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=25.0-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: 2.482 s [INFO] Finished at: 2026-04-24T09:37:48Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.0-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 -> 25.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.161 s [INFO] Finished at: 2026-04-24T09:37:53Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-24T07:48:02.536716631Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 09:38:22.126 [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 | 1.38 ms | 3.79 ms | 5.48 ms 1,000 | 9.11 ms | 8.85 ms | 4.57 ms 10,000 | 15.38 ms | 1.02 ms | 3.59 ms 49,871 | 41.67 ms | 4.09 ms | 41.49 ms 97,643 | 54.86 ms | 10.43 ms | 5.81 ms 495,995 | 316.88 ms | 26.86 ms | 19.42 ms 944,282 | 590.91 ms | 143.77 ms | 147.01 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 | 4.77 ms | 1.63 ms | 6.40 ms 10,000 | 6.62 ms | 7.85 ms | 14.47 ms 50,000 | 25.74 ms | 609.1 µs | 26.35 ms 100,000 | 14.63 ms | 845.2 µs | 15.47 ms 500,000 | 19.37 ms | 1.76 ms | 21.13 ms 948,423 | 30.17 ms | 573.5 µs | 30.75 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 | 7.90 ms ( 1.1x) | 2.17 ms ( 3.0x) | 1.89 ms ( 1.8x) 2x | 19,996 | 10.45 ms ( 1.5x) | 4.34 ms ( 6.0x) | 1.07 ms ( 1.0x) 5x | 49,871 | 41.89 ms ( 5.8x) | 2.68 ms ( 3.7x) | 2.09 ms ( 2.0x) 10x | 97,643 | 47.73 ms ( 6.6x) | 5.10 ms ( 7.1x) | 4.43 ms ( 4.2x) 20x | 196,569 | 126.53 ms (17.6x) | 14.72 ms (20.4x) | 9.31 ms ( 8.9x) 50x | 495,995 | 308.44 ms (42.8x) | 44.44 ms (61.6x) | 25.96 ms (24.8x) 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 | 1.94 ms | 5 | 194.7 µs 10,000 | 5 | 764.8 µs | 5 | 481.5 µs 97,643 | 5 | 7.35 ms | 5 | 3.23 ms 495,995 | 5 | 33.11 ms | 5 | 39.71 ms 944,282 | 5 | 98.38 ms | 5 | 139.55 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 | 4.99 ms | 4.36 ms 2 | 12.54 ms | 9.87 ms 3 | 16.90 ms | 14.32 ms 5 | 43.51 ms | 29.33 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.38 ms (baseline: 2.44 ms, -43.3%) ✓ sparkline.movingAvg.100: 3.79 ms (baseline: 5.49 ms, -30.9%) ⚠️ sparkline.rdp.100: 5.48 ms (baseline: 3.96 ms, +38.4%) ⚠️ sparkline.none.1000: 9.11 ms (baseline: 6.79 ms, +34.1%) ⚠️ sparkline.movingAvg.1000: 8.85 ms (baseline: 1.84 ms, +380.2%) ⚠️ sparkline.rdp.1000: 4.57 ms (baseline: 3.78 ms, +20.8%) ✓ sparkline.none.10000: 15.38 ms (baseline: 19.32 ms, -20.4%) ✓ sparkline.movingAvg.10000: 1.02 ms (baseline: 10.79 ms, -90.6%) ✓ sparkline.rdp.10000: 3.59 ms (baseline: 12.80 ms, -72.0%) sparkline.none.50000: 41.67 ms (baseline: 44.95 ms, -7.3%) ✓ sparkline.movingAvg.50000: 4.09 ms (baseline: 14.87 ms, -72.5%) ⚠️ sparkline.rdp.50000: 41.49 ms (baseline: 26.10 ms, +59.0%) sparkline.none.100000: 54.86 ms (baseline: 55.64 ms, -1.4%) ⚠️ sparkline.movingAvg.100000: 10.43 ms (baseline: 6.83 ms, +52.8%) sparkline.rdp.100000: 5.81 ms (baseline: 5.38 ms, +7.9%) sparkline.none.500000: 316.88 ms (baseline: 317.93 ms, -0.3%) ✓ sparkline.movingAvg.500000: 26.86 ms (baseline: 47.97 