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: 2.218 s [INFO] Finished at: 2026-06-11T22:44:45Z [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: 2.678 s [INFO] Finished at: 2026-06-11T22:44:50Z [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: 2026-06-11T21:46:01.212242565Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:45:23.747 [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 | 5.26 ms | 4.04 ms | 5.26 ms 1,000 | 9.04 ms | 6.07 ms | 3.58 ms 10,000 | 21.22 ms | 7.05 ms | 16.31 ms 49,871 | 37.33 ms | 5.76 ms | 65.56 ms 97,643 | 121.34 ms | 5.49 ms | 6.23 ms 495,995 | 326.37 ms | 50.66 ms | 25.82 ms 944,282 | 721.77 ms | 142.68 ms | 130.32 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 | 402.7 µs | 4.42 ms | 4.83 ms 10,000 | 10.10 ms | 1.11 ms | 11.20 ms 50,000 | 8.12 ms | 2.55 ms | 10.67 ms 100,000 | 9.94 ms | 1.48 ms | 11.42 ms 500,000 | 42.43 ms | 1.29 ms | 43.72 ms 948,423 | 50.61 ms | 2.97 ms | 53.58 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 | 9.65 ms ( 1.0x) | 1.11 ms ( 0.5x) | 544.5 µs ( 0.6x) 2x | 19,996 | 16.02 ms ( 1.7x) | 1.12 ms ( 0.5x) | 5.94 ms ( 6.6x) 5x | 49,871 | 34.26 ms ( 3.7x) | 2.13 ms ( 0.9x) | 1.68 ms ( 1.9x) 10x | 97,643 | 74.22 ms ( 8.0x) | 4.47 ms ( 2.0x) | 10.28 ms (11.4x) 20x | 196,569 | 109.23 ms (11.8x) | 10.63 ms ( 4.7x) | 56.81 ms (62.8x) 50x | 495,995 | 337.14 ms (36.4x) | 27.08 ms (12.0x) | 23.18 ms (25.6x) 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 | 666.5 µs | 5 | 180.4 µs 10,000 | 5 | 1.81 ms | 5 | 725.7 µs 97,643 | 5 | 5.69 ms | 5 | 3.54 ms 495,995 | 5 | 50.58 ms | 5 | 79.25 ms 944,282 | 5 | 97.93 ms | 5 | 124.20 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 | 8.82 ms | 3.05 ms 2 | 14.15 ms | 15.63 ms 3 | 16.87 ms | 14.41 ms 5 | 25.29 ms | 24.10 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.26 ms (baseline: 4.16 ms, +26.3%) sparkline.movingAvg.100: 4.04 ms (baseline: 4.28 ms, -5.6%) ⚠️ sparkline.rdp.100: 5.26 ms (baseline: 2.95 ms, +78.0%) ⚠️ sparkline.none.1000: 9.04 ms (baseline: 6.68 ms, +35.2%) ⚠️ sparkline.movingAvg.1000: 6.07 ms (baseline: 2.39 ms, +153.4%) ⚠️ sparkline.rdp.1000: 3.58 ms (baseline: 2.79 ms, +28.2%) ⚠️ sparkline.none.10000: 21.22 ms (baseline: 16.66 ms, +27.4%) sparkline.movingAvg.10000: 7.05 ms (baseline: 7.21 ms, -2.2%) ⚠️ sparkline.rdp.10000: 16.31 ms (baseline: 11.80 ms, +38.2%) ✓ sparkline.none.50000: 37.33 ms (baseline: 57.08 ms, -34.6%) ✓ sparkline.movingAvg.50000: 5.76 ms (baseline: 7.75 ms, -25.7%) ⚠️ sparkline.rdp.50000: 65.56 ms (baseline: 51.26 ms, +27.9%) sparkline.none.100000: 121.34 ms (baseline: 104.05 ms, +16.6%) ✓ sparkline.movingAvg.100000: 5.49 ms (baseline: 11.09 ms, -50.5%) ✓ sparkline.rdp.100000: 6.23 ms (baseline: 9.03 ms, -31.0%) ✓ sparkline.none.500000: 326.37 ms (baseline: 393.86 ms, -17.1%) ⚠️ sparkline.movingAvg.500000: 50.66 ms (baseline: 39.44 ms, +28.4%) sparkline.rdp.500000: 25.82 ms (baseline: 22.43 ms, +15.1%) sparkline.none.948423: 