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: 2.861 s [INFO] Finished at: 2026-04-21T15:33:02Z [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: 2.015 s [INFO] Finished at: 2026-04-21T15:33:07Z [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: 2026-04-21T13:45:58.970640788Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 15:33:34.932 [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 | 3.88 ms | 6.72 ms | 13.72 ms 1,000 | 8.86 ms | 1.44 ms | 1.57 ms 10,000 | 13.15 ms | 2.78 ms | 4.09 ms 49,871 | 34.54 ms | 4.19 ms | 73.57 ms 97,643 | 125.14 ms | 9.52 ms | 5.15 ms 495,995 | 299.22 ms | 40.39 ms | 44.78 ms 944,282 | 504.22 ms | 96.11 ms | 114.87 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 | 1.09 ms | 1.27 ms | 2.36 ms 10,000 | 1.43 ms | 1.83 ms | 3.26 ms 50,000 | 21.41 ms | 1.57 ms | 22.98 ms 100,000 | 13.32 ms | 2.25 ms | 15.57 ms 500,000 | 24.17 ms | 769.8 µs | 24.94 ms 948,423 | 53.43 ms | 1.49 ms | 54.92 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 | 7.76 ms ( 0.7x) | 969.5 µs ( 1.0x) | 690.6 µs ( 1.1x) 2x | 19,996 | 9.60 ms ( 0.9x) | 1.73 ms ( 1.9x) | 885.1 µs ( 1.5x) 5x | 49,871 | 26.52 ms ( 2.4x) | 6.78 ms ( 7.3x) | 1.86 ms ( 3.1x) 10x | 97,643 | 41.36 ms ( 3.8x) | 5.62 ms ( 6.0x) | 3.96 ms ( 6.5x) 20x | 196,569 | 100.80 ms ( 9.2x) | 13.72 ms (14.7x) | 8.32 ms (13.7x) 50x | 495,995 | 268.06 ms (24.4x) | 47.08 ms (50.4x) | 24.17 ms (39.7x) 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 | 297.2 µs | 5 | 671.6 µs 10,000 | 5 | 2.86 ms | 5 | 1.63 ms 97,643 | 5 | 6.98 ms | 5 | 3.66 ms 495,995 | 5 | 41.34 ms | 5 | 60.88 ms 944,282 | 5 | 98.67 ms | 5 | 70.33 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 | 6.05 ms | 3.51 ms 2 | 9.06 ms | 10.90 ms 3 | 13.82 ms | 18.88 ms 5 | 23.09 ms | 27.33 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.88 ms (baseline: 3.47 ms, +11.7%) ⚠️ sparkline.movingAvg.100: 6.72 ms (baseline: 1.88 ms, +258.0%) ⚠️ sparkline.rdp.100: 13.72 ms (baseline: 3.77 ms, +263.9%) ⚠️ sparkline.none.1000: 8.86 ms (baseline: 5.13 ms, +72.8%) ✓ sparkline.movingAvg.1000: 1.44 ms (baseline: 1.91 ms, -24.6%) ✓ sparkline.rdp.1000: 1.57 ms (baseline: 2.05 ms, -23.2%) sparkline.none.10000: 13.15 ms (baseline: 11.42 ms, +15.1%) ✓ sparkline.movingAvg.10000: 2.78 ms (baseline: 3.74 ms, -25.8%) ✓ sparkline.rdp.10000: 4.09 ms (baseline: 6.18 ms, -33.7%) ✓ sparkline.none.50000: 34.54 ms (baseline: 46.39 ms, -25.5%) sparkline.movingAvg.50000: 4.19 ms (baseline: 3.78 ms, +11.0%) ⚠️ sparkline.rdp.50000: 73.57 ms (baseline: 51.76 ms, +42.1%) ⚠️ sparkline.none.100000: 125.14 ms (baseline: 57.25 ms, +118.6%) sparkline.movingAvg.100000: 9.52 ms (baseline: 9.96 ms, -4.5%) ✓ sparkline.rdp.100000: 5.15 ms (baseline: 7.70 ms, -33.1%) sparkline.none.500000: 299.22 ms (baseline: 329.81 ms, -9.3%) ⚠️ sparkline.movingAvg.500000: 40.39 ms (baseline: 32.34 ms, +24.9%) ⚠️ sparkline.rdp.500000: 44.78 ms (baseline: 20.87 