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 f5569af Tuning testing setup for less stable CI environment [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: 2.523 s [INFO] Finished at: 2026-03-03T06:17:05Z [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: 2.320 s [INFO] Finished at: 2026-03-03T06:17:10Z [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: 2026-03-03T04:45:35.318461661Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:17:40.170 [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 | 5.08 ms | 4.45 ms | 2.66 ms 1,000 | 7.62 ms | 3.90 ms | 3.27 ms 10,000 | 42.62 ms | 8.73 ms | 15.51 ms 49,871 | 39.03 ms | 5.33 ms | 9.53 ms 97,643 | 108.97 ms | 9.82 ms | 6.92 ms 495,995 | 351.58 ms | 51.17 ms | 30.01 ms 944,282 | 623.69 ms | 102.68 ms | 112.75 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 | 414.0 µs | 2.37 ms | 2.78 ms 10,000 | 1.78 ms | 1.16 ms | 2.93 ms 50,000 | 16.44 ms | 879.9 µs | 17.32 ms 100,000 | 6.63 ms | 778.4 µs | 7.41 ms 500,000 | 23.42 ms | 566.0 µs | 23.98 ms 948,423 | 36.72 ms | 1.05 ms | 37.77 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 | 6.89 ms ( 0.6x) | 1.71 ms ( 0.9x) | 2.18 ms ( 1.3x) 2x | 19,996 | 12.70 ms ( 1.1x) | 3.18 ms ( 1.7x) | 2.18 ms ( 1.3x) 5x | 49,871 | 30.15 ms ( 2.7x) | 2.64 ms ( 1.4x) | 1.96 ms ( 1.2x) 10x | 97,643 | 49.43 ms ( 4.4x) | 7.37 ms ( 3.8x) | 3.30 ms ( 2.0x) 20x | 196,569 | 123.73 ms (11.1x) | 9.64 ms ( 5.0x) | 8.18 ms ( 4.9x) 50x | 495,995 | 245.28 ms (22.0x) | 45.10 ms (23.4x) | 38.41 ms (23.1x) 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 | 161.4 µs | 5 | 763.9 µs 10,000 | 5 | 1.81 ms | 5 | 38.16 ms 97,643 | 5 | 5.27 ms | 5 | 3.48 ms 495,995 | 5 | 59.30 ms | 5 | 20.83 ms 944,282 | 5 | 110.73 ms | 5 | 80.18 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 | 8.42 ms | 4.12 ms 2 | 11.07 ms | 14.71 ms 3 | 22.00 ms | 20.15 ms 5 | 24.21 ms | 29.29 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.08 ms (baseline: 1.45 ms, +251.2%) ⚠️ sparkline.movingAvg.100: 4.45 ms (baseline: 1.73 ms, +157.2%) ⚠️ sparkline.rdp.100: 2.66 ms (baseline: 1.25 ms, +113.3%) ⚠️ sparkline.none.1000: 7.62 ms (baseline: 4.35 ms, +75.1%) ⚠️ sparkline.movingAvg.1000: 3.90 ms (baseline: 2.53 ms, +54.2%) ⚠️ sparkline.rdp.1000: 3.27 ms (baseline: 2.28 ms, +43.6%) ⚠️ sparkline.none.10000: 42.62 ms (baseline: 14.90 ms, +186.0%) ⚠️ sparkline.movingAvg.10000: 8.73 ms (baseline: 3.86 ms, +126.2%) ⚠️ sparkline.rdp.10000: 15.51 ms (baseline: 3.54 ms, +338.5%) ⚠️ sparkline.none.50000: 39.03 ms (baseline: 30.35 ms, +28.6%) sparkline.movingAvg.50000: 5.33 ms (baseline: 5.36 ms, -0.6%) ✓ sparkline.rdp.50000: 9.53 ms (baseline: 57.96 ms, -83.6%) ⚠️ sparkline.none.100000: 108.97 ms (baseline: 64.00 ms, +70.3%) ⚠️ sparkline.movingAvg.100000: 9.82 ms (baseline: 6.98 ms, +40.8%) ⚠️ sparkline.rdp.100000: 6.92 ms (baseline: 5.56 ms, +24.5%) ⚠️ sparkline.none.500000: 351.58 ms (baseline: 274.66 ms, +28.0%) ⚠️ sparkline.movingAvg.500000: 51.17 ms (baseline: 