[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 6.8.0-100-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-02T16:04:47.815522836Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 16:05:37.695 [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 | 2.16 ms | 2.95 ms | 1.50 ms 1,000 | 4.23 ms | 1.42 ms | 1.72 ms 10,000 | 13.40 ms | 2.99 ms | 6.47 ms 49,871 | 29.45 ms | 5.02 ms | 23.56 ms 97,643 | 48.44 ms | 4.95 ms | 3.63 ms 495,995 | 282.30 ms | 25.20 ms | 20.72 ms 944,282 | 439.95 ms | 88.56 ms | 63.24 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 | 1.15 ms | 1.75 ms | 2.90 ms 10,000 | 1.51 ms | 1.01 ms | 2.53 ms 50,000 | 9.74 ms | 1.22 ms | 10.96 ms 100,000 | 7.39 ms | 1.73 ms | 9.12 ms 500,000 | 33.63 ms | 1.57 ms | 35.20 ms 948,423 | 52.28 ms | 785.0 µs | 53.06 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 | 4.55 ms ( 0.9x) | 616.5 µs ( 0.8x) | 1.17 ms ( 2.0x) 2x | 19,996 | 9.09 ms ( 1.9x) | 1.24 ms ( 1.5x) | 955.6 µs ( 1.7x) 5x | 49,871 | 22.20 ms ( 4.6x) | 3.16 ms ( 4.0x) | 2.04 ms ( 3.6x) 10x | 97,643 | 46.24 ms ( 9.6x) | 4.66 ms ( 5.8x) | 3.52 ms ( 6.1x) 20x | 196,569 | 102.75 ms (21.2x) | 10.76 ms (13.5x) | 8.39 ms (14.6x) 50x | 495,995 | 235.49 ms (48.6x) | 34.50 ms (43.1x) | 21.64 ms (37.7x) 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 | 193.9 µs | 5 | 251.3 µs 10,000 | 5 | 661.8 µs | 5 | 637.8 µs 97,643 | 5 | 5.71 ms | 5 | 3.40 ms 495,995 | 5 | 32.14 ms | 5 | 20.03 ms 944,282 | 5 | 96.20 ms | 5 | 48.44 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 | 4.65 ms | 5.15 ms 2 | 11.15 ms | 10.68 ms 3 | 13.41 ms | 16.40 ms 5 | 24.87 ms | 24.49 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.16 ms (baseline: 1.49 ms, +44.9%) ⚠️ sparkline.movingAvg.100: 2.95 ms (baseline: 1.97 ms, +49.8%) ✓ sparkline.rdp.100: 1.50 ms (baseline: 2.27 ms, -33.9%) ⚠️ sparkline.none.1000: 4.23 ms (baseline: 3.50 ms, +20.8%) ✓ sparkline.movingAvg.1000: 1.42 ms (baseline: 2.24 ms, -36.8%) sparkline.rdp.1000: 1.72 ms (baseline: 1.77 ms, -2.8%) ⚠️ sparkline.none.10000: 13.40 ms (baseline: 10.26 ms, +30.6%) ⚠️ sparkline.movingAvg.10000: 2.99 ms (baseline: 1.02 ms, +194.9%) ⚠️ sparkline.rdp.10000: 6.47 ms (baseline: 3.40 ms, +90.2%) sparkline.none.50000: 29.45 ms (baseline: 26.05 ms, +13.0%) ⚠️ sparkline.movingAvg.50000: 5.02 ms (baseline: 3.72 ms, +35.0%) ✓ sparkline.rdp.50000: 23.56 ms (baseline: 35.10 ms, -32.9%) sparkline.none.100000: 48.44 ms (baseline: 50.99 ms, -5.0%) ✓ sparkline.movingAvg.100000: 4.95 ms (baseline: 6.93 ms, -28.6%) ✓ sparkline.rdp.100000: 3.63 ms (baseline: 4.98 ms, -27.1%) ⚠️ sparkline.none.500000: 282.30 ms (baseline: 228.93 ms, +23.3%) ✓ sparkline.movingAvg.500000: 25.20 ms (baseline: 30.17 ms, -16.5%) ✓ sparkline.rdp.500000: 20.72 ms (baseline: 24.10 ms, -14.0%) sparkline.none.948423: 439.95 ms (baseline: 419.08 ms, +5.0%) sparkline.movingAvg.948423: 