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: 2.828 s [INFO] Finished at: 2026-04-23T18:26:09Z [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: 2.628 s [INFO] Finished at: 2026-04-23T18:26:14Z [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: 2026-04-23T16:45:50.302283243Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:26:40.211 [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 | 3.81 ms | 2.78 ms | 3.42 ms 1,000 | 5.63 ms | 2.45 ms | 3.67 ms 10,000 | 23.00 ms | 6.65 ms | 9.17 ms 49,871 | 39.71 ms | 8.99 ms | 61.85 ms 97,643 | 103.62 ms | 5.54 ms | 9.36 ms 495,995 | 345.60 ms | 41.82 ms | 90.59 ms 944,282 | 640.23 ms | 112.92 ms | 63.68 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 | 474.7 µs | 879.0 µs | 1.35 ms 10,000 | 5.55 ms | 1.71 ms | 7.27 ms 50,000 | 18.58 ms | 1.27 ms | 19.85 ms 100,000 | 13.15 ms | 2.05 ms | 15.20 ms 500,000 | 43.60 ms | 1.46 ms | 45.05 ms 948,423 | 64.83 ms | 638.6 µs | 65.47 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 | 11.43 ms ( 0.7x) | 1.52 ms ( 1.9x) | 1.48 ms ( 2.3x) 2x | 19,996 | 13.35 ms ( 0.8x) | 3.24 ms ( 4.0x) | 1.54 ms ( 2.3x) 5x | 49,871 | 32.45 ms ( 1.9x) | 3.27 ms ( 4.0x) | 3.90 ms ( 6.0x) 10x | 97,643 | 66.88 ms ( 3.8x) | 10.48 ms (12.9x) | 7.90 ms (12.0x) 20x | 196,569 | 113.29 ms ( 6.5x) | 13.94 ms (17.1x) | 15.47 ms (23.6x) 50x | 495,995 | 309.43 ms (17.7x) | 45.44 ms (55.8x) | 23.44 ms (35.7x) 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 | 654.8 µs | 5 | 195.0 µs 10,000 | 5 | 513.6 µs | 5 | 473.1 µs 97,643 | 5 | 4.60 ms | 5 | 4.99 ms 495,995 | 5 | 43.17 ms | 5 | 58.80 ms 944,282 | 5 | 117.89 ms | 5 | 72.53 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 | 7.97 ms | 36.38 ms 2 | 11.94 ms | 11.06 ms 3 | 15.31 ms | 17.32 ms 5 | 26.49 ms | 41.05 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.81 ms (baseline: 5.38 ms, -29.1%) sparkline.movingAvg.100: 2.78 ms (baseline: 2.64 ms, +5.0%) ⚠️ sparkline.rdp.100: 3.42 ms (baseline: 1.77 ms, +92.8%) ✓ sparkline.none.1000: 5.63 ms (baseline: 11.00 ms, -48.8%) ✓ sparkline.movingAvg.1000: 2.45 ms (baseline: 4.70 ms, -47.9%) ✓ sparkline.rdp.1000: 3.67 ms (baseline: 4.12 ms, -11.0%) ⚠️ sparkline.none.10000: 23.00 ms (baseline: 17.84 ms, +28.9%) ⚠️ sparkline.movingAvg.10000: 6.65 ms (baseline: 5.18 ms, +28.3%) ⚠️ sparkline.rdp.10000: 9.17 ms (baseline: 5.15 ms, +78.0%) ✓ sparkline.none.50000: 39.71 ms (baseline: 50.95 ms, -22.1%) ⚠️ sparkline.movingAvg.50000: 8.99 ms (baseline: 4.26 ms, +111.0%) ✓ sparkline.rdp.50000: 61.85 ms (baseline: 78.33 ms, -21.0%) ⚠️ sparkline.none.100000: 103.62 ms (baseline: 79.47 ms, +30.4%) ⚠️ sparkline.movingAvg.100000: 5.54 ms (baseline: 4.39 ms, +26.1%) ✓ sparkline.rdp.100000: 9.36 ms (baseline: 98.50 ms, -90.5%) sparkline.none.500000: 345.60 ms (baseline: 349.27 ms, -1.1%) ✓ sparkline.movingAvg.500000: 41.82 ms (baseline: 56.99 ms, -26.6%) ⚠️ sparkline.rdp.500000: 90.59 ms (baseline: 19.38 ms, +367.5%) sparkline.none.948423: 