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: 3.001 s [INFO] Finished at: 2026-03-09T06:22:42Z [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 -> 25.0.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.592 s [INFO] Finished at: 2026-03-09T06:22:48Z [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 6.8.0-101-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-09T04:49:08.968751683Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:23:19.703 [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 | 5.27 ms | 3.00 ms | 5.25 ms 1,000 | 10.19 ms | 2.53 ms | 1.54 ms 10,000 | 15.74 ms | 1.17 ms | 4.37 ms 49,871 | 52.14 ms | 11.39 ms | 113.39 ms 97,643 | 120.42 ms | 18.46 ms | 18.49 ms 495,995 | 428.52 ms | 62.83 ms | 37.25 ms 944,282 | 676.38 ms | 105.59 ms | 75.75 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 | 5.04 ms | 3.63 ms | 8.67 ms 10,000 | 1.99 ms | 1.88 ms | 3.87 ms 50,000 | 15.40 ms | 2.03 ms | 17.43 ms 100,000 | 7.65 ms | 1.70 ms | 9.35 ms 500,000 | 49.40 ms | 1.84 ms | 51.24 ms 948,423 | 46.35 ms | 727.3 µs | 47.07 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 | 8.84 ms ( 0.9x) | 900.0 µs ( 0.6x) | 594.5 µs ( 0.2x) 2x | 19,996 | 12.97 ms ( 1.3x) | 1.99 ms ( 1.4x) | 922.4 µs ( 0.3x) 5x | 49,871 | 37.39 ms ( 3.7x) | 3.80 ms ( 2.6x) | 1.86 ms ( 0.7x) 10x | 97,643 | 80.65 ms ( 7.9x) | 10.89 ms ( 7.6x) | 11.37 ms ( 4.3x) 20x | 196,569 | 128.49 ms (12.6x) | 27.66 ms (19.2x) | 8.59 ms ( 3.3x) 50x | 495,995 | 378.78 ms (37.0x) | 107.09 ms (74.5x) | 22.58 ms ( 8.6x) 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 | 210.1 µs | 5 | 234.4 µs 10,000 | 5 | 760.1 µs | 5 | 1.05 ms 97,643 | 5 | 6.63 ms | 5 | 5.98 ms 495,995 | 5 | 75.23 ms | 5 | 24.92 ms 944,282 | 5 | 131.64 ms | 5 | 76.68 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 | 8.75 ms | 4.30 ms 2 | 22.51 ms | 16.87 ms 3 | 32.05 ms | 14.45 ms 5 | 30.46 ms | 34.37 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.27 ms (baseline: 1.98 ms, +166.1%) ⚠️ sparkline.movingAvg.100: 3.00 ms (baseline: 1.57 ms, +91.3%) ⚠️ sparkline.rdp.100: 5.25 ms (baseline: 1.46 ms, +259.3%) ⚠️ sparkline.none.1000: 10.19 ms (baseline: 2.97 ms, +243.5%) ⚠️ sparkline.movingAvg.1000: 2.53 ms (baseline: 1.56 ms, +61.8%) ✓ sparkline.rdp.1000: 1.54 ms (baseline: 1.97 ms, -21.8%) ⚠️ sparkline.none.10000: 15.74 ms (baseline: 12.89 ms, +22.1%) ✓ sparkline.movingAvg.10000: 1.17 ms (baseline: 3.07 ms, -61.9%) ✓ sparkline.rdp.10000: 4.37 ms (baseline: 5.04 ms, -13.3%) ⚠️ sparkline.none.50000: 52.14 ms (baseline: 27.74 ms, +87.9%) ⚠️ sparkline.movingAvg.50000: 11.39 ms (baseline: 2.87 ms, +296.8%) ⚠️ sparkline.rdp.50000: 113.39 ms (baseline: 38.51 ms, +194.4%) ⚠️ sparkline.none.100000: 120.42 ms (baseline: 48.41 ms, +148.8%) ⚠️ sparkline.movingAvg.100000: 18.46 ms (baseline: 5.58 ms, +230.9%) ⚠️ sparkline.rdp.100000: 18.49 ms (baseline: 7.01 ms, +163.7%) ⚠️ sparkline.none.500000: 428.52 ms (baseline: 264.96 ms, +61.7%) ⚠️ sparkline.movingAvg.500000: 62.83 ms (baseline: 28.92 ms, +117.2%) ⚠️ sparkline.rdp.500000: 