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=25.2-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: 2.395 s [INFO] Finished at: 2026-06-07T21:30:44Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.2-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 -> 25.2-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.403 s [INFO] Finished at: 2026-06-07T21:30:50Z [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: 2026-06-07T19:41:24.190305826Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:31:24.560 [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 | 5.70 ms | 4.24 ms | 2.72 ms 1,000 | 7.29 ms | 3.12 ms | 3.75 ms 10,000 | 18.52 ms | 2.70 ms | 9.68 ms 49,871 | 52.46 ms | 4.58 ms | 48.54 ms 97,643 | 99.17 ms | 12.35 ms | 7.75 ms 495,995 | 369.08 ms | 46.47 ms | 31.99 ms 944,282 | 718.80 ms | 107.57 ms | 192.62 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 | 415.3 µs | 803.4 µs | 1.22 ms 10,000 | 1.71 ms | 3.90 ms | 5.61 ms 50,000 | 18.64 ms | 3.39 ms | 22.02 ms 100,000 | 5.49 ms | 739.0 µs | 6.23 ms 500,000 | 62.70 ms | 1.15 ms | 63.85 ms 948,423 | 43.46 ms | 674.9 µs | 44.13 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 | 12.33 ms ( 1.1x) | 3.02 ms ( 1.6x) | 1.79 ms ( 1.1x) 2x | 19,996 | 33.51 ms ( 2.9x) | 1.15 ms ( 0.6x) | 831.9 µs ( 0.5x) 5x | 49,871 | 26.36 ms ( 2.3x) | 2.51 ms ( 1.3x) | 2.84 ms ( 1.8x) 10x | 97,643 | 60.81 ms ( 5.3x) | 7.90 ms ( 4.1x) | 8.32 ms ( 5.1x) 20x | 196,569 | 79.70 ms ( 7.0x) | 10.73 ms ( 5.6x) | 10.37 ms ( 6.4x) 50x | 495,995 | 342.57 ms (30.1x) | 47.95 ms (24.9x) | 22.60 ms (14.0x) 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 | 167.2 µs | 5 | 836.4 µs 10,000 | 5 | 1.16 ms | 5 | 666.1 µs 97,643 | 5 | 6.08 ms | 5 | 8.50 ms 495,995 | 5 | 33.72 ms | 5 | 55.27 ms 944,282 | 5 | 110.43 ms | 5 | 156.22 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 | 10.46 ms | 5.94 ms 2 | 10.80 ms | 22.61 ms 3 | 15.70 ms | 17.17 ms 5 | 26.28 ms | 31.01 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 5.70 ms (baseline: 2.04 ms, +179.6%) ⚠️ sparkline.movingAvg.100: 4.24 ms (baseline: 3.16 ms, +34.2%) sparkline.rdp.100: 2.72 ms (baseline: 2.34 ms, +16.2%) sparkline.none.1000: 7.29 ms (baseline: 8.02 ms, -9.1%) ✓ sparkline.movingAvg.1000: 3.12 ms (baseline: 4.25 ms, -26.6%) ⚠️ sparkline.rdp.1000: 3.75 ms (baseline: 1.57 ms, +138.5%) sparkline.none.10000: 18.52 ms (baseline: 16.83 ms, +10.0%) sparkline.movingAvg.10000: 2.70 ms (baseline: 2.64 ms, +2.2%) ⚠️ sparkline.rdp.10000: 9.68 ms (baseline: 5.43 ms, +78.4%) sparkline.none.50000: 52.46 ms (baseline: 52.39 ms, +0.1%) ⚠️ sparkline.movingAvg.50000: 4.58 ms (baseline: 3.26 ms, +40.3%) ✓ sparkline.rdp.50000: 48.54 ms (baseline: 119.12 ms, -59.3%) ⚠️ sparkline.none.100000: 99.17 ms (baseline: 57.86 ms, +71.4%) ⚠️ sparkline.movingAvg.100000: 12.35 ms (baseline: 9.82 ms, +25.8%) ✓ sparkline.rdp.100000: 7.75 ms (baseline: 12.15 ms, -36.2%) sparkline.none.500000: 369.08 ms (baseline: 346.49 ms, +6.5%) ✓ sparkline.movingAvg.500000: 46.47 ms (baseline: 58.12 ms, -20.0%) ✓ sparkline.rdp.500000: 31.99 ms (baseline: 39.11 ms, -18.2%) sparkline.none.948423: 718.80 ms (baseline: 642.34 ms, +11.9%) ✓ sparkline.movingAvg.948423: 107.57 ms (baseline: 123.41 ms, -12.8%) ⚠️ sparkline.rdp.948423: 192.62 ms (baseline: 84.99 ms, +126.7%) ✓ windrose.aggregation.1000: 415.3 µs (baseline: 803.5 µs, -48.3%) ✓ windrose.draw.1000: 803.4 µs (baseline: 1.01 ms, -20.3%) windrose.aggregation.10000: 1.71 ms (baseline: 1.79 ms, -4.7%) ⚠️ windrose.draw.10000: 3.90 ms (baseline: 820.6 µs, +375.1%) ⚠️ windrose.aggregation.50000: 18.64 ms (baseline: 7.31 ms, +154.8%) ⚠️ windrose.draw.50000: 3.39 ms (baseline: 836.7 µs, +304.6%) ✓ windrose.aggregation.100000: 5.49 ms (baseline: 18.40 ms, -70.2%) ✓ windrose.draw.100000: 739.0 µs (baseline: 855.8 µs, -13.6%) ⚠️ windrose.aggregation.500000: 62.70 ms (baseline: 26.69 ms, +134.9%) windrose.draw.500000: 1.15 ms (baseline: 1.09 ms, +6.2%) ✓ windrose.aggregation.948423: 43.46 ms (baseline: 55.32 ms, -21.5%) ✓ windrose.draw.948423: 674.9 µs (baseline: 922.1 µs, -26.8%) scaling.none.1x: 12.33 ms (baseline: 11.27 ms, +9.4%) ⚠️ scaling.movingAvg.1x: 3.02 ms (baseline: 576.5 µs, +423.6%) scaling.rdp.1x: 1.79 ms (baseline: 1.65 ms, +8.4%) scaling.none.2x: 33.51 ms (baseline: 31.47 ms, +6.5%) ✓ scaling.movingAvg.2x: 1.15 ms (baseline: 3.15 ms, -63.6%) ✓ scaling.rdp.2x: 831.9 µs (baseline: 2.07 ms, -59.8%) ✓ scaling.none.5x: 26.36 ms (baseline: 34.52 ms, -23.6%) ✓ scaling.movingAvg.5x: 2.51 ms (baseline: 6.52 ms, -61.6%) ⚠️ scaling.rdp.5x: 2.84 ms (baseline: 1.97 ms, +44.4%) ⚠️ scaling.none.10x: 60.81 ms (baseline: 39.87 ms, +52.5%) ⚠️ scaling.movingAvg.10x: 7.90 ms (baseline: 4.54 ms, +74.2%) ⚠️ scaling.rdp.10x: 8.32 ms (baseline: 3.94 ms, +111.1%) ✓ scaling.none.20x: 79.70 ms (baseline: 145.09 ms, -45.1%) ⚠️ scaling.movingAvg.20x: 10.73 ms (baseline: 8.90 ms, +20.6%) ⚠️ scaling.rdp.20x: 10.37 ms (baseline: 7.31 ms, +41.8%) ⚠️ scaling.none.50x: 342.57 ms (baseline: 284.90 ms, +20.2%) ⚠️ scaling.movingAvg.50x: 47.95 ms (baseline: 33.10 ms, +44.9%) ✓ scaling.rdp.50x: 22.60 ms (baseline: 67.31 ms, -66.4%) ✓ multiseries.movingAvg.1series: 10.46 ms (baseline: 19.46 ms, -46.3%) multiseries.rdp.1series: 5.94 ms (baseline: 6.27 ms, -5.1%) ✓ multiseries.movingAvg.2series: 10.80 ms (baseline: 17.24 ms, -37.3%) ⚠️ multiseries.rdp.2series: 22.61 ms (baseline: 11.74 ms, +92.5%) ✓ multiseries.movingAvg.3series: 15.70 ms (baseline: 19.71 ms, -20.3%) ✓ multiseries.rdp.3series: 17.17 ms (baseline: 45.27 ms, -62.1%) multiseries.movingAvg.5series: 26.28 ms (baseline: 26.40 ms, -0.5%) multiseries.rdp.5series: 31.01 ms (baseline: 32.82 ms, -5.5%) 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: 43.80 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: 0.019 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: 19.98 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: 01:15 min [INFO] Finished at: 2026-06-07T21:32:13Z [INFO] ------------------------------------------------------------------------