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: 2.388 s [INFO] Finished at: 2026-03-07T06:11:03Z [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: 2.362 s [INFO] Finished at: 2026-03-07T06:11:09Z [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: 2026-03-07T04:42:28.958002167Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:11:40.786 [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 | 2.11 ms | 2.83 ms | 2.47 ms 1,000 | 6.77 ms | 3.67 ms | 4.95 ms 10,000 | 28.55 ms | 6.08 ms | 9.34 ms 49,871 | 59.80 ms | 7.76 ms | 86.74 ms 97,643 | 134.42 ms | 7.69 ms | 8.05 ms 495,995 | 362.72 ms | 35.99 ms | 31.56 ms 944,282 | 644.37 ms | 153.71 ms | 82.19 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 | 507.6 µs | 6.51 ms | 7.02 ms 10,000 | 2.31 ms | 2.15 ms | 4.46 ms 50,000 | 30.82 ms | 5.21 ms | 36.02 ms 100,000 | 11.57 ms | 3.26 ms | 14.83 ms 500,000 | 87.97 ms | 644.1 µs | 88.61 ms 948,423 | 37.97 ms | 2.75 ms | 40.72 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 | 8.81 ms ( 0.5x) | 1.94 ms ( 1.7x) | 2.10 ms ( 1.3x) 2x | 19,996 | 15.61 ms ( 0.9x) | 2.86 ms ( 2.6x) | 2.28 ms ( 1.4x) 5x | 49,871 | 38.60 ms ( 2.3x) | 5.79 ms ( 5.2x) | 3.87 ms ( 2.4x) 10x | 97,643 | 75.47 ms ( 4.5x) | 7.50 ms ( 6.7x) | 3.95 ms ( 2.4x) 20x | 196,569 | 111.38 ms ( 6.7x) | 13.36 ms (12.0x) | 10.66 ms ( 6.5x) 50x | 495,995 | 344.87 ms (20.7x) | 52.14 ms (46.6x) | 19.13 ms (11.7x) 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 | 206.4 µs | 5 | 236.5 µs 10,000 | 5 | 1.14 ms | 5 | 1.08 ms 97,643 | 5 | 4.96 ms | 5 | 3.24 ms 495,995 | 5 | 54.33 ms | 5 | 35.39 ms 944,282 | 5 | 123.81 ms | 5 | 51.41 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 | 8.54 ms | 7.08 ms 2 | 14.93 ms | 14.83 ms 3 | 14.83 ms | 18.17 ms 5 | 25.81 ms | 32.42 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.11 ms (baseline: 3.05 ms, -30.8%) ⚠️ sparkline.movingAvg.100: 2.83 ms (baseline: 1.57 ms, +80.1%) sparkline.rdp.100: 2.47 ms (baseline: 2.30 ms, +7.6%) ⚠️ sparkline.none.1000: 6.77 ms (baseline: 4.26 ms, +59.0%) ✓ sparkline.movingAvg.1000: 3.67 ms (baseline: 4.16 ms, -11.7%) ⚠️ sparkline.rdp.1000: 4.95 ms (baseline: 1.84 ms, +169.7%) ⚠️ sparkline.none.10000: 28.55 ms (baseline: 23.01 ms, +24.1%) ⚠️ sparkline.movingAvg.10000: 6.08 ms (baseline: 2.97 ms, +104.9%) sparkline.rdp.10000: 9.34 ms (baseline: 8.16 ms, +14.4%) ⚠️ sparkline.none.50000: 59.80 ms (baseline: 39.14 ms, +52.8%) ⚠️ sparkline.movingAvg.50000: 7.76 ms (baseline: 3.32 ms, +133.9%) ⚠️ sparkline.rdp.50000: 86.74 ms (baseline: 27.05 ms, +220.6%) ⚠️ sparkline.none.100000: 134.42 ms (baseline: 61.90 ms, +117.2%) sparkline.movingAvg.100000: 7.69 ms (baseline: 6.80 ms, +13.1%) sparkline.rdp.100000: 8.05 ms (baseline: 7.69 ms, +4.7%) ⚠️ sparkline.none.500000: 362.72 ms (baseline: 289.01 ms, +25.5%) sparkline.movingAvg.500000: 35.99 ms (baseline: 37.13 ms, -3.1%) ⚠️ sparkline.rdp.500000: 31.56 ms (baseline: 22.03 ms, +43.2%) ⚠️ sparkline.none.948423: 