37.25 ms (baseline: 24.90 ms, +49.6%) ⚠️ sparkline.none.948423: 676.38 ms (baseline: 472.50 ms, +43.2%) sparkline.movingAvg.948423: 105.59 ms (baseline: 92.91 ms, +13.7%) ⚠️ sparkline.rdp.948423: 75.75 ms (baseline: 48.80 ms, +55.2%) ⚠️ windrose.aggregation.1000: 5.04 ms (baseline: 492.3 µs, +923.0%) ⚠️ windrose.draw.1000: 3.63 ms (baseline: 1.02 ms, +254.7%) ⚠️ windrose.aggregation.10000: 1.99 ms (baseline: 1.60 ms, +24.2%) ⚠️ windrose.draw.10000: 1.88 ms (baseline: 1.48 ms, +27.1%) ⚠️ windrose.aggregation.50000: 15.40 ms (baseline: 7.29 ms, +111.2%) ⚠️ windrose.draw.50000: 2.03 ms (baseline: 1.01 ms, +102.2%) ✓ windrose.aggregation.100000: 7.65 ms (baseline: 14.44 ms, -47.0%) ⚠️ windrose.draw.100000: 1.70 ms (baseline: 707.9 µs, +139.6%) ⚠️ windrose.aggregation.500000: 49.40 ms (baseline: 23.74 ms, +108.1%) ⚠️ windrose.draw.500000: 1.84 ms (baseline: 800.1 µs, +130.1%) ⚠️ windrose.aggregation.948423: 46.35 ms (baseline: 38.25 ms, +21.2%) ⚠️ windrose.draw.948423: 727.3 µs (baseline: 537.9 µs, +35.2%) ⚠️ scaling.none.1x: 8.84 ms (baseline: 4.95 ms, +78.4%) ✓ scaling.movingAvg.1x: 900.0 µs (baseline: 1.62 ms, -44.6%) scaling.rdp.1x: 594.5 µs (baseline: 603.7 µs, -1.5%) ⚠️ scaling.none.2x: 12.97 ms (baseline: 10.03 ms, +29.2%) ⚠️ scaling.movingAvg.2x: 1.99 ms (baseline: 1.13 ms, +76.4%) ✓ scaling.rdp.2x: 922.4 µs (baseline: 1.30 ms, -28.9%) ⚠️ scaling.none.5x: 37.39 ms (baseline: 24.65 ms, +51.7%) ⚠️ scaling.movingAvg.5x: 3.80 ms (baseline: 2.29 ms, +65.6%) scaling.rdp.5x: 1.86 ms (baseline: 1.98 ms, -5.9%) ⚠️ scaling.none.10x: 80.65 ms (baseline: 57.40 ms, +40.5%) ⚠️ scaling.movingAvg.10x: 10.89 ms (baseline: 5.64 ms, +93.2%) ⚠️ scaling.rdp.10x: 11.37 ms (baseline: 3.98 ms, +185.5%) ⚠️ scaling.none.20x: 128.49 ms (baseline: 105.77 ms, +21.5%) ⚠️ scaling.movingAvg.20x: 27.66 ms (baseline: 10.17 ms, +172.0%) ⚠️ scaling.rdp.20x: 8.59 ms (baseline: 7.13 ms, +20.6%) ⚠️ scaling.none.50x: 378.78 ms (baseline: 231.57 ms, +63.6%) ⚠️ scaling.movingAvg.50x: 107.09 ms (baseline: 42.98 ms, +149.2%) scaling.rdp.50x: 22.58 ms (baseline: 19.44 ms, +16.2%) ⚠️ multiseries.movingAvg.1series: 8.75 ms (baseline: 5.38 ms, +62.8%) multiseries.rdp.1series: 4.30 ms (baseline: 4.33 ms, -0.6%) ⚠️ multiseries.movingAvg.2series: 22.51 ms (baseline: 11.77 ms, +91.2%) ⚠️ multiseries.rdp.2series: 16.87 ms (baseline: 9.66 ms, +74.8%) ⚠️ multiseries.movingAvg.3series: 32.05 ms (baseline: 13.33 ms, +140.4%) multiseries.rdp.3series: 14.45 ms (baseline: 14.61 ms, -1.1%) multiseries.movingAvg.5series: 30.46 ms (baseline: 26.32 ms, +15.7%) multiseries.rdp.5series: 34.37 ms (baseline: 35.52 ms, -3.2%) 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: 48.40 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: 0.020 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: 0.038 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: 23.65 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: 01:24 min [INFO] Finished at: 2026-03-09T06:24:15Z [INFO] ------------------------------------------------------------------------