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: 2.735 s [INFO] Finished at: 2026-06-11T21:44:53Z [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: 2.403 s [INFO] Finished at: 2026-06-11T21:44:58Z [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: 2026-06-11T19:58:55.248140062Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:45:33.633 [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 | 4.16 ms | 4.28 ms | 2.95 ms 1,000 | 6.68 ms | 2.39 ms | 2.79 ms 10,000 | 16.66 ms | 7.21 ms | 11.80 ms 49,871 | 57.08 ms | 7.75 ms | 51.26 ms 97,643 | 104.05 ms | 11.09 ms | 9.03 ms 495,995 | 393.86 ms | 39.44 ms | 22.43 ms 944,282 | 653.62 ms | 168.33 ms | 99.65 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 | 378.3 µs | 1.06 ms | 1.43 ms 10,000 | 1.52 ms | 922.5 µs | 2.44 ms 50,000 | 7.71 ms | 1.71 ms | 9.42 ms 100,000 | 20.56 ms | 1.62 ms | 22.18 ms 500,000 | 53.63 ms | 2.16 ms | 55.79 ms 948,423 | 106.91 ms | 1.88 ms | 108.80 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 | 7.03 ms ( 0.7x) | 813.1 µs ( 1.1x) | 584.4 µs ( 0.3x) 2x | 19,996 | 16.26 ms ( 1.6x) | 2.41 ms ( 3.4x) | 2.21 ms ( 1.1x) 5x | 49,871 | 25.28 ms ( 2.5x) | 2.70 ms ( 3.8x) | 3.62 ms ( 1.8x) 10x | 97,643 | 75.32 ms ( 7.4x) | 6.91 ms ( 9.7x) | 3.35 ms ( 1.7x) 20x | 196,569 | 102.68 ms (10.1x) | 14.65 ms (20.6x) | 7.69 ms ( 3.9x) 50x | 495,995 | 307.27 ms (30.2x) | 28.40 ms (39.8x) | 24.20 ms (12.3x) 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 | 163.9 µs | 5 | 829.4 µs 10,000 | 5 | 1.78 ms | 5 | 1.07 ms 97,643 | 5 | 4.82 ms | 5 | 7.32 ms 495,995 | 5 | 43.54 ms | 5 | 28.43 ms 944,282 | 5 | 139.69 ms | 5 | 102.58 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 | 8.26 ms | 3.14 ms 2 | 12.94 ms | 12.35 ms 3 | 32.02 ms | 23.57 ms 5 | 28.39 ms | 34.63 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.16 ms (baseline: 1.23 ms, +239.2%) ⚠️ sparkline.movingAvg.100: 4.28 ms (baseline: 3.01 ms, +42.5%) ⚠️ sparkline.rdp.100: 2.95 ms (baseline: 1.28 ms, +131.1%) sparkline.none.1000: 6.68 ms (baseline: 6.04 ms, +10.6%) sparkline.movingAvg.1000: 2.39 ms (baseline: 2.13 ms, +12.3%) ⚠️ sparkline.rdp.1000: 2.79 ms (baseline: 1.45 ms, +92.9%) ✓ sparkline.none.10000: 16.66 ms (baseline: 19.55 ms, -14.8%) ✓ sparkline.movingAvg.10000: 7.21 ms (baseline: 9.70 ms, -25.6%) ✓ sparkline.rdp.10000: 11.80 ms (baseline: 13.24 ms, -10.9%) sparkline.none.50000: 57.08 ms (baseline: 54.52 ms, +4.7%) ⚠️ sparkline.movingAvg.50000: 7.75 ms (baseline: 3.95 ms, +96.1%) ✓ sparkline.rdp.50000: 51.26 ms (baseline: 61.21 ms, -16.3%) ⚠️ sparkline.none.100000: 104.05 ms (baseline: 52.47 ms, +98.3%) ⚠️ sparkline.movingAvg.100000: 11.09 ms (baseline: 8.72 ms, +27.3%) ✓ sparkline.rdp.100000: 9.03 ms (baseline: 10.79 ms, -16.3%) ⚠️ sparkline.none.500000: 393.86 ms (baseline: 308.47 ms, +27.7%) ✓ sparkline.movingAvg.500000: 39.44 ms (baseline: 51.18 ms, -22.9%) sparkline.rdp.500000: 22.43 ms (baseline: 24.38 