36.09 ms, +41.8%) ⚠️ sparkline.rdp.500000: 30.01 ms (baseline: 22.40 ms, +34.0%) ⚠️ sparkline.none.948423: 623.69 ms (baseline: 477.48 ms, +30.6%) sparkline.movingAvg.948423: 102.68 ms (baseline: 96.69 ms, +6.2%) sparkline.rdp.948423: 112.75 ms (baseline: 112.07 ms, +0.6%) ✓ windrose.aggregation.1000: 414.0 µs (baseline: 2.29 ms, -81.9%) windrose.draw.1000: 2.37 ms (baseline: 2.52 ms, -6.0%) ✓ windrose.aggregation.10000: 1.78 ms (baseline: 5.25 ms, -66.2%) ✓ windrose.draw.10000: 1.16 ms (baseline: 1.62 ms, -28.4%) ⚠️ windrose.aggregation.50000: 16.44 ms (baseline: 11.11 ms, +48.0%) ✓ windrose.draw.50000: 879.9 µs (baseline: 1.09 ms, -19.1%) ⚠️ windrose.aggregation.100000: 6.63 ms (baseline: 4.63 ms, +43.2%) ✓ windrose.draw.100000: 778.4 µs (baseline: 2.42 ms, -67.8%) ✓ windrose.aggregation.500000: 23.42 ms (baseline: 29.07 ms, -19.5%) ✓ windrose.draw.500000: 566.0 µs (baseline: 1.29 ms, -56.0%) ✓ windrose.aggregation.948423: 36.72 ms (baseline: 44.94 ms, -18.3%) ✓ windrose.draw.948423: 1.05 ms (baseline: 3.86 ms, -72.7%) ✓ scaling.none.1x: 6.89 ms (baseline: 9.25 ms, -25.5%) ⚠️ scaling.movingAvg.1x: 1.71 ms (baseline: 1.08 ms, +57.9%) ⚠️ scaling.rdp.1x: 2.18 ms (baseline: 838.6 µs, +160.1%) ⚠️ scaling.none.2x: 12.70 ms (baseline: 9.16 ms, +38.7%) ⚠️ scaling.movingAvg.2x: 3.18 ms (baseline: 1.09 ms, +191.5%) ⚠️ scaling.rdp.2x: 2.18 ms (baseline: 832.9 µs, +161.5%) ⚠️ scaling.none.5x: 30.15 ms (baseline: 21.94 ms, +37.4%) scaling.movingAvg.5x: 2.64 ms (baseline: 2.67 ms, -1.1%) scaling.rdp.5x: 1.96 ms (baseline: 1.74 ms, +13.1%) scaling.none.10x: 49.43 ms (baseline: 43.57 ms, +13.5%) ⚠️ scaling.movingAvg.10x: 7.37 ms (baseline: 4.50 ms, +63.5%) ✓ scaling.rdp.10x: 3.30 ms (baseline: 4.25 ms, -22.4%) ⚠️ scaling.none.20x: 123.73 ms (baseline: 96.84 ms, +27.8%) scaling.movingAvg.20x: 9.64 ms (baseline: 9.90 ms, -2.6%) scaling.rdp.20x: 8.18 ms (baseline: 7.61 ms, +7.5%) scaling.none.50x: 245.28 ms (baseline: 243.22 ms, +0.8%) ⚠️ scaling.movingAvg.50x: 45.10 ms (baseline: 29.34 ms, +53.7%) ⚠️ scaling.rdp.50x: 38.41 ms (baseline: 19.42 ms, +97.8%) ⚠️ multiseries.movingAvg.1series: 8.42 ms (baseline: 5.16 ms, +63.1%) ⚠️ multiseries.rdp.1series: 4.12 ms (baseline: 3.27 ms, +26.0%) multiseries.movingAvg.2series: 11.07 ms (baseline: 11.00 ms, +0.6%) ⚠️ multiseries.rdp.2series: 14.71 ms (baseline: 10.39 ms, +41.6%) ⚠️ multiseries.movingAvg.3series: 22.00 ms (baseline: 15.83 ms, +39.0%) multiseries.rdp.3series: 20.15 ms (baseline: 20.14 ms, +0.0%) multiseries.movingAvg.5series: 24.21 ms (baseline: 26.56 ms, -8.8%) multiseries.rdp.5series: 29.29 ms (baseline: 25.74 ms, +13.8%) 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: 42.44 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: 0.012 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: 15.48 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: 01:08 min [INFO] Finished at: 2026-03-03T06:18:21Z [INFO] ------------------------------------------------------------------------