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 e00e7b5 GH Action CI build [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 99, 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: 2.765 s [INFO] Finished at: 2026-03-20T06:19:38Z [INFO] ------------------------------------------------------------------------ [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 99, 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 -> 25.0.7 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.427 s [INFO] Finished at: 2026-03-20T06:19:44Z [INFO] ------------------------------------------------------------------------ [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 99, 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 6.8.0-106-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-20T04:45:59.046464789Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:20:15.656 [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 | 2.73 ms | 4.15 ms | 2.96 ms 1,000 | 4.47 ms | 4.48 ms | 4.19 ms 10,000 | 30.01 ms | 5.48 ms | 22.07 ms 49,871 | 47.89 ms | 6.21 ms | 60.50 ms 97,643 | 86.05 ms | 15.73 ms | 6.63 ms 495,995 | 377.75 ms | 57.41 ms | 33.04 ms 944,282 | 664.79 ms | 134.08 ms | 80.76 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 | 1.13 ms | 1.73 ms | 2.86 ms 10,000 | 7.95 ms | 3.38 ms | 11.33 ms 50,000 | 13.22 ms | 961.3 µs | 14.18 ms 100,000 | 11.28 ms | 4.30 ms | 15.58 ms 500,000 | 29.84 ms | 535.3 µs | 30.38 ms 948,423 | 43.00 ms | 775.1 µs | 43.77 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 | 6.56 ms ( 0.5x) | 691.1 µs ( 0.5x) | 544.4 µs ( 0.7x) 2x | 19,996 | 12.96 ms ( 1.1x) | 1.66 ms ( 1.2x) | 1.99 ms ( 2.4x) 5x | 49,871 | 41.37 ms ( 3.4x) | 9.95 ms ( 7.1x) | 5.67 ms ( 6.9x) 10x | 97,643 | 57.61 ms ( 4.8x) | 12.27 ms ( 8.7x) | 6.69 ms ( 8.2x) 20x | 196,569 | 165.73 ms (13.7x) | 12.13 ms ( 8.6x) | 9.39 ms (11.5x) 50x | 495,995 | 327.77 ms (27.0x) | 59.68 ms (42.5x) | 22.84 ms (27.9x) 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 | 487.4 µs | 5 | 222.9 µs 10,000 | 5 | 2.00 ms | 5 | 513.4 µs 97,643 | 5 | 5.94 ms | 5 | 5.88 ms 495,995 | 5 | 37.66 ms | 5 | 75.69 ms 944,282 | 5 | 139.02 ms | 5 | 144.28 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 | 15.66 ms | 5.54 ms 2 | 17.08 ms | 15.34 ms 3 | 14.38 ms | 23.95 ms 5 | 31.16 ms | 35.74 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 2.73 ms (baseline: 2.60 ms, +5.0%) ✓ sparkline.movingAvg.100: 4.15 ms (baseline: 5.12 ms, -18.9%) ✓ sparkline.rdp.100: 2.96 ms (baseline: 3.50 ms, -15.6%) ✓ sparkline.none.1000: 4.47 ms (baseline: 8.41 ms, -46.8%) ⚠️ sparkline.movingAvg.1000: 4.48 ms (baseline: 2.68 ms, +66.9%) ⚠️ sparkline.rdp.1000: 4.19 ms (baseline: 2.54 ms, +64.7%) ⚠️ sparkline.none.10000: 30.01 ms (baseline: 10.55 ms, +184.3%) ⚠️ sparkline.movingAvg.10000: 5.48 ms (baseline: 2.67 ms, +105.4%) ⚠️ sparkline.rdp.10000: 22.07 ms (baseline: 5.27 ms, +318.7%) sparkline.none.50000: 47.89 ms (baseline: 50.90 ms, -5.9%) sparkline.movingAvg.50000: 6.21 ms (baseline: 6.44 ms, -3.6%) ✓ sparkline.rdp.50000: 60.50 ms (baseline: 88.87 ms, -31.9%) ⚠️ sparkline.none.100000: 86.05 ms (baseline: 60.26 ms, +42.8%) ⚠️ sparkline.movingAvg.100000: 15.73 ms (baseline: 6.06 ms, +159.8%) ⚠️ sparkline.rdp.100000: 