ms, +37.7%) sparkline.none.948423: 627.98 ms (baseline: 624.22 ms, +0.6%) ⚠️ sparkline.movingAvg.948423: 144.00 ms (baseline: 109.75 ms, +31.2%) ✓ sparkline.rdp.948423: 94.28 ms (baseline: 150.07 ms, -37.2%) windrose.aggregation.1000: 399.0 µs (baseline: 412.3 µs, -3.2%) ⚠️ windrose.draw.1000: 2.49 ms (baseline: 1.39 ms, +78.9%) ✓ windrose.aggregation.10000: 2.80 ms (baseline: 4.43 ms, -36.8%) ⚠️ windrose.draw.10000: 2.99 ms (baseline: 740.5 µs, +304.2%) ⚠️ windrose.aggregation.50000: 11.68 ms (baseline: 7.57 ms, +54.2%) ✓ windrose.draw.50000: 774.0 µs (baseline: 1.45 ms, -46.6%) ✓ windrose.aggregation.100000: 3.77 ms (baseline: 15.27 ms, -75.3%) ✓ windrose.draw.100000: 834.6 µs (baseline: 1.72 ms, -51.4%) ✓ windrose.aggregation.500000: 18.76 ms (baseline: 25.95 ms, -27.7%) windrose.draw.500000: 707.1 µs (baseline: 733.9 µs, -3.6%) windrose.aggregation.948423: 52.74 ms (baseline: 44.53 ms, +18.4%) ⚠️ windrose.draw.948423: 18.18 ms (baseline: 663.0 µs, +2642.0%) scaling.none.1x: 14.43 ms (baseline: 14.41 ms, +0.2%) ⚠️ scaling.movingAvg.1x: 2.28 ms (baseline: 819.4 µs, +178.2%) ⚠️ scaling.rdp.1x: 1.86 ms (baseline: 696.7 µs, +167.0%) scaling.none.2x: 17.90 ms (baseline: 17.49 ms, +2.4%) ⚠️ scaling.movingAvg.2x: 3.79 ms (baseline: 2.42 ms, +56.6%) scaling.rdp.2x: 2.25 ms (baseline: 2.27 ms, -1.1%) scaling.none.5x: 38.51 ms (baseline: 38.54 ms, -0.1%) ✓ scaling.movingAvg.5x: 4.27 ms (baseline: 5.59 ms, -23.7%) ✓ scaling.rdp.5x: 1.96 ms (baseline: 4.22 ms, -53.5%) scaling.none.10x: 57.75 ms (baseline: 61.74 ms, -6.5%) ✓ scaling.movingAvg.10x: 6.10 ms (baseline: 13.44 ms, -54.6%) ✓ scaling.rdp.10x: 5.16 ms (baseline: 10.15 ms, -49.2%) scaling.none.20x: 134.44 ms (baseline: 122.57 ms, +9.7%) scaling.movingAvg.20x: 14.91 ms (baseline: 12.44 ms, +19.8%) scaling.rdp.20x: 12.74 ms (baseline: 11.34 ms, +12.3%) scaling.none.50x: 297.71 ms (baseline: 277.93 ms, +7.1%) scaling.movingAvg.50x: 38.84 ms (baseline: 37.99 ms, +2.2%) ✓ scaling.rdp.50x: 32.27 ms (baseline: 37.65 ms, -14.3%) ✓ multiseries.movingAvg.1series: 16.32 ms (baseline: 21.28 ms, -23.3%) multiseries.rdp.1series: 9.43 ms (baseline: 9.65 ms, -2.2%) ⚠️ multiseries.movingAvg.2series: 25.04 ms (baseline: 13.08 ms, +91.5%) ✓ multiseries.rdp.2series: 18.92 ms (baseline: 22.12 ms, -14.5%) ✓ multiseries.movingAvg.3series: 14.18 ms (baseline: 19.87 ms, -28.6%) ⚠️ multiseries.rdp.3series: 25.28 ms (baseline: 14.45 ms, +75.0%) multiseries.movingAvg.5series: 37.26 ms (baseline: 34.82 ms, +7.0%) ✓ multiseries.rdp.5series: 39.40 ms (baseline: 50.70 ms, -22.3%) 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: 45.79 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: 0.027 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: 0.026 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: 19.90 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: 2026-06-08T22:42:20Z [INFO] ------------------------------------------------------------------------