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 8144624 deps so that they build also with Spring Boot 404 aka Jackson not Found $ mvn versions:set-property -Dproperty=vaadin.version -DnewVersion=25.1-SNAPSHOT -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 100, 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: 2.236 s [INFO] Finished at: 2026-06-14T11:08:12Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-SNAPSHOT -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml [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 100, 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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.305 s [INFO] Finished at: 2026-06-14T11:08:17Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress --settings /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/settings.xml -DskipPerformanceValidation=true [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 100, 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 6.8.0-124-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-14T10:15:38.796350941Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 11:08:51.728 [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 | 3.47 ms | 8.43 ms | 4.36 ms 1,000 | 9.91 ms | 2.97 ms | 3.47 ms 10,000 | 28.92 ms | 2.54 ms | 4.65 ms 49,871 | 36.12 ms | 3.98 ms | 33.64 ms 97,643 | 72.19 ms | 13.61 ms | 11.01 ms 495,995 | 331.11 ms | 57.80 ms | 24.49 ms 944,282 | 651.45 ms | 124.84 ms | 78.29 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 | 817.3 µs | 1.36 ms | 2.18 ms 10,000 | 1.54 ms | 2.61 ms | 4.15 ms 50,000 | 11.99 ms | 923.3 µs | 12.92 ms 100,000 | 7.14 ms | 790.8 µs | 7.93 ms 500,000 | 18.13 ms | 799.2 µs | 18.93 ms 948,423 | 35.67 ms | 1.21 ms | 36.89 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 | 12.72 ms ( 0.8x) | 2.09 ms ( 2.5x) | 1.94 ms ( 1.6x) 2x | 19,996 | 10.15 ms ( 0.6x) | 1.52 ms ( 1.8x) | 928.8 µs ( 0.8x) 5x | 49,871 | 33.62 ms ( 2.0x) | 6.30 ms ( 7.6x) | 4.87 ms ( 4.0x) 10x | 97,643 | 54.77 ms ( 3.3x) | 5.98 ms ( 7.2x) | 4.46 ms ( 3.7x) 20x | 196,569 | 127.17 ms ( 7.7x) | 15.92 ms (19.2x) | 16.64 ms (13.8x) 50x | 495,995 | 319.48 ms (19.3x) | 50.58 ms (61.0x) | 25.27 ms (20.9x) 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 | 234.3 µs | 5 | 233.2 µs 10,000 | 5 | 829.4 µs | 5 | 488.5 µs 97,643 | 5 | 5.19 ms | 5 | 3.82 ms 495,995 | 5 | 39.45 ms | 5 | 42.41 ms 944,282 | 5 | 111.34 ms | 5 | 87.84 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 | 12.32 ms | 6.87 ms 2 | 15.72 ms | 16.83 ms 3 | 22.18 ms | 19.82 ms 5 | 35.05 ms | 27.84 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.47 ms (baseline: 2.28 ms, +52.0%) ⚠️ sparkline.movingAvg.100: 8.43 ms (baseline: 3.32 ms, +153.9%) ⚠️ sparkline.rdp.100: 4.36 ms (baseline: 3.34 ms, +30.6%) ⚠️ sparkline.none.1000: 9.91 ms (baseline: 8.20 ms, +20.8%) ✓ sparkline.movingAvg.1000: 2.97 ms (baseline: 3.69 ms, -19.4%) ⚠️ sparkline.rdp.1000: 3.47 ms (baseline: 2.35 ms, +47.8%) sparkline.none.10000: 28.92 ms (baseline: 28.13 ms, +2.8%) ✓ sparkline.movingAvg.10000: 2.54 ms (baseline: 4.48 ms, -43.3%) ✓ sparkline.rdp.10000: 4.65 ms (baseline: 10.89 ms, -57.3%) ✓ sparkline.none.50000: 36.12 ms (baseline: 57.62 ms, -37.3%) ⚠️ sparkline.movingAvg.50000: 3.98 ms (baseline: 2.98 ms, +33.5%) ✓ sparkline.rdp.50000: 33.64 ms (baseline: 84.41 ms, -60.1%) sparkline.none.100000: 