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: 2.693 s [INFO] Finished at: 2026-06-13T22:33:35Z [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: 2.397 s [INFO] Finished at: 2026-06-13T22:33:40Z [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: 2026-06-13T21:33:38.984973306Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:34:14.992 [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 | 6.65 ms | 5.32 ms | 4.05 ms 1,000 | 5.58 ms | 2.61 ms | 5.20 ms 10,000 | 15.45 ms | 4.12 ms | 10.43 ms 49,871 | 51.86 ms | 11.55 ms | 75.05 ms 97,643 | 59.36 ms | 10.40 ms | 28.25 ms 495,995 | 367.63 ms | 35.90 ms | 43.67 ms 944,282 | 630.37 ms | 137.55 ms | 55.76 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 | 1.03 ms | 1.73 ms | 2.76 ms 10,000 | 3.48 ms | 1.31 ms | 4.79 ms 50,000 | 11.26 ms | 1.87 ms | 13.13 ms 100,000 | 5.71 ms | 1.38 ms | 7.10 ms 500,000 | 24.35 ms | 1.10 ms | 25.44 ms 948,423 | 41.03 ms | 834.8 µs | 41.87 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 | 14.55 ms ( 1.1x) | 2.18 ms ( 0.9x) | 1.79 ms ( 3.1x) 2x | 19,996 | 14.37 ms ( 1.1x) | 1.33 ms ( 0.6x) | 1.66 ms ( 2.9x) 5x | 49,871 | 28.99 ms ( 2.2x) | 4.24 ms ( 1.8x) | 4.85 ms ( 8.4x) 10x | 97,643 | 74.87 ms ( 5.8x) | 7.00 ms ( 2.9x) | 5.76 ms (10.0x) 20x | 196,569 | 122.23 ms ( 9.4x) | 14.45 ms ( 6.0x) | 8.38 ms (14.5x) 50x | 495,995 | 250.76 ms (19.3x) | 47.06 ms (19.6x) | 83.67 ms (145.3x) 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 | 819.7 µs | 5 | 237.5 µs 10,000 | 5 | 1.74 ms | 5 | 1.81 ms 97,643 | 5 | 5.49 ms | 5 | 3.75 ms 495,995 | 5 | 43.16 ms | 5 | 18.87 ms 944,282 | 5 | 106.09 ms | 5 | 113.12 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 | 5.00 ms | 4.43 ms 2 | 10.20 ms | 9.97 ms 3 | 21.21 ms | 19.11 ms 5 | 30.17 ms | 44.03 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 6.65 ms (baseline: 4.80 ms, +38.6%) ✓ sparkline.movingAvg.100: 5.32 ms (baseline: 7.64 ms, -30.3%) sparkline.rdp.100: 4.05 ms (baseline: 3.61 ms, +12.3%) sparkline.none.1000: 5.58 ms (baseline: 5.21 ms, +7.1%) sparkline.movingAvg.1000: 2.61 ms (baseline: 2.88 ms, -9.7%) ⚠️ sparkline.rdp.1000: 5.20 ms (baseline: 1.89 ms, +174.8%) ✓ sparkline.none.10000: 15.45 ms (baseline: 26.05 ms, -40.7%) ✓ sparkline.movingAvg.10000: 4.12 ms (baseline: 7.09 ms, -42.0%) sparkline.rdp.10000: 10.43 ms (baseline: 9.00 ms, +15.9%) ✓ sparkline.none.50000: 51.86 ms (baseline: 68.73 ms, -24.5%) ⚠️ sparkline.movingAvg.50000: 11.55 ms (baseline: 3.38 ms, +241.7%) sparkline.rdp.50000: 75.05 ms (baseline: 79.55 ms, -5.7%) ✓ sparkline.none.100000: 59.36 ms (baseline: 85.07 ms, -30.2%) ✓ sparkline.movingAvg.100000: 10.40 ms (baseline: 16.58 ms, -37.3%) ⚠️ sparkline.rdp.100000: 28.25 ms (baseline: 8.41 ms, +235.8%) sparkline.none.500000: 367.63 ms (baseline: 392.80 ms, -6.4%) sparkline.movingAvg.500000: 35.90 ms (baseline: 31.92 ms, +12.5%) ✓ sparkline.rdp.500000: 43.67 ms (baseline: 57.38 ms, -23.9%) sparkline.none.948423: 630.37 