ms, -8.0%) sparkline.none.948423: 653.62 ms (baseline: 614.23 ms, +6.4%) ⚠️ sparkline.movingAvg.948423: 168.33 ms (baseline: 135.37 ms, +24.4%) sparkline.rdp.948423: 99.65 ms (baseline: 105.62 ms, -5.6%) windrose.aggregation.1000: 378.3 µs (baseline: 394.0 µs, -4.0%) ✓ windrose.draw.1000: 1.06 ms (baseline: 3.15 ms, -66.5%) ✓ windrose.aggregation.10000: 1.52 ms (baseline: 2.06 ms, -26.3%) ✓ windrose.draw.10000: 922.5 µs (baseline: 31.65 ms, -97.1%) ✓ windrose.aggregation.50000: 7.71 ms (baseline: 20.46 ms, -62.3%) ⚠️ windrose.draw.50000: 1.71 ms (baseline: 1.07 ms, +61.0%) ✓ windrose.aggregation.100000: 20.56 ms (baseline: 23.63 ms, -13.0%) ✓ windrose.draw.100000: 1.62 ms (baseline: 5.86 ms, -72.3%) ✓ windrose.aggregation.500000: 53.63 ms (baseline: 71.96 ms, -25.5%) ⚠️ windrose.draw.500000: 2.16 ms (baseline: 1.71 ms, +26.1%) ⚠️ windrose.aggregation.948423: 106.91 ms (baseline: 74.32 ms, +43.9%) ⚠️ windrose.draw.948423: 1.88 ms (baseline: 1.30 ms, +44.2%) ✓ scaling.none.1x: 7.03 ms (baseline: 9.94 ms, -29.3%) ✓ scaling.movingAvg.1x: 813.1 µs (baseline: 2.42 ms, -66.4%) ✓ scaling.rdp.1x: 584.4 µs (baseline: 1.22 ms, -52.0%) ⚠️ scaling.none.2x: 16.26 ms (baseline: 11.60 ms, +40.1%) ✓ scaling.movingAvg.2x: 2.41 ms (baseline: 4.30 ms, -44.0%) ⚠️ scaling.rdp.2x: 2.21 ms (baseline: 1.40 ms, +57.7%) ✓ scaling.none.5x: 25.28 ms (baseline: 31.76 ms, -20.4%) ✓ scaling.movingAvg.5x: 2.70 ms (baseline: 8.90 ms, -69.7%) ✓ scaling.rdp.5x: 3.62 ms (baseline: 4.41 ms, -17.8%) ✓ scaling.none.10x: 75.32 ms (baseline: 95.06 ms, -20.8%) ⚠️ scaling.movingAvg.10x: 6.91 ms (baseline: 5.06 ms, +36.7%) ✓ scaling.rdp.10x: 3.35 ms (baseline: 4.57 ms, -26.6%) scaling.none.20x: 102.68 ms (baseline: 103.74 ms, -1.0%) ⚠️ scaling.movingAvg.20x: 14.65 ms (baseline: 10.54 ms, +39.1%) ✓ scaling.rdp.20x: 7.69 ms (baseline: 9.91 ms, -22.4%) scaling.none.50x: 307.27 ms (baseline: 308.86 ms, -0.5%) ✓ scaling.movingAvg.50x: 28.40 ms (baseline: 41.95 ms, -32.3%) scaling.rdp.50x: 24.20 ms (baseline: 23.32 ms, +3.8%) ✓ multiseries.movingAvg.1series: 8.26 ms (baseline: 16.32 ms, -49.4%) ✓ multiseries.rdp.1series: 3.14 ms (baseline: 6.59 ms, -52.3%) ⚠️ multiseries.movingAvg.2series: 12.94 ms (baseline: 8.46 ms, +52.8%) ✓ multiseries.rdp.2series: 12.35 ms (baseline: 17.61 ms, -29.9%) ⚠️ multiseries.movingAvg.3series: 32.02 ms (baseline: 13.32 ms, +140.5%) ⚠️ multiseries.rdp.3series: 23.57 ms (baseline: 16.14 ms, +46.0%) multiseries.movingAvg.5series: 28.39 ms (baseline: 28.70 ms, -1.1%) ⚠️ multiseries.rdp.5series: 34.63 ms (baseline: 26.02 ms, +33.1%) 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: 43.65 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: 0.031 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: 0.034 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: 19.75 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: 2026-06-11T21:46:21Z [INFO] ------------------------------------------------------------------------