644.37 ms (baseline: 455.06 ms, +41.6%) ⚠️ sparkline.movingAvg.948423: 153.71 ms (baseline: 99.10 ms, +55.1%) ✓ sparkline.rdp.948423: 82.19 ms (baseline: 104.47 ms, -21.3%) ✓ windrose.aggregation.1000: 507.6 µs (baseline: 1.21 ms, -57.9%) ⚠️ windrose.draw.1000: 6.51 ms (baseline: 1.94 ms, +236.0%) ✓ windrose.aggregation.10000: 2.31 ms (baseline: 2.68 ms, -13.6%) ⚠️ windrose.draw.10000: 2.15 ms (baseline: 724.9 µs, +196.5%) ⚠️ windrose.aggregation.50000: 30.82 ms (baseline: 9.83 ms, +213.4%) ⚠️ windrose.draw.50000: 5.21 ms (baseline: 1.65 ms, +215.7%) windrose.aggregation.100000: 11.57 ms (baseline: 11.20 ms, +3.2%) ⚠️ windrose.draw.100000: 3.26 ms (baseline: 1.28 ms, +154.9%) ⚠️ windrose.aggregation.500000: 87.97 ms (baseline: 29.89 ms, +194.3%) windrose.draw.500000: 644.1 µs (baseline: 622.1 µs, +3.5%) windrose.aggregation.948423: 37.97 ms (baseline: 36.97 ms, +2.7%) ⚠️ windrose.draw.948423: 2.75 ms (baseline: 560.2 µs, +391.0%) scaling.none.1x: 8.81 ms (baseline: 9.60 ms, -8.2%) ⚠️ scaling.movingAvg.1x: 1.94 ms (baseline: 653.9 µs, +197.2%) ⚠️ scaling.rdp.1x: 2.10 ms (baseline: 554.9 µs, +277.9%) ⚠️ scaling.none.2x: 15.61 ms (baseline: 8.77 ms, +78.0%) ⚠️ scaling.movingAvg.2x: 2.86 ms (baseline: 1.21 ms, +136.2%) ✓ scaling.rdp.2x: 2.28 ms (baseline: 2.80 ms, -18.6%) ⚠️ scaling.none.5x: 38.60 ms (baseline: 24.58 ms, +57.0%) ⚠️ scaling.movingAvg.5x: 5.79 ms (baseline: 2.57 ms, +125.2%) ⚠️ scaling.rdp.5x: 3.87 ms (baseline: 2.02 ms, +91.8%) ⚠️ scaling.none.10x: 75.47 ms (baseline: 47.47 ms, +59.0%) ⚠️ scaling.movingAvg.10x: 7.50 ms (baseline: 5.46 ms, +37.5%) ✓ scaling.rdp.10x: 3.95 ms (baseline: 5.73 ms, -31.1%) scaling.none.20x: 111.38 ms (baseline: 98.56 ms, +13.0%) ⚠️ scaling.movingAvg.20x: 13.36 ms (baseline: 9.98 ms, +34.0%) ⚠️ scaling.rdp.20x: 10.66 ms (baseline: 7.52 ms, +41.8%) ⚠️ scaling.none.50x: 344.87 ms (baseline: 255.93 ms, +34.8%) scaling.movingAvg.50x: 52.14 ms (baseline: 43.46 ms, +20.0%) scaling.rdp.50x: 19.13 ms (baseline: 20.62 ms, -7.2%) ⚠️ multiseries.movingAvg.1series: 8.54 ms (baseline: 5.53 ms, +54.4%) ⚠️ multiseries.rdp.1series: 7.08 ms (baseline: 4.33 ms, +63.6%) ⚠️ multiseries.movingAvg.2series: 14.93 ms (baseline: 10.73 ms, +39.1%) ⚠️ multiseries.rdp.2series: 14.83 ms (baseline: 11.56 ms, +28.3%) multiseries.movingAvg.3series: 14.83 ms (baseline: 14.89 ms, -0.4%) ⚠️ multiseries.rdp.3series: 18.17 ms (baseline: 14.53 ms, +25.1%) multiseries.movingAvg.5series: 25.81 ms (baseline: 27.72 ms, -6.9%) multiseries.rdp.5series: 32.42 ms (baseline: 27.07 ms, +19.8%) 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: 46.31 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: 0.025 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: 0.028 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: 21.58 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: 01:19 min [INFO] Finished at: 2026-03-07T06:12:31Z [INFO] ------------------------------------------------------------------------