ms (baseline: 631.27 ms, -0.1%) ⚠️ sparkline.movingAvg.948423: 137.55 ms (baseline: 114.06 ms, +20.6%) ✓ sparkline.rdp.948423: 55.76 ms (baseline: 122.65 ms, -54.5%) ⚠️ windrose.aggregation.1000: 1.03 ms (baseline: 517.3 µs, +98.4%) ✓ windrose.draw.1000: 1.73 ms (baseline: 3.26 ms, -46.9%) ⚠️ windrose.aggregation.10000: 3.48 ms (baseline: 2.38 ms, +46.6%) ✓ windrose.draw.10000: 1.31 ms (baseline: 3.35 ms, -60.9%) ✓ windrose.aggregation.50000: 11.26 ms (baseline: 26.90 ms, -58.1%) ✓ windrose.draw.50000: 1.87 ms (baseline: 2.13 ms, -12.1%) ✓ windrose.aggregation.100000: 5.71 ms (baseline: 15.80 ms, -63.8%) ✓ windrose.draw.100000: 1.38 ms (baseline: 2.46 ms, -43.7%) ✓ windrose.aggregation.500000: 24.35 ms (baseline: 51.85 ms, -53.0%) ✓ windrose.draw.500000: 1.10 ms (baseline: 2.92 ms, -62.4%) ✓ windrose.aggregation.948423: 41.03 ms (baseline: 95.97 ms, -57.2%) ✓ windrose.draw.948423: 834.8 µs (baseline: 1.90 ms, -56.0%) ⚠️ scaling.none.1x: 14.55 ms (baseline: 12.01 ms, +21.1%) ⚠️ scaling.movingAvg.1x: 2.18 ms (baseline: 1.57 ms, +38.8%) ⚠️ scaling.rdp.1x: 1.79 ms (baseline: 981.8 µs, +82.1%) ⚠️ scaling.none.2x: 14.37 ms (baseline: 8.13 ms, +76.8%) ⚠️ scaling.movingAvg.2x: 1.33 ms (baseline: 1.08 ms, +22.6%) ⚠️ scaling.rdp.2x: 1.66 ms (baseline: 858.4 µs, +93.5%) scaling.none.5x: 28.99 ms (baseline: 31.95 ms, -9.2%) scaling.movingAvg.5x: 4.24 ms (baseline: 4.67 ms, -9.4%) ⚠️ scaling.rdp.5x: 4.85 ms (baseline: 3.63 ms, +33.5%) ⚠️ scaling.none.10x: 74.87 ms (baseline: 49.41 ms, +51.5%) ✓ scaling.movingAvg.10x: 7.00 ms (baseline: 8.29 ms, -15.6%) ✓ scaling.rdp.10x: 5.76 ms (baseline: 10.97 ms, -47.5%) scaling.none.20x: 122.23 ms (baseline: 105.62 ms, +15.7%) ⚠️ scaling.movingAvg.20x: 14.45 ms (baseline: 8.64 ms, +67.2%) scaling.rdp.20x: 8.38 ms (baseline: 8.34 ms, +0.4%) ✓ scaling.none.50x: 250.76 ms (baseline: 320.56 ms, -21.8%) ⚠️ scaling.movingAvg.50x: 47.06 ms (baseline: 30.85 ms, +52.5%) scaling.rdp.50x: 83.67 ms (baseline: 72.44 ms, +15.5%) ✓ multiseries.movingAvg.1series: 5.00 ms (baseline: 11.08 ms, -54.8%) ✓ multiseries.rdp.1series: 4.43 ms (baseline: 14.95 ms, -70.4%) ✓ multiseries.movingAvg.2series: 10.20 ms (baseline: 11.98 ms, -14.9%) ✓ multiseries.rdp.2series: 9.97 ms (baseline: 13.05 ms, -23.6%) ✓ multiseries.movingAvg.3series: 21.21 ms (baseline: 25.72 ms, -17.5%) ✓ multiseries.rdp.3series: 19.11 ms (baseline: 21.32 ms, -10.3%) ⚠️ multiseries.movingAvg.5series: 30.17 ms (baseline: 24.62 ms, +22.6%) ⚠️ multiseries.rdp.5series: 44.03 ms (baseline: 27.51 ms, +60.0%) 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: 42.76 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: 0.026 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: 0.027 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: 18.77 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: 01:12 min [INFO] Finished at: 2026-06-13T22:35:01Z [INFO] ------------------------------------------------------------------------