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: 2.813 s [INFO] Finished at: 2026-06-13T15:37:04Z [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: 2.400 s [INFO] Finished at: 2026-06-13T15:37:10Z [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: 2026-06-13T13:44:30.731955008Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 15:37:45.628 [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 | 3.33 ms | 4.34 ms | 2.69 ms 1,000 | 8.32 ms | 2.24 ms | 3.80 ms 10,000 | 31.50 ms | 1.24 ms | 4.28 ms 49,871 | 27.98 ms | 3.10 ms | 58.56 ms 97,643 | 92.16 ms | 26.58 ms | 67.71 ms 495,995 | 319.92 ms | 33.41 ms | 36.17 ms 944,282 | 681.86 ms | 113.27 ms | 79.59 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 | 735.6 µs | 3.96 ms | 4.70 ms 10,000 | 7.47 ms | 1.79 ms | 9.26 ms 50,000 | 14.83 ms | 1.34 ms | 16.18 ms 100,000 | 24.28 ms | 2.28 ms | 26.56 ms 500,000 | 53.13 ms | 1.14 ms | 54.28 ms 948,423 | 79.80 ms | 621.2 µs | 80.42 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 | 11.06 ms ( 0.9x) | 1.21 ms ( 0.3x) | 2.27 ms ( 1.4x) 2x | 19,996 | 8.87 ms ( 0.7x) | 1.85 ms ( 0.5x) | 1.47 ms ( 0.9x) 5x | 49,871 | 36.85 ms ( 2.9x) | 6.77 ms ( 2.0x) | 3.32 ms ( 2.0x) 10x | 97,643 | 76.14 ms ( 5.9x) | 6.94 ms ( 2.0x) | 4.85 ms ( 2.9x) 20x | 196,569 | 130.58 ms (10.2x) | 11.30 ms ( 3.3x) | 7.84 ms ( 4.7x) 50x | 495,995 | 333.76 ms (26.0x) | 49.86 ms (14.4x) | 33.27 ms (19.9x) 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 | 168.7 µs | 5 | 1.01 ms 10,000 | 5 | 1.77 ms | 5 | 649.2 µs 97,643 | 5 | 8.62 ms | 5 | 29.12 ms 495,995 | 5 | 50.13 ms | 5 | 84.01 ms 944,282 | 5 | 125.21 ms | 5 | 57.75 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 | 11.19 ms | 5.55 ms 2 | 23.71 ms | 19.29 ms 3 | 17.21 ms | 24.36 ms 5 | 30.50 ms | 41.53 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 3.33 ms (baseline: 2.93 ms, +13.7%) ⚠️ sparkline.movingAvg.100: 4.34 ms (baseline: 2.74 ms, +58.4%) sparkline.rdp.100: 2.69 ms (baseline: 2.83 ms, -4.8%) sparkline.none.1000: 8.32 ms (baseline: 9.07 ms, -8.3%) ✓ sparkline.movingAvg.1000: 2.24 ms (baseline: 3.62 ms, -38.0%) ⚠️ sparkline.rdp.1000: 3.80 ms (baseline: 2.48 ms, +53.4%) ⚠️ sparkline.none.10000: 31.50 ms (baseline: 22.07 ms, +42.7%) ✓ sparkline.movingAvg.10000: 1.24 ms (baseline: 4.68 ms, -73.4%) ✓ sparkline.rdp.10000: 4.28 ms (baseline: 31.66 ms, -86.5%) ✓ sparkline.none.50000: 27.98 ms (baseline: 48.21 ms, -42.0%) ✓ sparkline.movingAvg.50000: 3.10 ms (baseline: 3.79 ms, -18.2%) ⚠️ sparkline.rdp.50000: 58.56 ms (baseline: 6.53 ms, +797.4%) sparkline.none.100000: 92.16 ms (baseline: 77.17 ms, +19.4%) ⚠️ sparkline.movingAvg.100000: 26.58 ms (baseline: 15.84 ms, +67.7%) ⚠️ sparkline.rdp.100000: 67.71 ms (baseline: 12.15 ms, +457.5%) sparkline.none.500000: 319.92 ms (baseline: 337.35 ms, -5.2%) ✓ sparkline.movingAvg.500000: 33.41 ms (baseline: 56.88 ms, -41.3%) ⚠️ sparkline.rdp.500000: 36.17 ms (baseline: 22.90 