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: 1.442 s [INFO] Finished at: 2026-02-25T06:23:55Z [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 -> 25.0.5 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.320 s [INFO] Finished at: 2026-02-25T06:23:58Z [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 6.8.0-100-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-02-25T04:47:07.143691138Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 06:24:18.029 [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 | 1.45 ms | 1.60 ms | 1.08 ms 1,000 | 2.78 ms | 1.31 ms | 1.50 ms 10,000 | 17.12 ms | 4.88 ms | 12.44 ms 49,871 | 31.75 ms | 6.15 ms | 33.84 ms 97,643 | 51.27 ms | 7.35 ms | 4.71 ms 495,995 | 242.74 ms | 46.24 ms | 55.70 ms 944,282 | 429.95 ms | 93.76 ms | 49.95 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 | 3.69 ms | 1.33 ms | 5.02 ms 10,000 | 2.91 ms | 1.35 ms | 4.26 ms 50,000 | 11.29 ms | 1.11 ms | 12.39 ms 100,000 | 4.18 ms | 1.06 ms | 5.25 ms 500,000 | 20.69 ms | 941.6 µs | 21.64 ms 948,423 | 40.35 ms | 945.2 µs | 41.29 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 | 43.10 ms ( 5.7x) | 1.00 ms ( 1.0x) | 642.2 µs ( 0.5x) 2x | 19,996 | 11.44 ms ( 1.5x) | 1.53 ms ( 1.5x) | 1.00 ms ( 0.8x) 5x | 49,871 | 24.85 ms ( 3.3x) | 2.47 ms ( 2.5x) | 1.90 ms ( 1.5x) 10x | 97,643 | 59.82 ms ( 8.0x) | 4.54 ms ( 4.5x) | 4.81 ms ( 3.9x) 20x | 196,569 | 86.32 ms (11.5x) | 11.32 ms (11.2x) | 13.67 ms (11.1x) 50x | 495,995 | 223.68 ms (29.8x) | 26.16 ms (26.0x) | 23.60 ms (19.2x) 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 | 187.3 µs | 5 | 233.9 µs 10,000 | 5 | 600.2 µs | 5 | 501.1 µs 97,643 | 5 | 4.59 ms | 5 | 3.47 ms 495,995 | 5 | 40.45 ms | 5 | 32.18 ms 944,282 | 5 | 87.70 ms | 5 | 56.49 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 | 4.85 ms | 3.64 ms 2 | 8.41 ms | 9.10 ms 3 | 15.57 ms | 15.86 ms 5 | 22.36 ms | 24.90 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.45 ms (baseline: 1.93 ms, -24.6%) sparkline.movingAvg.100: 1.60 ms (baseline: 1.55 ms, +3.1%) ✓ sparkline.rdp.100: 1.08 ms (baseline: 1.67 ms, -35.6%) sparkline.none.1000: 2.78 ms (baseline: 2.94 ms, -5.4%) ✓ sparkline.movingAvg.1000: 1.31 ms (baseline: 2.18 ms, -39.9%) ✓ sparkline.rdp.1000: 1.50 ms (baseline: 2.66 ms, -43.6%) ⚠️ sparkline.none.10000: 17.12 ms (baseline: 13.12 ms, +30.5%) ⚠️ sparkline.movingAvg.10000: 4.88 ms (baseline: 3.51 ms, +39.3%) ⚠️ sparkline.rdp.10000: 12.44 ms (baseline: 5.82 ms, +113.8%) sparkline.none.50000: 31.75 ms (baseline: 32.34 ms, -1.8%) ⚠️ sparkline.movingAvg.50000: 6.15 ms (baseline: 3.75 ms, +64.2%) ✓ sparkline.rdp.50000: 33.84 ms (baseline: 61.98 ms, -45.4%) sparkline.none.100000: 51.27 ms (baseline: 45.12 ms, +13.6%) ⚠️ sparkline.movingAvg.100000: 7.35 ms (baseline: 4.94 ms, +49.0%) ⚠️ sparkline.rdp.100000: 4.71 ms (baseline: 3.71 ms, +27.0%) ✓ sparkline.none.500000: 242.74 ms (baseline: 278.48 ms, -12.8%) sparkline.movingAvg.500000: 46.24 ms (baseline: 44.27 ms, +4.4%) ⚠️ sparkline.rdp.500000: 