72.19 ms (baseline: 76.29 ms, -5.4%) ⚠️ sparkline.movingAvg.100000: 13.61 ms (baseline: 6.04 ms, +125.6%) ⚠️ sparkline.rdp.100000: 11.01 ms (baseline: 8.80 ms, +25.2%) sparkline.none.500000: 331.11 ms (baseline: 310.33 ms, +6.7%) ⚠️ sparkline.movingAvg.500000: 57.80 ms (baseline: 36.25 ms, +59.5%) ✓ sparkline.rdp.500000: 24.49 ms (baseline: 57.88 ms, -57.7%) sparkline.none.948423: 651.45 ms (baseline: 625.19 ms, +4.2%) ⚠️ sparkline.movingAvg.948423: 124.84 ms (baseline: 88.71 ms, +40.7%) ✓ sparkline.rdp.948423: 78.29 ms (baseline: 124.13 ms, -36.9%) ⚠️ windrose.aggregation.1000: 817.3 µs (baseline: 468.1 µs, +74.6%) ✓ windrose.draw.1000: 1.36 ms (baseline: 2.29 ms, -40.4%) windrose.aggregation.10000: 1.54 ms (baseline: 1.48 ms, +4.5%) ⚠️ windrose.draw.10000: 2.61 ms (baseline: 871.0 µs, +199.2%) windrose.aggregation.50000: 11.99 ms (baseline: 11.85 ms, +1.3%) ✓ windrose.draw.50000: 923.3 µs (baseline: 2.83 ms, -67.4%) ✓ windrose.aggregation.100000: 7.14 ms (baseline: 16.07 ms, -55.6%) ✓ windrose.draw.100000: 790.8 µs (baseline: 1.41 ms, -43.9%) windrose.aggregation.500000: 18.13 ms (baseline: 18.85 ms, -3.9%) ⚠️ windrose.draw.500000: 799.2 µs (baseline: 659.2 µs, +21.2%) windrose.aggregation.948423: 35.67 ms (baseline: 34.76 ms, +2.6%) ✓ windrose.draw.948423: 1.21 ms (baseline: 1.55 ms, -21.6%) scaling.none.1x: 12.72 ms (baseline: 11.28 ms, +12.8%) ⚠️ scaling.movingAvg.1x: 2.09 ms (baseline: 1.33 ms, +57.4%) ⚠️ scaling.rdp.1x: 1.94 ms (baseline: 609.0 µs, +218.1%) ✓ scaling.none.2x: 10.15 ms (baseline: 17.48 ms, -41.9%) ✓ scaling.movingAvg.2x: 1.52 ms (baseline: 2.55 ms, -40.3%) ✓ scaling.rdp.2x: 928.8 µs (baseline: 1.82 ms, -49.0%) ✓ scaling.none.5x: 33.62 ms (baseline: 57.19 ms, -41.2%) ⚠️ scaling.movingAvg.5x: 6.30 ms (baseline: 4.60 ms, +37.0%) scaling.rdp.5x: 4.87 ms (baseline: 4.43 ms, +10.0%) ✓ scaling.none.10x: 54.77 ms (baseline: 77.15 ms, -29.0%) ⚠️ scaling.movingAvg.10x: 5.98 ms (baseline: 4.97 ms, +20.2%) ✓ scaling.rdp.10x: 4.46 ms (baseline: 5.65 ms, -21.0%) ✓ scaling.none.20x: 127.17 ms (baseline: 144.74 ms, -12.1%) ⚠️ scaling.movingAvg.20x: 15.92 ms (baseline: 12.66 ms, +25.8%) ⚠️ scaling.rdp.20x: 16.64 ms (baseline: 9.26 ms, +79.8%) scaling.none.50x: 319.48 ms (baseline: 286.70 ms, +11.4%) ⚠️ scaling.movingAvg.50x: 50.58 ms (baseline: 26.94 ms, +87.8%) scaling.rdp.50x: 25.27 ms (baseline: 22.28 ms, +13.4%) ⚠️ multiseries.movingAvg.1series: 12.32 ms (baseline: 5.98 ms, +105.8%) ✓ multiseries.rdp.1series: 6.87 ms (baseline: 17.65 ms, -61.1%) multiseries.movingAvg.2series: 15.72 ms (baseline: 13.24 ms, +18.8%) ⚠️ multiseries.rdp.2series: 16.83 ms (baseline: 11.83 ms, +42.3%) multiseries.movingAvg.3series: 22.18 ms (baseline: 23.84 ms, -7.0%) multiseries.rdp.3series: 19.82 ms (baseline: 18.76 ms, +5.6%) ✓ multiseries.movingAvg.5series: 35.05 ms (baseline: 42.38 ms, -17.3%) ✓ multiseries.rdp.5series: 27.84 ms (baseline: 31.25 ms, -10.9%) 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: 42.64 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: 0.046 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: 0.051 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: 18.95 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: 01:11 min [INFO] Finished at: 2026-06-14T11:09:38Z [INFO] ------------------------------------------------------------------------