ms, +114.6%) sparkline.none.948423: 504.22 ms (baseline: 448.50 ms, +12.4%) sparkline.movingAvg.948423: 96.11 ms (baseline: 85.15 ms, +12.9%) ⚠️ sparkline.rdp.948423: 114.87 ms (baseline: 69.88 ms, +64.4%) ⚠️ windrose.aggregation.1000: 1.09 ms (baseline: 435.8 µs, +150.2%) ✓ windrose.draw.1000: 1.27 ms (baseline: 1.73 ms, -26.7%) windrose.aggregation.10000: 1.43 ms (baseline: 1.45 ms, -1.5%) windrose.draw.10000: 1.83 ms (baseline: 1.87 ms, -1.9%) ⚠️ windrose.aggregation.50000: 21.41 ms (baseline: 11.97 ms, +78.9%) windrose.draw.50000: 1.57 ms (baseline: 1.38 ms, +14.2%) ⚠️ windrose.aggregation.100000: 13.32 ms (baseline: 6.43 ms, +107.2%) windrose.draw.100000: 2.25 ms (baseline: 2.35 ms, -4.4%) windrose.aggregation.500000: 24.17 ms (baseline: 20.36 ms, +18.7%) ✓ windrose.draw.500000: 769.8 µs (baseline: 1.34 ms, -42.6%) windrose.aggregation.948423: 53.43 ms (baseline: 59.30 ms, -9.9%) ✓ windrose.draw.948423: 1.49 ms (baseline: 2.31 ms, -35.5%) ⚠️ scaling.none.1x: 7.76 ms (baseline: 4.42 ms, +75.6%) ⚠️ scaling.movingAvg.1x: 969.5 µs (baseline: 574.5 µs, +68.8%) ⚠️ scaling.rdp.1x: 690.6 µs (baseline: 545.2 µs, +26.7%) scaling.none.2x: 9.60 ms (baseline: 9.20 ms, +4.4%) ⚠️ scaling.movingAvg.2x: 1.73 ms (baseline: 1.33 ms, +30.5%) scaling.rdp.2x: 885.1 µs (baseline: 863.7 µs, +2.5%) scaling.none.5x: 26.52 ms (baseline: 24.91 ms, +6.4%) ⚠️ scaling.movingAvg.5x: 6.78 ms (baseline: 3.05 ms, +122.1%) scaling.rdp.5x: 1.86 ms (baseline: 1.78 ms, +4.4%) ✓ scaling.none.10x: 41.36 ms (baseline: 54.07 ms, -23.5%) ✓ scaling.movingAvg.10x: 5.62 ms (baseline: 6.78 ms, -17.1%) ⚠️ scaling.rdp.10x: 3.96 ms (baseline: 3.22 ms, +22.9%) scaling.none.20x: 100.80 ms (baseline: 93.75 ms, +7.5%) ⚠️ scaling.movingAvg.20x: 13.72 ms (baseline: 8.52 ms, +61.0%) scaling.rdp.20x: 8.32 ms (baseline: 7.72 ms, +7.9%) scaling.none.50x: 268.06 ms (baseline: 241.76 ms, +10.9%) ⚠️ scaling.movingAvg.50x: 47.08 ms (baseline: 27.40 ms, +71.8%) ✓ scaling.rdp.50x: 24.17 ms (baseline: 54.07 ms, -55.3%) ⚠️ multiseries.movingAvg.1series: 6.05 ms (baseline: 4.38 ms, +38.2%) multiseries.rdp.1series: 3.51 ms (baseline: 3.22 ms, +9.3%) multiseries.movingAvg.2series: 9.06 ms (baseline: 8.08 ms, +12.1%) ⚠️ multiseries.rdp.2series: 10.90 ms (baseline: 8.47 ms, +28.6%) multiseries.movingAvg.3series: 13.82 ms (baseline: 14.01 ms, -1.3%) multiseries.rdp.3series: 18.88 ms (baseline: 20.39 ms, -7.4%) multiseries.movingAvg.5series: 23.09 ms (baseline: 21.10 ms, +9.4%) multiseries.rdp.5series: 27.33 ms (baseline: 25.64 ms, +6.6%) 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: 39.35 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: 0.022 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: 0.018 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: 13.62 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: 01:03 min [INFO] Finished at: 2026-04-21T15:34:12Z [INFO] ------------------------------------------------------------------------