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: 2.226 s [INFO] Finished at: 2026-06-13T21:32:30Z [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: 2.421 s [INFO] Finished at: 2026-06-13T21:32:35Z [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: 2026-06-13T19:41:57.720236849Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:33:10.567 [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 | 4.80 ms | 7.64 ms | 3.61 ms 1,000 | 5.21 ms | 2.88 ms | 1.89 ms 10,000 | 26.05 ms | 7.09 ms | 9.00 ms 49,871 | 68.73 ms | 3.38 ms | 79.55 ms 97,643 | 85.07 ms | 16.58 ms | 8.41 ms 495,995 | 392.80 ms | 31.92 ms | 57.38 ms 944,282 | 631.27 ms | 114.06 ms | 122.65 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 | 517.3 µs | 3.26 ms | 3.78 ms 10,000 | 2.38 ms | 3.35 ms | 5.73 ms 50,000 | 26.90 ms | 2.13 ms | 29.02 ms 100,000 | 15.80 ms | 2.46 ms | 18.26 ms 500,000 | 51.85 ms | 2.92 ms | 54.77 ms 948,423 | 95.97 ms | 1.90 ms | 97.86 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 | 12.01 ms ( 0.5x) | 1.57 ms ( 2.4x) | 981.8 µs ( 0.4x) 2x | 19,996 | 8.13 ms ( 0.3x) | 1.08 ms ( 1.7x) | 858.4 µs ( 0.3x) 5x | 49,871 | 31.95 ms ( 1.3x) | 4.67 ms ( 7.2x) | 3.63 ms ( 1.4x) 10x | 97,643 | 49.41 ms ( 2.0x) | 8.29 ms (12.9x) | 10.97 ms ( 4.2x) 20x | 196,569 | 105.62 ms ( 4.2x) | 8.64 ms (13.4x) | 8.34 ms ( 3.2x) 50x | 495,995 | 320.56 ms (12.7x) | 30.85 ms (47.8x) | 72.44 ms (27.6x) 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 | 690.4 µs | 5 | 1.03 ms 10,000 | 5 | 1.24 ms | 5 | 1.76 ms 97,643 | 5 | 11.30 ms | 5 | 5.49 ms 495,995 | 5 | 34.09 ms | 5 | 39.88 ms 944,282 | 5 | 116.83 ms | 5 | 74.46 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 | 11.08 ms | 14.95 ms 2 | 11.98 ms | 13.05 ms 3 | 25.72 ms | 21.32 ms 5 | 24.62 ms | 27.51 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 4.80 ms (baseline: 5.73 ms, -16.2%) ⚠️ sparkline.movingAvg.100: 7.64 ms (baseline: 5.89 ms, +29.6%) ✓ sparkline.rdp.100: 3.61 ms (baseline: 5.21 ms, -30.9%) ⚠️ sparkline.none.1000: 5.21 ms (baseline: 3.76 ms, +38.5%) ⚠️ sparkline.movingAvg.1000: 2.88 ms (baseline: 1.32 ms, +118.7%) sparkline.rdp.1000: 1.89 ms (baseline: 1.71 ms, +10.8%) sparkline.none.10000: 26.05 ms (baseline: 26.61 ms, -2.1%) ⚠️ sparkline.movingAvg.10000: 7.09 ms (baseline: 2.63 ms, +169.4%) ✓ sparkline.rdp.10000: 9.00 ms (baseline: 16.56 ms, -45.6%) ⚠️ sparkline.none.50000: 68.73 ms (baseline: 43.25 ms, +58.9%) ✓ sparkline.movingAvg.50000: 3.38 ms (baseline: 8.28 ms, -59.2%) sparkline.rdp.50000: 79.55 ms (baseline: 71.20 ms, +11.7%) ⚠️ sparkline.none.100000: 85.07 ms (baseline: 64.62 ms, +31.6%) ✓ sparkline.movingAvg.100000: 16.58 ms (baseline: 19.51 ms, -15.0%) ✓ sparkline.rdp.100000: 8.41 ms (baseline: 17.25 ms, -51.2%) ⚠️ sparkline.none.500000: 392.80 ms (baseline: 317.62 ms, +23.7%) ✓ sparkline.movingAvg.500000: 31.92 ms (baseline: 61.51 ms, -48.1%) ⚠️ sparkline.rdp.500000: 57.38 ms (baseline: 25.36 ms, +126.3%) sparkline.none.948423: 