ms, +58.0%) sparkline.none.948423: 681.86 ms (baseline: 656.07 ms, +3.9%) ✓ sparkline.movingAvg.948423: 113.27 ms (baseline: 177.69 ms, -36.3%) sparkline.rdp.948423: 79.59 ms (baseline: 72.50 ms, +9.8%) ⚠️ windrose.aggregation.1000: 735.6 µs (baseline: 419.1 µs, +75.5%) ⚠️ windrose.draw.1000: 3.96 ms (baseline: 2.89 ms, +36.9%) ⚠️ windrose.aggregation.10000: 7.47 ms (baseline: 4.10 ms, +82.3%) ✓ windrose.draw.10000: 1.79 ms (baseline: 1.99 ms, -10.4%) ✓ windrose.aggregation.50000: 14.83 ms (baseline: 17.86 ms, -17.0%) ⚠️ windrose.draw.50000: 1.34 ms (baseline: 678.5 µs, +98.0%) ⚠️ windrose.aggregation.100000: 24.28 ms (baseline: 9.09 ms, +167.1%) ✓ windrose.draw.100000: 2.28 ms (baseline: 2.67 ms, -14.5%) ⚠️ windrose.aggregation.500000: 53.13 ms (baseline: 36.10 ms, +47.2%) ✓ windrose.draw.500000: 1.14 ms (baseline: 2.03 ms, -43.7%) windrose.aggregation.948423: 79.80 ms (baseline: 77.59 ms, +2.9%) ✓ windrose.draw.948423: 621.2 µs (baseline: 2.23 ms, -72.2%) scaling.none.1x: 11.06 ms (baseline: 9.28 ms, +19.2%) scaling.movingAvg.1x: 1.21 ms (baseline: 1.12 ms, +7.2%) ⚠️ scaling.rdp.1x: 2.27 ms (baseline: 1.64 ms, +38.3%) ✓ scaling.none.2x: 8.87 ms (baseline: 19.42 ms, -54.3%) ✓ scaling.movingAvg.2x: 1.85 ms (baseline: 2.52 ms, -26.6%) scaling.rdp.2x: 1.47 ms (baseline: 1.46 ms, +0.8%) ⚠️ scaling.none.5x: 36.85 ms (baseline: 26.18 ms, +40.8%) ⚠️ scaling.movingAvg.5x: 6.77 ms (baseline: 2.88 ms, +134.9%) scaling.rdp.5x: 3.32 ms (baseline: 3.14 ms, +5.6%) ⚠️ scaling.none.10x: 76.14 ms (baseline: 56.62 ms, +34.5%) scaling.movingAvg.10x: 6.94 ms (baseline: 6.26 ms, +10.8%) ⚠️ scaling.rdp.10x: 4.85 ms (baseline: 3.14 ms, +54.2%) scaling.none.20x: 130.58 ms (baseline: 120.23 ms, +8.6%) ✓ scaling.movingAvg.20x: 11.30 ms (baseline: 15.16 ms, -25.5%) ✓ scaling.rdp.20x: 7.84 ms (baseline: 48.92 ms, -84.0%) scaling.none.50x: 333.76 ms (baseline: 303.03 ms, +10.1%) scaling.movingAvg.50x: 49.86 ms (baseline: 48.25 ms, +3.3%) ⚠️ scaling.rdp.50x: 33.27 ms (baseline: 24.70 ms, +34.7%) ⚠️ multiseries.movingAvg.1series: 11.19 ms (baseline: 9.29 ms, +20.4%) ✓ multiseries.rdp.1series: 5.55 ms (baseline: 30.21 ms, -81.6%) ⚠️ multiseries.movingAvg.2series: 23.71 ms (baseline: 13.70 ms, +73.1%) multiseries.rdp.2series: 19.29 ms (baseline: 19.77 ms, -2.5%) ⚠️ multiseries.movingAvg.3series: 17.21 ms (baseline: 13.32 ms, +29.3%) ⚠️ multiseries.rdp.3series: 24.36 ms (baseline: 14.45 ms, +68.6%) ⚠️ multiseries.movingAvg.5series: 30.50 ms (baseline: 23.73 ms, +28.5%) multiseries.rdp.5series: 41.53 ms (baseline: 41.67 ms, -0.3%) 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: 43.78 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: 0.029 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: 0.033 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: 19.59 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: 2026-06-13T15:38:33Z [INFO] ------------------------------------------------------------------------