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: 2.775 s [INFO] Finished at: 2026-06-10T10:30:24Z [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: 2.299 s [INFO] Finished at: 2026-06-10T10:30:29Z [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: 2026-06-10T08:43:21.202520008Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 10:31:04.448 [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 | 3.95 ms | 4.41 ms | 3.97 ms 1,000 | 5.04 ms | 2.06 ms | 2.03 ms 10,000 | 19.01 ms | 3.35 ms | 4.86 ms 49,871 | 36.47 ms | 6.20 ms | 69.14 ms 97,643 | 69.57 ms | 7.28 ms | 16.74 ms 495,995 | 393.23 ms | 40.12 ms | 21.80 ms 944,282 | 631.67 ms | 133.76 ms | 240.85 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 | 433.7 µs | 845.4 µs | 1.28 ms 10,000 | 1.53 ms | 1.85 ms | 3.38 ms 50,000 | 10.49 ms | 879.2 µs | 11.37 ms 100,000 | 19.17 ms | 1.47 ms | 20.64 ms 500,000 | 36.48 ms | 2.47 ms | 38.95 ms 948,423 | 28.98 ms | 926.9 µs | 29.91 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 | 10.52 ms ( 2.2x) | 2.22 ms ( 2.6x) | 597.3 µs ( 0.9x) 2x | 19,996 | 17.58 ms ( 3.6x) | 2.40 ms ( 2.8x) | 2.15 ms ( 3.3x) 5x | 49,871 | 35.10 ms ( 7.3x) | 4.90 ms ( 5.7x) | 2.70 ms ( 4.1x) 10x | 97,643 | 57.19 ms (11.8x) | 16.75 ms (19.3x) | 13.18 ms (20.1x) 20x | 196,569 | 110.07 ms (22.7x) | 15.17 ms (17.5x) | 10.71 ms (16.3x) 50x | 495,995 | 274.97 ms (56.8x) | 42.56 ms (49.1x) | 32.93 ms (50.1x) 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 | 781.9 µs | 5 | 184.2 µs 10,000 | 5 | 620.9 µs | 5 | 492.2 µs 97,643 | 5 | 5.29 ms | 5 | 4.22 ms 495,995 | 5 | 47.11 ms | 5 | 62.58 ms 944,282 | 5 | 114.45 ms | 5 | 92.48 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 | 21.58 ms | 7.55 ms 2 | 16.59 ms | 17.11 ms 3 | 15.65 ms | 16.75 ms 5 | 31.30 ms | 39.91 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.95 ms (baseline: 1.48 ms, +167.2%) ⚠️ sparkline.movingAvg.100: 4.41 ms (baseline: 3.37 ms, +30.8%) ⚠️ sparkline.rdp.100: 3.97 ms (baseline: 2.31 ms, +72.2%) ✓ sparkline.none.1000: 5.04 ms (baseline: 10.42 ms, -51.6%) sparkline.movingAvg.1000: 2.06 ms (baseline: 2.22 ms, -7.1%) sparkline.rdp.1000: 2.03 ms (baseline: 1.91 ms, +5.9%) ✓ sparkline.none.10000: 19.01 ms (baseline: 29.07 ms, -34.6%) sparkline.movingAvg.10000: 3.35 ms (baseline: 3.39 ms, -1.4%) ✓ sparkline.rdp.10000: 4.86 ms (baseline: 10.78 ms, -54.9%) ✓ sparkline.none.50000: 36.47 ms (baseline: 44.24 ms, -17.6%) ✓ sparkline.movingAvg.50000: 6.20 ms (baseline: 8.70 ms, -28.7%) sparkline.rdp.50000: 69.14 ms (baseline: 58.92 ms, +17.3%) ✓ sparkline.none.100000: 69.57 ms (baseline: 107.50 ms, -35.3%) ✓ sparkline.movingAvg.100000: 7.28 ms (baseline: 8.25 ms, -11.7%) ⚠️ sparkline.rdp.100000: 16.74 ms (baseline: 8.62 ms, +94.3%) ⚠️ sparkline.none.500000: 393.23 ms (baseline: 326.65 ms, +20.4%) ✓ sparkline.movingAvg.500000: 40.12 ms (baseline: 51.65 ms, -22.3%) ✓ sparkline.rdp.500000: 21.80 ms (baseline: 26.24 ms, -16.9%) sparkline.none.948423: 631.67 