631.27 ms (baseline: 648.70 ms, -2.7%) ✓ sparkline.movingAvg.948423: 114.06 ms (baseline: 159.18 ms, -28.3%) sparkline.rdp.948423: 122.65 ms (baseline: 105.07 ms, +16.7%) ⚠️ windrose.aggregation.1000: 517.3 µs (baseline: 424.4 µs, +21.9%) ⚠️ windrose.draw.1000: 3.26 ms (baseline: 956.5 µs, +240.7%) windrose.aggregation.10000: 2.38 ms (baseline: 2.21 ms, +7.5%) ⚠️ windrose.draw.10000: 3.35 ms (baseline: 1.79 ms, +87.5%) ⚠️ windrose.aggregation.50000: 26.90 ms (baseline: 8.07 ms, +233.1%) ⚠️ windrose.draw.50000: 2.13 ms (baseline: 894.5 µs, +137.7%) windrose.aggregation.100000: 15.80 ms (baseline: 15.28 ms, +3.4%) ⚠️ windrose.draw.100000: 2.46 ms (baseline: 776.7 µs, +216.7%) ⚠️ windrose.aggregation.500000: 51.85 ms (baseline: 27.93 ms, +85.6%) ⚠️ windrose.draw.500000: 2.92 ms (baseline: 627.7 µs, +365.0%) ⚠️ windrose.aggregation.948423: 95.97 ms (baseline: 38.13 ms, +151.7%) ✓ windrose.draw.948423: 1.90 ms (baseline: 14.58 ms, -87.0%) ✓ scaling.none.1x: 12.01 ms (baseline: 18.10 ms, -33.6%) ✓ scaling.movingAvg.1x: 1.57 ms (baseline: 5.14 ms, -69.4%) ✓ scaling.rdp.1x: 981.8 µs (baseline: 1.51 ms, -34.8%) ✓ scaling.none.2x: 8.13 ms (baseline: 14.38 ms, -43.5%) ✓ scaling.movingAvg.2x: 1.08 ms (baseline: 2.24 ms, -51.6%) scaling.rdp.2x: 858.4 µs (baseline: 947.2 µs, -9.4%) ✓ scaling.none.5x: 31.95 ms (baseline: 38.72 ms, -17.5%) ✓ scaling.movingAvg.5x: 4.67 ms (baseline: 6.44 ms, -27.4%) ✓ scaling.rdp.5x: 3.63 ms (baseline: 5.13 ms, -29.2%) ✓ scaling.none.10x: 49.41 ms (baseline: 75.14 ms, -34.2%) scaling.movingAvg.10x: 8.29 ms (baseline: 8.99 ms, -7.7%) ⚠️ scaling.rdp.10x: 10.97 ms (baseline: 6.09 ms, +80.2%) ✓ scaling.none.20x: 105.62 ms (baseline: 128.10 ms, -17.5%) ✓ scaling.movingAvg.20x: 8.64 ms (baseline: 15.30 ms, -43.5%) ✓ scaling.rdp.20x: 8.34 ms (baseline: 11.56 ms, -27.8%) scaling.none.50x: 320.56 ms (baseline: 295.77 ms, +8.4%) ✓ scaling.movingAvg.50x: 30.85 ms (baseline: 37.69 ms, -18.1%) ⚠️ scaling.rdp.50x: 72.44 ms (baseline: 26.10 ms, +177.6%) ⚠️ multiseries.movingAvg.1series: 11.08 ms (baseline: 6.47 ms, +71.3%) multiseries.rdp.1series: 14.95 ms (baseline: 12.51 ms, +19.5%) ✓ multiseries.movingAvg.2series: 11.98 ms (baseline: 22.51 ms, -46.8%) multiseries.rdp.2series: 13.05 ms (baseline: 13.57 ms, -3.8%) ⚠️ multiseries.movingAvg.3series: 25.72 ms (baseline: 14.55 ms, +76.8%) multiseries.rdp.3series: 21.32 ms (baseline: 18.17 ms, +17.3%) ✓ multiseries.movingAvg.5series: 24.62 ms (baseline: 31.85 ms, -22.7%) ✓ multiseries.rdp.5series: 27.51 ms (baseline: 34.40 ms, -20.0%) 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: 44.69 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: 0.010 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: 0.014 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: 19.09 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: 2026-06-13T21:33:58Z [INFO] ------------------------------------------------------------------------