55.70 ms (baseline: 19.01 ms, +193.0%) ✓ sparkline.none.948423: 429.95 ms (baseline: 490.77 ms, -12.4%) sparkline.movingAvg.948423: 93.76 ms (baseline: 92.84 ms, +1.0%) ✓ sparkline.rdp.948423: 49.95 ms (baseline: 61.40 ms, -18.6%) ⚠️ windrose.aggregation.1000: 3.69 ms (baseline: 499.2 µs, +638.8%) ✓ windrose.draw.1000: 1.33 ms (baseline: 2.65 ms, -49.8%) ⚠️ windrose.aggregation.10000: 2.91 ms (baseline: 1.51 ms, +93.0%) ⚠️ windrose.draw.10000: 1.35 ms (baseline: 895.7 µs, +51.2%) windrose.aggregation.50000: 11.29 ms (baseline: 10.07 ms, +12.1%) ⚠️ windrose.draw.50000: 1.11 ms (baseline: 808.0 µs, +36.8%) ✓ windrose.aggregation.100000: 4.18 ms (baseline: 10.81 ms, -61.3%) ⚠️ windrose.draw.100000: 1.06 ms (baseline: 801.1 µs, +32.6%) windrose.aggregation.500000: 20.69 ms (baseline: 21.37 ms, -3.1%) ⚠️ windrose.draw.500000: 941.6 µs (baseline: 649.0 µs, +45.1%) ✓ windrose.aggregation.948423: 40.35 ms (baseline: 47.56 ms, -15.2%) ✓ windrose.draw.948423: 945.2 µs (baseline: 1.88 ms, -49.8%) ⚠️ scaling.none.1x: 43.10 ms (baseline: 5.48 ms, +686.6%) ⚠️ scaling.movingAvg.1x: 1.00 ms (baseline: 823.7 µs, +21.9%) scaling.rdp.1x: 642.2 µs (baseline: 662.3 µs, -3.0%) ⚠️ scaling.none.2x: 11.44 ms (baseline: 9.52 ms, +20.2%) scaling.movingAvg.2x: 1.53 ms (baseline: 1.53 ms, +0.0%) scaling.rdp.2x: 1.00 ms (baseline: 909.9 µs, +10.2%) scaling.none.5x: 24.85 ms (baseline: 21.24 ms, +17.0%) ✓ scaling.movingAvg.5x: 2.47 ms (baseline: 3.62 ms, -31.9%) ✓ scaling.rdp.5x: 1.90 ms (baseline: 2.20 ms, -13.6%) ⚠️ scaling.none.10x: 59.82 ms (baseline: 40.01 ms, +49.5%) ✓ scaling.movingAvg.10x: 4.54 ms (baseline: 5.35 ms, -15.1%) ⚠️ scaling.rdp.10x: 4.81 ms (baseline: 3.46 ms, +38.9%) scaling.none.20x: 86.32 ms (baseline: 93.27 ms, -7.5%) scaling.movingAvg.20x: 11.32 ms (baseline: 10.77 ms, +5.0%) ✓ scaling.rdp.20x: 13.67 ms (baseline: 21.93 ms, -37.7%) scaling.none.50x: 223.68 ms (baseline: 245.94 ms, -9.1%) ✓ scaling.movingAvg.50x: 26.16 ms (baseline: 38.16 ms, -31.4%) scaling.rdp.50x: 23.60 ms (baseline: 25.30 ms, -6.7%) ✓ multiseries.movingAvg.1series: 4.85 ms (baseline: 9.17 ms, -47.1%) ✓ multiseries.rdp.1series: 3.64 ms (baseline: 6.61 ms, -44.9%) ✓ multiseries.movingAvg.2series: 8.41 ms (baseline: 10.25 ms, -18.0%) ✓ multiseries.rdp.2series: 9.10 ms (baseline: 11.84 ms, -23.1%) multiseries.movingAvg.3series: 15.57 ms (baseline: 13.79 ms, +12.9%) multiseries.rdp.3series: 15.86 ms (baseline: 16.02 ms, -1.0%) multiseries.movingAvg.5series: 22.36 ms (baseline: 22.51 ms, -0.7%) ✓ multiseries.rdp.5series: 24.90 ms (baseline: 29.70 ms, -16.1%) 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: 31.34 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: 0.011 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: 0.021 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: 14.96 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: 52.151 s [INFO] Finished at: 2026-02-25T06:24:52Z [INFO] ------------------------------------------------------------------------