ms, -44.0%) ✓ sparkline.rdp.500000: 19.42 ms (baseline: 33.19 ms, -41.5%) sparkline.none.948423: 590.91 ms (baseline: 607.01 ms, -2.7%) sparkline.movingAvg.948423: 143.77 ms (baseline: 125.02 ms, +15.0%) sparkline.rdp.948423: 147.01 ms (baseline: 150.79 ms, -2.5%) ⚠️ windrose.aggregation.1000: 4.77 ms (baseline: 400.1 µs, +1092.8%) ⚠️ windrose.draw.1000: 1.63 ms (baseline: 1.23 ms, +32.8%) ⚠️ windrose.aggregation.10000: 6.62 ms (baseline: 2.78 ms, +138.2%) ⚠️ windrose.draw.10000: 7.85 ms (baseline: 887.6 µs, +784.6%) windrose.aggregation.50000: 25.74 ms (baseline: 23.56 ms, +9.3%) ✓ windrose.draw.50000: 609.1 µs (baseline: 4.32 ms, -85.9%) windrose.aggregation.100000: 14.63 ms (baseline: 14.92 ms, -2.0%) ✓ windrose.draw.100000: 845.2 µs (baseline: 966.3 µs, -12.5%) ✓ windrose.aggregation.500000: 19.37 ms (baseline: 25.72 ms, -24.7%) ⚠️ windrose.draw.500000: 1.76 ms (baseline: 781.8 µs, +125.4%) ✓ windrose.aggregation.948423: 30.17 ms (baseline: 68.34 ms, -55.8%) ✓ windrose.draw.948423: 573.5 µs (baseline: 2.13 ms, -73.1%) ✓ scaling.none.1x: 7.90 ms (baseline: 14.66 ms, -46.1%) scaling.movingAvg.1x: 2.17 ms (baseline: 1.87 ms, +16.0%) ⚠️ scaling.rdp.1x: 1.89 ms (baseline: 992.4 µs, +90.4%) ✓ scaling.none.2x: 10.45 ms (baseline: 17.61 ms, -40.7%) ⚠️ scaling.movingAvg.2x: 4.34 ms (baseline: 2.95 ms, +47.1%) ✓ scaling.rdp.2x: 1.07 ms (baseline: 1.95 ms, -45.2%) ⚠️ scaling.none.5x: 41.89 ms (baseline: 27.46 ms, +52.6%) ✓ scaling.movingAvg.5x: 2.68 ms (baseline: 3.39 ms, -21.0%) ✓ scaling.rdp.5x: 2.09 ms (baseline: 3.55 ms, -41.3%) ✓ scaling.none.10x: 47.73 ms (baseline: 86.76 ms, -45.0%) ✓ scaling.movingAvg.10x: 5.10 ms (baseline: 8.96 ms, -43.1%) ✓ scaling.rdp.10x: 4.43 ms (baseline: 5.53 ms, -19.8%) scaling.none.20x: 126.53 ms (baseline: 129.29 ms, -2.1%) scaling.movingAvg.20x: 14.72 ms (baseline: 15.81 ms, -6.9%) ✓ scaling.rdp.20x: 9.31 ms (baseline: 12.24 ms, -24.0%) scaling.none.50x: 308.44 ms (baseline: 336.93 ms, -8.5%) ✓ scaling.movingAvg.50x: 44.44 ms (baseline: 69.54 ms, -36.1%) ✓ scaling.rdp.50x: 25.96 ms (baseline: 30.61 ms, -15.2%) ✓ multiseries.movingAvg.1series: 4.99 ms (baseline: 5.64 ms, -11.4%) ⚠️ multiseries.rdp.1series: 4.36 ms (baseline: 3.48 ms, +25.1%) ✓ multiseries.movingAvg.2series: 12.54 ms (baseline: 15.52 ms, -19.2%) ✓ multiseries.rdp.2series: 9.87 ms (baseline: 14.24 ms, -30.7%) ✓ multiseries.movingAvg.3series: 16.90 ms (baseline: 21.44 ms, -21.2%) ✓ multiseries.rdp.3series: 14.32 ms (baseline: 17.08 ms, -16.2%) ⚠️ multiseries.movingAvg.5series: 43.51 ms (baseline: 29.65 ms, +46.8%) multiseries.rdp.5series: 29.33 ms (baseline: 31.31 ms, -6.3%) 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: 41.58 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: 0.014 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: 0.068 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: 16.54 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: 2026-04-24T09:39:05Z [INFO] ------------------------------------------------------------------------