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=25.0-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: 2.377 s [INFO] Finished at: 2026-04-27T00:24:59Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.0-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 -> 25.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.314 s [INFO] Finished at: 2026-04-27T00:25:05Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-26T22:23:29.284127509Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:25:33.297 [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 | 3.43 ms | 5.74 ms | 2.26 ms 1,000 | 5.79 ms | 5.58 ms | 5.70 ms 10,000 | 28.78 ms | 6.30 ms | 12.95 ms 49,871 | 30.58 ms | 3.03 ms | 54.13 ms 97,643 | 101.89 ms | 11.06 ms | 11.09 ms 495,995 | 363.45 ms | 32.80 ms | 21.23 ms 944,282 | 521.93 ms | 102.23 ms | 114.41 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 | 412.0 µs | 2.53 ms | 2.94 ms 10,000 | 1.58 ms | 1.16 ms | 2.74 ms 50,000 | 17.93 ms | 1.38 ms | 19.30 ms 100,000 | 7.93 ms | 833.7 µs | 8.77 ms 500,000 | 62.67 ms | 1.04 ms | 63.71 ms 948,423 | 36.88 ms | 582.1 µs | 37.46 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 | 4.95 ms ( 0.8x) | 917.6 µs ( 0.7x) | 798.5 µs ( 0.4x) 2x | 19,996 | 17.68 ms ( 2.7x) | 1.66 ms ( 1.2x) | 924.3 µs ( 0.5x) 5x | 49,871 | 27.74 ms ( 4.2x) | 3.47 ms ( 2.5x) | 2.34 ms ( 1.3x) 10x | 97,643 | 39.07 ms ( 5.9x) | 7.88 ms ( 5.6x) | 6.36 ms ( 3.5x) 20x | 196,569 | 115.06 ms (17.5x) | 13.10 ms ( 9.3x) | 8.11 ms ( 4.4x) 50x | 495,995 | 273.50 ms (41.5x) | 30.20 ms (21.4x) | 58.57 ms (31.9x) 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 | 192.6 µs | 5 | 190.7 µs 10,000 | 5 | 910.7 µs | 5 | 515.7 µs 97,643 | 5 | 5.86 ms | 5 | 4.69 ms 495,995 | 5 | 38.45 ms | 5 | 57.33 ms 944,282 | 5 | 94.56 ms | 5 | 53.95 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 | 7.52 ms | 3.45 ms 2 | 11.97 ms | 13.11 ms 3 | 16.75 ms | 19.62 ms 5 | 27.49 ms | 29.41 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.43 ms (baseline: 1.18 ms, +189.7%) ⚠️ sparkline.movingAvg.100: 5.74 ms (baseline: 3.01 ms, +90.7%) sparkline.rdp.100: 2.26 ms (baseline: 2.05 ms, +10.1%) ⚠️ sparkline.none.1000: 5.79 ms (baseline: 3.19 ms, +81.3%) ⚠️ sparkline.movingAvg.1000: 5.58 ms (baseline: 2.20 ms, +153.4%) ⚠️ sparkline.rdp.1000: 5.70 ms (baseline: 2.16 ms, +163.9%) ⚠️ sparkline.none.10000: 28.78 ms (baseline: 10.55 ms, +172.6%) ⚠️ sparkline.movingAvg.10000: 6.30 ms (baseline: 2.89 ms, +117.9%) ⚠️ sparkline.rdp.10000: 12.95 ms (baseline: 3.66 ms, +253.3%) sparkline.none.50000: 30.58 ms (baseline: 25.79 ms, +18.5%) sparkline.movingAvg.50000: 3.03 ms (baseline: 2.91 ms, +4.2%) sparkline.rdp.50000: 54.13 ms (baseline: 47.15 ms, +14.8%) ⚠️ sparkline.none.100000: 101.89 ms (baseline: 44.41 ms, +129.5%) ⚠️ sparkline.movingAvg.100000: 11.06 ms (baseline: 5.17 ms, +113.7%) ⚠️ sparkline.rdp.100000: 11.09 ms (baseline: 3.90 ms, +184.6%) ⚠️ sparkline.none.500000: 363.45 ms (baseline: 241.63 ms, +50.4%) ⚠️ sparkline.movingAvg.500000: 32.80 ms (baseline: 27.27 