6.63 ms (baseline: 4.11 ms, +61.3%) ⚠️ sparkline.none.500000: 377.75 ms (baseline: 289.23 ms, +30.6%) sparkline.movingAvg.500000: 57.41 ms (baseline: 55.10 ms, +4.2%) ✓ sparkline.rdp.500000: 33.04 ms (baseline: 45.12 ms, -26.8%) ⚠️ sparkline.none.948423: 664.79 ms (baseline: 476.35 ms, +39.6%) ⚠️ sparkline.movingAvg.948423: 134.08 ms (baseline: 95.48 ms, +40.4%) ✓ sparkline.rdp.948423: 80.76 ms (baseline: 114.70 ms, -29.6%) ⚠️ windrose.aggregation.1000: 1.13 ms (baseline: 610.2 µs, +84.5%) ⚠️ windrose.draw.1000: 1.73 ms (baseline: 969.2 µs, +78.4%) ⚠️ windrose.aggregation.10000: 7.95 ms (baseline: 2.08 ms, +282.2%) ⚠️ windrose.draw.10000: 3.38 ms (baseline: 744.6 µs, +354.0%) ⚠️ windrose.aggregation.50000: 13.22 ms (baseline: 7.13 ms, +85.5%) ⚠️ windrose.draw.50000: 961.3 µs (baseline: 745.2 µs, +29.0%) ⚠️ windrose.aggregation.100000: 11.28 ms (baseline: 4.47 ms, +152.5%) ⚠️ windrose.draw.100000: 4.30 ms (baseline: 643.6 µs, +568.3%) ⚠️ windrose.aggregation.500000: 29.84 ms (baseline: 20.51 ms, +45.5%) ✓ windrose.draw.500000: 535.3 µs (baseline: 620.5 µs, -13.7%) windrose.aggregation.948423: 43.00 ms (baseline: 47.16 ms, -8.8%) windrose.draw.948423: 775.1 µs (baseline: 714.4 µs, +8.5%) scaling.none.1x: 6.56 ms (baseline: 6.14 ms, +6.9%) scaling.movingAvg.1x: 691.1 µs (baseline: 624.7 µs, +10.6%) ✓ scaling.rdp.1x: 544.4 µs (baseline: 630.1 µs, -13.6%) ⚠️ scaling.none.2x: 12.96 ms (baseline: 8.58 ms, +51.0%) scaling.movingAvg.2x: 1.66 ms (baseline: 1.56 ms, +6.8%) ⚠️ scaling.rdp.2x: 1.99 ms (baseline: 1.12 ms, +77.7%) ⚠️ scaling.none.5x: 41.37 ms (baseline: 27.18 ms, +52.2%) ⚠️ scaling.movingAvg.5x: 9.95 ms (baseline: 4.65 ms, +114.2%) ⚠️ scaling.rdp.5x: 5.67 ms (baseline: 1.95 ms, +190.6%) ⚠️ scaling.none.10x: 57.61 ms (baseline: 42.16 ms, +36.7%) ⚠️ scaling.movingAvg.10x: 12.27 ms (baseline: 4.64 ms, +164.6%) ⚠️ scaling.rdp.10x: 6.69 ms (baseline: 3.93 ms, +70.3%) ⚠️ scaling.none.20x: 165.73 ms (baseline: 97.14 ms, +70.6%) ⚠️ scaling.movingAvg.20x: 12.13 ms (baseline: 9.77 ms, +24.1%) scaling.rdp.20x: 9.39 ms (baseline: 8.72 ms, +7.7%) ⚠️ scaling.none.50x: 327.77 ms (baseline: 222.47 ms, +47.3%) ⚠️ scaling.movingAvg.50x: 59.68 ms (baseline: 42.11 ms, +41.7%) ✓ scaling.rdp.50x: 22.84 ms (baseline: 28.13 ms, -18.8%) ⚠️ multiseries.movingAvg.1series: 15.66 ms (baseline: 4.40 ms, +256.0%) ⚠️ multiseries.rdp.1series: 5.54 ms (baseline: 3.15 ms, +75.7%) ⚠️ multiseries.movingAvg.2series: 17.08 ms (baseline: 10.87 ms, +57.2%) ✓ multiseries.rdp.2series: 15.34 ms (baseline: 22.39 ms, -31.5%) multiseries.movingAvg.3series: 14.38 ms (baseline: 14.13 ms, +1.7%) ⚠️ multiseries.rdp.3series: 23.95 ms (baseline: 15.13 ms, +58.3%) ⚠️ multiseries.movingAvg.5series: 31.16 ms (baseline: 23.36 ms, +33.4%) multiseries.rdp.5series: 35.74 ms (baseline: 30.29 ms, +18.0%) 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: 47.04 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: 0.017 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: 0.048 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: 19.16 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: 01:17 min [INFO] Finished at: 2026-03-20T06:21:04Z [INFO] ------------------------------------------------------------------------