88.56 ms (baseline: 87.86 ms, +0.8%) ✓ sparkline.rdp.948423: 63.24 ms (baseline: 103.41 ms, -38.9%) ⚠️ windrose.aggregation.1000: 1.15 ms (baseline: 461.7 µs, +148.4%) ⚠️ windrose.draw.1000: 1.75 ms (baseline: 995.0 µs, +76.2%) windrose.aggregation.10000: 1.51 ms (baseline: 1.51 ms, +0.5%) ⚠️ windrose.draw.10000: 1.01 ms (baseline: 778.9 µs, +29.8%) ⚠️ windrose.aggregation.50000: 9.74 ms (baseline: 6.79 ms, +43.5%) ⚠️ windrose.draw.50000: 1.22 ms (baseline: 681.6 µs, +79.6%) ⚠️ windrose.aggregation.100000: 7.39 ms (baseline: 3.77 ms, +95.8%) ⚠️ windrose.draw.100000: 1.73 ms (baseline: 651.4 µs, +165.1%) ⚠️ windrose.aggregation.500000: 33.63 ms (baseline: 18.38 ms, +82.9%) ⚠️ windrose.draw.500000: 1.57 ms (baseline: 588.9 µs, +166.2%) ⚠️ windrose.aggregation.948423: 52.28 ms (baseline: 35.90 ms, +45.6%) ⚠️ windrose.draw.948423: 785.0 µs (baseline: 566.2 µs, +38.6%) scaling.none.1x: 4.55 ms (baseline: 4.81 ms, -5.4%) ✓ scaling.movingAvg.1x: 616.5 µs (baseline: 745.4 µs, -17.3%) ⚠️ scaling.rdp.1x: 1.17 ms (baseline: 602.9 µs, +93.6%) ✓ scaling.none.2x: 9.09 ms (baseline: 14.13 ms, -35.7%) scaling.movingAvg.2x: 1.24 ms (baseline: 1.21 ms, +2.1%) scaling.rdp.2x: 955.6 µs (baseline: 815.8 µs, +17.1%) scaling.none.5x: 22.20 ms (baseline: 21.22 ms, +4.6%) scaling.movingAvg.5x: 3.16 ms (baseline: 3.20 ms, -1.1%) scaling.rdp.5x: 2.04 ms (baseline: 1.86 ms, +9.8%) scaling.none.10x: 46.24 ms (baseline: 41.33 ms, +11.9%) ✓ scaling.movingAvg.10x: 4.66 ms (baseline: 5.42 ms, -14.0%) scaling.rdp.10x: 3.52 ms (baseline: 3.44 ms, +2.1%) scaling.none.20x: 102.75 ms (baseline: 85.99 ms, +19.5%) scaling.movingAvg.20x: 10.76 ms (baseline: 9.89 ms, +8.8%) scaling.rdp.20x: 8.39 ms (baseline: 7.55 ms, +11.1%) scaling.none.50x: 235.49 ms (baseline: 209.15 ms, +12.6%) scaling.movingAvg.50x: 34.50 ms (baseline: 35.76 ms, -3.5%) ⚠️ scaling.rdp.50x: 21.64 ms (baseline: 17.74 ms, +22.0%) ✓ multiseries.movingAvg.1series: 4.65 ms (baseline: 5.38 ms, -13.6%) ⚠️ multiseries.rdp.1series: 5.15 ms (baseline: 3.70 ms, +39.3%) multiseries.movingAvg.2series: 11.15 ms (baseline: 9.84 ms, +13.2%) multiseries.rdp.2series: 10.68 ms (baseline: 10.46 ms, +2.1%) ✓ multiseries.movingAvg.3series: 13.41 ms (baseline: 17.96 ms, -25.3%) ⚠️ multiseries.rdp.3series: 16.40 ms (baseline: 13.64 ms, +20.2%) multiseries.movingAvg.5series: 24.87 ms (baseline: 23.28 ms, +6.8%) multiseries.rdp.5series: 24.49 ms (baseline: 23.70 ms, +3.3%) 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: 33.07 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: 0.009 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: 0.011 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: 14.48 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: 57.426 s [INFO] Finished at: 2026-03-02T16:06:12Z [INFO] ------------------------------------------------------------------------