ms, +20.3%) sparkline.rdp.500000: 21.23 ms (baseline: 23.13 ms, -8.2%) ⚠️ sparkline.none.948423: 521.93 ms (baseline: 410.24 ms, +27.2%) ⚠️ sparkline.movingAvg.948423: 102.23 ms (baseline: 79.69 ms, +28.3%) ⚠️ sparkline.rdp.948423: 114.41 ms (baseline: 64.81 ms, +76.5%) windrose.aggregation.1000: 412.0 µs (baseline: 438.3 µs, -6.0%) ⚠️ windrose.draw.1000: 2.53 ms (baseline: 871.4 µs, +190.7%) windrose.aggregation.10000: 1.58 ms (baseline: 1.47 ms, +7.3%) ⚠️ windrose.draw.10000: 1.16 ms (baseline: 737.4 µs, +57.5%) ⚠️ windrose.aggregation.50000: 17.93 ms (baseline: 6.90 ms, +159.9%) ⚠️ windrose.draw.50000: 1.38 ms (baseline: 652.3 µs, +111.0%) ⚠️ windrose.aggregation.100000: 7.93 ms (baseline: 3.76 ms, +110.9%) windrose.draw.100000: 833.7 µs (baseline: 771.4 µs, +8.1%) ⚠️ windrose.aggregation.500000: 62.67 ms (baseline: 19.92 ms, +214.6%) ⚠️ windrose.draw.500000: 1.04 ms (baseline: 628.1 µs, +66.3%) windrose.aggregation.948423: 36.88 ms (baseline: 35.36 ms, +4.3%) ✓ windrose.draw.948423: 582.1 µs (baseline: 730.8 µs, -20.3%) ✓ scaling.none.1x: 4.95 ms (baseline: 5.81 ms, -14.9%) ⚠️ scaling.movingAvg.1x: 917.6 µs (baseline: 711.9 µs, +28.9%) scaling.rdp.1x: 798.5 µs (baseline: 729.9 µs, +9.4%) ⚠️ scaling.none.2x: 17.68 ms (baseline: 9.79 ms, +80.6%) scaling.movingAvg.2x: 1.66 ms (baseline: 1.42 ms, +16.5%) scaling.rdp.2x: 924.3 µs (baseline: 1.01 ms, -8.6%) ⚠️ scaling.none.5x: 27.74 ms (baseline: 19.42 ms, +42.8%) ⚠️ scaling.movingAvg.5x: 3.47 ms (baseline: 2.47 ms, +40.6%) ⚠️ scaling.rdp.5x: 2.34 ms (baseline: 1.81 ms, +28.9%) scaling.none.10x: 39.07 ms (baseline: 40.22 ms, -2.8%) ⚠️ scaling.movingAvg.10x: 7.88 ms (baseline: 4.60 ms, +71.5%) ⚠️ scaling.rdp.10x: 6.36 ms (baseline: 3.38 ms, +87.8%) ⚠️ scaling.none.20x: 115.06 ms (baseline: 77.19 ms, +49.1%) ⚠️ scaling.movingAvg.20x: 13.10 ms (baseline: 9.05 ms, +44.8%) scaling.rdp.20x: 8.11 ms (baseline: 7.43 ms, +9.2%) ⚠️ scaling.none.50x: 273.50 ms (baseline: 204.23 ms, +33.9%) scaling.movingAvg.50x: 30.20 ms (baseline: 28.02 ms, +7.8%) ⚠️ scaling.rdp.50x: 58.57 ms (baseline: 19.81 ms, +195.7%) ⚠️ multiseries.movingAvg.1series: 7.52 ms (baseline: 4.58 ms, +64.1%) multiseries.rdp.1series: 3.45 ms (baseline: 3.29 ms, +4.6%) ⚠️ multiseries.movingAvg.2series: 11.97 ms (baseline: 8.25 ms, +45.1%) ⚠️ multiseries.rdp.2series: 13.11 ms (baseline: 9.29 ms, +41.1%) ⚠️ multiseries.movingAvg.3series: 16.75 ms (baseline: 12.95 ms, +29.3%) ⚠️ multiseries.rdp.3series: 19.62 ms (baseline: 14.23 ms, +37.9%) ⚠️ multiseries.movingAvg.5series: 27.49 ms (baseline: 21.38 ms, +28.6%) multiseries.rdp.5series: 29.41 ms (baseline: 24.78 ms, +18.7%) 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: 40.26 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: 0.016 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: 0.015 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: 14.60 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: 01:05 min [INFO] Finished at: 2026-04-27T00:26:12Z [INFO] ------------------------------------------------------------------------