640.23 ms (baseline: 629.94 ms, +1.6%) ✓ sparkline.movingAvg.948423: 112.92 ms (baseline: 130.73 ms, -13.6%) ✓ sparkline.rdp.948423: 63.68 ms (baseline: 139.21 ms, -54.3%) ✓ windrose.aggregation.1000: 474.7 µs (baseline: 716.6 µs, -33.8%) ✓ windrose.draw.1000: 879.0 µs (baseline: 2.44 ms, -64.0%) ✓ windrose.aggregation.10000: 5.55 ms (baseline: 10.55 ms, -47.4%) ⚠️ windrose.draw.10000: 1.71 ms (baseline: 898.8 µs, +90.5%) ✓ windrose.aggregation.50000: 18.58 ms (baseline: 21.00 ms, -11.5%) ✓ windrose.draw.50000: 1.27 ms (baseline: 1.94 ms, -34.6%) windrose.aggregation.100000: 13.15 ms (baseline: 12.52 ms, +5.0%) ⚠️ windrose.draw.100000: 2.05 ms (baseline: 678.7 µs, +201.5%) windrose.aggregation.500000: 43.60 ms (baseline: 39.11 ms, +11.5%) ✓ windrose.draw.500000: 1.46 ms (baseline: 2.08 ms, -29.8%) ✓ windrose.aggregation.948423: 64.83 ms (baseline: 74.56 ms, -13.0%) windrose.draw.948423: 638.6 µs (baseline: 607.0 µs, +5.2%) scaling.none.1x: 11.43 ms (baseline: 11.91 ms, -4.0%) ✓ scaling.movingAvg.1x: 1.52 ms (baseline: 2.39 ms, -36.2%) ⚠️ scaling.rdp.1x: 1.48 ms (baseline: 1.16 ms, +28.3%) ✓ scaling.none.2x: 13.35 ms (baseline: 17.11 ms, -22.0%) scaling.movingAvg.2x: 3.24 ms (baseline: 2.91 ms, +11.1%) ✓ scaling.rdp.2x: 1.54 ms (baseline: 1.74 ms, -11.6%) ⚠️ scaling.none.5x: 32.45 ms (baseline: 26.03 ms, +24.7%) scaling.movingAvg.5x: 3.27 ms (baseline: 3.19 ms, +2.4%) ⚠️ scaling.rdp.5x: 3.90 ms (baseline: 2.09 ms, +86.8%) scaling.none.10x: 66.88 ms (baseline: 63.74 ms, +4.9%) ⚠️ scaling.movingAvg.10x: 10.48 ms (baseline: 5.79 ms, +80.9%) scaling.rdp.10x: 7.90 ms (baseline: 6.86 ms, +15.1%) scaling.none.20x: 113.29 ms (baseline: 116.54 ms, -2.8%) ⚠️ scaling.movingAvg.20x: 13.94 ms (baseline: 10.92 ms, +27.7%) ✓ scaling.rdp.20x: 15.47 ms (baseline: 17.45 ms, -11.3%) scaling.none.50x: 309.43 ms (baseline: 308.99 ms, +0.1%) ⚠️ scaling.movingAvg.50x: 45.44 ms (baseline: 26.79 ms, +69.6%) scaling.rdp.50x: 23.44 ms (baseline: 20.79 ms, +12.7%) ⚠️ multiseries.movingAvg.1series: 7.97 ms (baseline: 6.07 ms, +31.2%) ⚠️ multiseries.rdp.1series: 36.38 ms (baseline: 10.57 ms, +244.1%) ✓ multiseries.movingAvg.2series: 11.94 ms (baseline: 16.49 ms, -27.6%) ⚠️ multiseries.rdp.2series: 11.06 ms (baseline: 8.93 ms, +23.8%) multiseries.movingAvg.3series: 15.31 ms (baseline: 12.85 ms, +19.2%) ✓ multiseries.rdp.3series: 17.32 ms (baseline: 23.34 ms, -25.8%) multiseries.movingAvg.5series: 26.49 ms (baseline: 23.08 ms, +14.8%) ⚠️ multiseries.rdp.5series: 41.05 ms (baseline: 32.78 ms, +25.3%) 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: 42.61 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: 0.028 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: 0.054 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: 19.09 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: 01:10 min [INFO] Finished at: 2026-04-23T18:27:26Z [INFO] ------------------------------------------------------------------------