ms (baseline: 618.75 ms, +2.1%) sparkline.movingAvg.948423: 133.76 ms (baseline: 126.64 ms, +5.6%) ⚠️ sparkline.rdp.948423: 240.85 ms (baseline: 117.61 ms, +104.8%) ✓ windrose.aggregation.1000: 433.7 µs (baseline: 1.70 ms, -74.5%) ✓ windrose.draw.1000: 845.4 µs (baseline: 1.02 ms, -17.5%) windrose.aggregation.10000: 1.53 ms (baseline: 1.48 ms, +3.5%) ⚠️ windrose.draw.10000: 1.85 ms (baseline: 876.5 µs, +110.7%) ⚠️ windrose.aggregation.50000: 10.49 ms (baseline: 7.54 ms, +39.1%) windrose.draw.50000: 879.2 µs (baseline: 955.5 µs, -8.0%) ⚠️ windrose.aggregation.100000: 19.17 ms (baseline: 14.33 ms, +33.7%) ⚠️ windrose.draw.100000: 1.47 ms (baseline: 849.4 µs, +73.6%) ⚠️ windrose.aggregation.500000: 36.48 ms (baseline: 28.47 ms, +28.1%) ⚠️ windrose.draw.500000: 2.47 ms (baseline: 796.6 µs, +209.8%) windrose.aggregation.948423: 28.98 ms (baseline: 28.34 ms, +2.3%) ⚠️ windrose.draw.948423: 926.9 µs (baseline: 761.6 µs, +21.7%) ⚠️ scaling.none.1x: 10.52 ms (baseline: 7.15 ms, +47.1%) ⚠️ scaling.movingAvg.1x: 2.22 ms (baseline: 983.2 µs, +126.1%) scaling.rdp.1x: 597.3 µs (baseline: 573.8 µs, +4.1%) ✓ scaling.none.2x: 17.58 ms (baseline: 30.56 ms, -42.5%) ✓ scaling.movingAvg.2x: 2.40 ms (baseline: 3.19 ms, -24.7%) ⚠️ scaling.rdp.2x: 2.15 ms (baseline: 1.76 ms, +22.2%) ⚠️ scaling.none.5x: 35.10 ms (baseline: 22.07 ms, +59.0%) ⚠️ scaling.movingAvg.5x: 4.90 ms (baseline: 3.52 ms, +39.2%) ✓ scaling.rdp.5x: 2.70 ms (baseline: 3.79 ms, -28.7%) scaling.none.10x: 57.19 ms (baseline: 52.64 ms, +8.6%) ⚠️ scaling.movingAvg.10x: 16.75 ms (baseline: 8.21 ms, +104.1%) ⚠️ scaling.rdp.10x: 13.18 ms (baseline: 3.28 ms, +302.1%) ✓ scaling.none.20x: 110.07 ms (baseline: 149.92 ms, -26.6%) ✓ scaling.movingAvg.20x: 15.17 ms (baseline: 20.14 ms, -24.7%) scaling.rdp.20x: 10.71 ms (baseline: 11.28 ms, -5.1%) ✓ scaling.none.50x: 274.97 ms (baseline: 317.35 ms, -13.4%) ⚠️ scaling.movingAvg.50x: 42.56 ms (baseline: 34.81 ms, +22.3%) ⚠️ scaling.rdp.50x: 32.93 ms (baseline: 21.90 ms, +50.4%) multiseries.movingAvg.1series: 21.58 ms (baseline: 19.35 ms, +11.5%) ✓ multiseries.rdp.1series: 7.55 ms (baseline: 24.68 ms, -69.4%) ✓ multiseries.movingAvg.2series: 16.59 ms (baseline: 27.98 ms, -40.7%) ✓ multiseries.rdp.2series: 17.11 ms (baseline: 19.14 ms, -10.6%) ⚠️ multiseries.movingAvg.3series: 15.65 ms (baseline: 12.55 ms, +24.7%) multiseries.rdp.3series: 16.75 ms (baseline: 16.46 ms, +1.8%) ⚠️ multiseries.movingAvg.5series: 31.30 ms (baseline: 23.00 ms, +36.0%) ⚠️ multiseries.rdp.5series: 39.91 ms (baseline: 32.52 ms, +22.7%) 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: 44.54 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: 0.017 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: 0.025 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: 20.43 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: 01:16 min [INFO] Finished at: 2026-06-10T10:31:54Z [INFO] ------------------------------------------------------------------------