721.77 ms (baseline: 653.62 ms, +10.4%) ✓ sparkline.movingAvg.948423: 142.68 ms (baseline: 168.33 ms, -15.2%) ⚠️ sparkline.rdp.948423: 130.32 ms (baseline: 99.65 ms, +30.8%) windrose.aggregation.1000: 402.7 µs (baseline: 378.3 µs, +6.4%) ⚠️ windrose.draw.1000: 4.42 ms (baseline: 1.06 ms, +319.1%) ⚠️ windrose.aggregation.10000: 10.10 ms (baseline: 1.52 ms, +564.1%) ⚠️ windrose.draw.10000: 1.11 ms (baseline: 922.5 µs, +20.3%) windrose.aggregation.50000: 8.12 ms (baseline: 7.71 ms, +5.3%) ⚠️ windrose.draw.50000: 2.55 ms (baseline: 1.71 ms, +48.5%) ✓ windrose.aggregation.100000: 9.94 ms (baseline: 20.56 ms, -51.7%) windrose.draw.100000: 1.48 ms (baseline: 1.62 ms, -9.0%) ✓ windrose.aggregation.500000: 42.43 ms (baseline: 53.63 ms, -20.9%) ✓ windrose.draw.500000: 1.29 ms (baseline: 2.16 ms, -40.2%) ✓ windrose.aggregation.948423: 50.61 ms (baseline: 106.91 ms, -52.7%) ⚠️ windrose.draw.948423: 2.97 ms (baseline: 1.88 ms, +58.1%) ⚠️ scaling.none.1x: 9.65 ms (baseline: 7.03 ms, +37.1%) ⚠️ scaling.movingAvg.1x: 1.11 ms (baseline: 813.1 µs, +36.5%) scaling.rdp.1x: 544.5 µs (baseline: 584.4 µs, -6.8%) scaling.none.2x: 16.02 ms (baseline: 16.26 ms, -1.4%) ✓ scaling.movingAvg.2x: 1.12 ms (baseline: 2.41 ms, -53.6%) ⚠️ scaling.rdp.2x: 5.94 ms (baseline: 2.21 ms, +169.5%) ⚠️ scaling.none.5x: 34.26 ms (baseline: 25.28 ms, +35.5%) ✓ scaling.movingAvg.5x: 2.13 ms (baseline: 2.70 ms, -21.3%) ✓ scaling.rdp.5x: 1.68 ms (baseline: 3.62 ms, -53.6%) scaling.none.10x: 74.22 ms (baseline: 75.32 ms, -1.5%) ✓ scaling.movingAvg.10x: 4.47 ms (baseline: 6.91 ms, -35.3%) ⚠️ scaling.rdp.10x: 10.28 ms (baseline: 3.35 ms, +206.5%) scaling.none.20x: 109.23 ms (baseline: 102.68 ms, +6.4%) ✓ scaling.movingAvg.20x: 10.63 ms (baseline: 14.65 ms, -27.5%) ⚠️ scaling.rdp.20x: 56.81 ms (baseline: 7.69 ms, +638.5%) scaling.none.50x: 337.14 ms (baseline: 307.27 ms, +9.7%) scaling.movingAvg.50x: 27.08 ms (baseline: 28.40 ms, -4.6%) scaling.rdp.50x: 23.18 ms (baseline: 24.20 ms, -4.2%) multiseries.movingAvg.1series: 8.82 ms (baseline: 8.26 ms, +6.8%) multiseries.rdp.1series: 3.05 ms (baseline: 3.14 ms, -2.8%) multiseries.movingAvg.2series: 14.15 ms (baseline: 12.94 ms, +9.4%) ⚠️ multiseries.rdp.2series: 15.63 ms (baseline: 12.35 ms, +26.6%) ✓ multiseries.movingAvg.3series: 16.87 ms (baseline: 32.02 ms, -47.3%) ✓ multiseries.rdp.3series: 14.41 ms (baseline: 23.57 ms, -38.8%) ✓ multiseries.movingAvg.5series: 25.29 ms (baseline: 28.39 ms, -10.9%) ✓ multiseries.rdp.5series: 24.10 ms (baseline: 34.63 ms, -30.4%) 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: 42.88 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: 0.024 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: 0.052 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: 19.81 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: 01:13 min [INFO] Finished at: 2026-06-11T22:46:12Z [INFO] ------------------------------------------------------------------------