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: 2.623 s [INFO] Finished at: 2026-06-12T13:08:44Z [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: 2.126 s [INFO] Finished at: 2026-06-12T13:08:48Z [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: 2026-06-12T11:28:38.489073813Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:09:24.434 [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 | 2.62 ms | 6.79 ms | 3.92 ms 1,000 | 9.09 ms | 3.38 ms | 3.70 ms 10,000 | 13.88 ms | 2.67 ms | 5.97 ms 49,871 | 33.87 ms | 3.73 ms | 71.84 ms 97,643 | 118.13 ms | 6.89 ms | 13.43 ms 495,995 | 361.53 ms | 35.08 ms | 34.31 ms 944,282 | 593.39 ms | 114.28 ms | 148.29 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 | 470.3 µs | 998.9 µs | 1.47 ms 10,000 | 4.52 ms | 3.15 ms | 7.67 ms 50,000 | 15.89 ms | 891.1 µs | 16.78 ms 100,000 | 8.76 ms | 1.41 ms | 10.16 ms 500,000 | 23.46 ms | 726.2 µs | 24.19 ms 948,423 | 47.86 ms | 966.0 µs | 48.83 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 | 5.43 ms ( 0.8x) | 1.64 ms ( 1.6x) | 594.8 µs ( 0.9x) 2x | 19,996 | 11.85 ms ( 1.7x) | 1.15 ms ( 1.1x) | 2.72 ms ( 4.2x) 5x | 49,871 | 25.55 ms ( 3.7x) | 3.00 ms ( 2.9x) | 1.79 ms ( 2.8x) 10x | 97,643 | 90.45 ms (13.1x) | 4.00 ms ( 3.9x) | 4.42 ms ( 6.8x) 20x | 196,569 | 102.28 ms (14.8x) | 9.03 ms ( 8.8x) | 9.44 ms (14.6x) 50x | 495,995 | 337.48 ms (49.0x) | 29.71 ms (28.8x) | 45.79 ms (70.6x) 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 | 162.3 µs | 5 | 724.2 µs 10,000 | 5 | 1.15 ms | 5 | 1.11 ms 97,643 | 5 | 4.28 ms | 5 | 5.35 ms 495,995 | 5 | 38.24 ms | 5 | 18.46 ms 944,282 | 5 | 121.87 ms | 5 | 63.24 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 | 9.13 ms | 4.85 ms 2 | 19.30 ms | 10.72 ms 3 | 21.29 ms | 24.75 ms 5 | 27.38 ms | 34.44 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.62 ms (baseline: 6.10 ms, -57.1%) ⚠️ sparkline.movingAvg.100: 6.79 ms (baseline: 2.11 ms, +221.4%) ⚠️ sparkline.rdp.100: 3.92 ms (baseline: 2.98 ms, +31.4%) ⚠️ sparkline.none.1000: 9.09 ms (baseline: 6.20 ms, +46.7%) ✓ sparkline.movingAvg.1000: 3.38 ms (baseline: 4.88 ms, -30.6%) ⚠️ sparkline.rdp.1000: 3.70 ms (baseline: 2.82 ms, +31.0%) ✓ sparkline.none.10000: 13.88 ms (baseline: 21.03 ms, -34.0%) ✓ sparkline.movingAvg.10000: 2.67 ms (baseline: 6.08 ms, -56.0%) ⚠️ sparkline.rdp.10000: 5.97 ms (baseline: 4.55 ms, +31.3%) ✓ sparkline.none.50000: 33.87 ms (baseline: 38.92 ms, -13.0%) ✓ sparkline.movingAvg.50000: 3.73 ms (baseline: 9.29 ms, -59.8%) ⚠️ sparkline.rdp.50000: 71.84 ms (baseline: 39.38 ms, +82.4%) ⚠️ sparkline.none.100000: 118.13 ms (baseline: 67.35 ms, +75.4%) sparkline.movingAvg.100000: 6.89 ms (baseline: 7.55 ms, -8.7%) ⚠️ sparkline.rdp.100000: 13.43 ms (baseline: 4.95 ms, +171.2%) sparkline.none.500000: 361.53 ms (baseline: 373.36 ms, -3.2%) sparkline.movingAvg.500000: 35.08 ms (baseline: 30.31 ms, +15.8%) ⚠️ sparkline.rdp.500000: 34.31 ms (baseline: 24.60 ms, +39.5%) sparkline.none.948423: 593.39 ms (baseline: 611.42 ms, -2.9%) sparkline.movingAvg.948423: 114.28 ms (baseline: 96.67 ms, +18.2%) ⚠️ sparkline.rdp.948423: 148.29 ms (baseline: 70.58 ms, +110.1%) windrose.aggregation.1000: 470.3 µs (baseline: 467.1 µs, +0.7%) ✓ windrose.draw.1000: 998.9 µs (baseline: 1.68 ms, -40.5%) ⚠️ windrose.aggregation.10000: 4.52 ms (baseline: 1.48 ms, +206.3%) ⚠️ windrose.draw.10000: 3.15 ms (baseline: 1.72 ms, +82.9%) windrose.aggregation.50000: 15.89 ms (baseline: 13.85 ms, +14.7%) ✓ windrose.draw.50000: 891.1 µs (baseline: 2.06 ms, -56.8%) ⚠️ windrose.aggregation.100000: 8.76 ms (baseline: 6.85 ms, +27.8%) windrose.draw.100000: 1.41 ms (baseline: 1.25 ms, +12.8%) ✓ windrose.aggregation.500000: 23.46 ms (baseline: 31.03 ms, -24.4%) ⚠️ windrose.draw.500000: 726.2 µs (baseline: 592.7 µs, +22.5%) ⚠️ windrose.aggregation.948423: 47.86 ms (baseline: 36.47 ms, +31.2%) windrose.draw.948423: 966.0 µs (baseline: 830.2 µs, +16.4%) ✓ scaling.none.1x: 5.43 ms (baseline: 7.57 ms, -28.2%) ⚠️ scaling.movingAvg.1x: 1.64 ms (baseline: 1.02 ms, +60.3%) ✓ scaling.rdp.1x: 594.8 µs (baseline: 3.15 ms, -81.1%) ✓ scaling.none.2x: 11.85 ms (baseline: 34.46 ms, -65.6%) ✓ scaling.movingAvg.2x: 1.15 ms (baseline: 1.60 ms, -28.6%) ⚠️ scaling.rdp.2x: 2.72 ms (baseline: 893.9 µs, +204.6%) ✓ scaling.none.5x: 25.55 ms (baseline: 29.02 ms, -11.9%) ⚠️ scaling.movingAvg.5x: 3.00 ms (baseline: 2.48 ms, +21.2%) ✓ scaling.rdp.5x: 1.79 ms (baseline: 4.18 ms, -57.1%) ⚠️ scaling.none.10x: 90.45 ms (baseline: 41.98 ms, +115.5%) ✓ scaling.movingAvg.10x: 4.00 ms (baseline: 4.59 ms, -12.9%) ⚠️ scaling.rdp.10x: 4.42 ms (baseline: 3.45 ms, +28.0%) ✓ scaling.none.20x: 102.28 ms (baseline: 142.17 ms, -28.1%) scaling.movingAvg.20x: 9.03 ms (baseline: 9.05 ms, -0.2%) scaling.rdp.20x: 9.44 ms (baseline: 10.33 ms, -8.6%) scaling.none.50x: 337.48 ms (baseline: 372.52 ms, -9.4%) ✓ scaling.movingAvg.50x: 29.71 ms (baseline: 42.68 ms, -30.4%) ⚠️ scaling.rdp.50x: 45.79 ms (baseline: 25.38 ms, +80.5%) ✓ multiseries.movingAvg.1series: 9.13 ms (baseline: 10.41 ms, -12.3%) ⚠️ multiseries.rdp.1series: 4.85 ms (baseline: 3.10 ms, +56.5%) ⚠️ multiseries.movingAvg.2series: 19.30 ms (baseline: 8.92 ms, +116.3%) ✓ multiseries.rdp.2series: 10.72 ms (baseline: 12.20 ms, -12.1%) ⚠️ multiseries.movingAvg.3series: 21.29 ms (baseline: 12.62 ms, +68.8%) ⚠️ multiseries.rdp.3series: 24.75 ms (baseline: 18.34 ms, +35.0%) multiseries.movingAvg.5series: 27.38 ms (baseline: 23.35 ms, +17.3%) ✓ multiseries.rdp.5series: 34.44 ms (baseline: 54.14 ms, -36.4%) 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: 42.87 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: 0.032 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: 0.030 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: 20.27 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: 01:14 min [INFO] Finished at: 2026-06-12T13:10:12Z [INFO] ------------------------------------------------------------------------