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: 2.560 s [INFO] Finished at: 2026-06-11T04:35:17Z [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: 2.094 s [INFO] Finished at: 2026-06-11T04:35:22Z [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: 2026-06-11T02:02:12.541074384Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 04:35:57.458 [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 | 1.82 ms | 3.09 ms | 1.14 ms 1,000 | 4.32 ms | 2.63 ms | 3.84 ms 10,000 | 16.17 ms | 2.63 ms | 8.38 ms 49,871 | 59.91 ms | 8.15 ms | 61.63 ms 97,643 | 96.33 ms | 13.11 ms | 19.32 ms 495,995 | 357.97 ms | 76.72 ms | 29.09 ms 944,282 | 611.78 ms | 113.83 ms | 141.33 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 | 2.48 ms | 1.26 ms | 3.74 ms 10,000 | 1.53 ms | 1.95 ms | 3.48 ms 50,000 | 14.82 ms | 2.20 ms | 17.02 ms 100,000 | 8.82 ms | 1.92 ms | 10.75 ms 500,000 | 28.37 ms | 1.06 ms | 29.42 ms 948,423 | 61.88 ms | 1.09 ms | 62.98 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 | 4.32 ms ( 0.3x) | 815.1 µs ( 0.3x) | 819.9 µs ( 0.1x) 2x | 19,996 | 14.06 ms ( 0.9x) | 4.73 ms ( 1.8x) | 4.62 ms ( 0.8x) 5x | 49,871 | 36.21 ms ( 2.2x) | 7.39 ms ( 2.9x) | 1.87 ms ( 0.3x) 10x | 97,643 | 71.06 ms ( 4.3x) | 8.54 ms ( 3.3x) | 7.78 ms ( 1.3x) 20x | 196,569 | 106.73 ms ( 6.5x) | 23.77 ms ( 9.3x) | 10.82 ms ( 1.8x) 50x | 495,995 | 313.14 ms (19.0x) | 33.50 ms (13.1x) | 20.87 ms ( 3.5x) 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 | 150.5 µs | 5 | 189.7 µs 10,000 | 5 | 1.35 ms | 5 | 2.54 ms 97,643 | 5 | 5.04 ms | 5 | 6.95 ms 495,995 | 5 | 56.92 ms | 5 | 35.13 ms 944,282 | 5 | 119.59 ms | 5 | 143.73 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 | 11.31 ms | 3.61 ms 2 | 19.03 ms | 15.02 ms 3 | 13.14 ms | 15.73 ms 5 | 36.90 ms | 49.68 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.82 ms (baseline: 6.55 ms, -72.2%) sparkline.movingAvg.100: 3.09 ms (baseline: 2.92 ms, +5.7%) ✓ sparkline.rdp.100: 1.14 ms (baseline: 3.87 ms, -70.5%) ✓ sparkline.none.1000: 4.32 ms (baseline: 6.48 ms, -33.2%) sparkline.movingAvg.1000: 2.63 ms (baseline: 2.46 ms, +7.1%) ⚠️ sparkline.rdp.1000: 3.84 ms (baseline: 2.24 ms, +71.1%) ✓ sparkline.none.10000: 16.17 ms (baseline: 29.26 ms, -44.7%) ✓ sparkline.movingAvg.10000: 2.63 ms (baseline: 7.08 ms, -62.8%) ⚠️ sparkline.rdp.10000: 8.38 ms (baseline: 6.32 ms, +32.7%) ⚠️ sparkline.none.50000: 59.91 ms (baseline: 40.98 ms, +46.2%) ⚠️ sparkline.movingAvg.50000: 8.15 ms (baseline: 3.31 ms, +146.0%) ⚠️ sparkline.rdp.50000: 61.63 ms (baseline: 17.23 ms, +257.8%) ✓ sparkline.none.100000: 96.33 ms (baseline: 137.27 ms, -29.8%) ✓ sparkline.movingAvg.100000: 13.11 ms (baseline: 17.64 ms, -25.7%) ⚠️ sparkline.rdp.100000: 19.32 ms (baseline: 7.16 ms, +170.0%) sparkline.none.500000: 357.97 ms (baseline: 351.03 ms, +2.0%) ⚠️ sparkline.movingAvg.500000: 76.72 ms (baseline: 43.23 ms, +77.5%) sparkline.rdp.500000: 29.09 ms (baseline: 30.32 ms, -4.0%) sparkline.none.948423: 611.78 ms (baseline: 562.95 ms, +8.7%) sparkline.movingAvg.948423: 113.83 ms (baseline: 102.48 ms, +11.1%) ✓ sparkline.rdp.948423: 141.33 ms (baseline: 212.65 ms, -33.5%) ⚠️ windrose.aggregation.1000: 2.48 ms (baseline: 1.81 ms, +37.0%) ✓ windrose.draw.1000: 1.26 ms (baseline: 1.77 ms, -28.5%) windrose.aggregation.10000: 1.53 ms (baseline: 1.46 ms, +4.8%) windrose.draw.10000: 1.95 ms (baseline: 1.82 ms, +7.4%) ✓ windrose.aggregation.50000: 14.82 ms (baseline: 19.53 ms, -24.1%) ✓ windrose.draw.50000: 2.20 ms (baseline: 2.49 ms, -11.7%) ⚠️ windrose.aggregation.100000: 8.82 ms (baseline: 6.97 ms, +26.6%) ⚠️ windrose.draw.100000: 1.92 ms (baseline: 720.9 µs, +167.0%) ⚠️ windrose.aggregation.500000: 28.37 ms (baseline: 21.05 ms, +34.8%) ✓ windrose.draw.500000: 1.06 ms (baseline: 1.51 ms, -29.9%) ✓ windrose.aggregation.948423: 61.88 ms (baseline: 73.05 ms, -15.3%) ⚠️ windrose.draw.948423: 1.09 ms (baseline: 663.1 µs, +65.0%) ✓ scaling.none.1x: 4.32 ms (baseline: 7.50 ms, -42.4%) ✓ scaling.movingAvg.1x: 815.1 µs (baseline: 1.72 ms, -52.5%) ✓ scaling.rdp.1x: 819.9 µs (baseline: 1.38 ms, -40.7%) ✓ scaling.none.2x: 14.06 ms (baseline: 31.98 ms, -56.0%) ✓ scaling.movingAvg.2x: 4.73 ms (baseline: 7.40 ms, -36.0%) scaling.rdp.2x: 4.62 ms (baseline: 3.93 ms, +17.4%) scaling.none.5x: 36.21 ms (baseline: 31.95 ms, +13.3%) ⚠️ scaling.movingAvg.5x: 7.39 ms (baseline: 5.70 ms, +29.7%) ✓ scaling.rdp.5x: 1.87 ms (baseline: 4.43 ms, -57.8%) ⚠️ scaling.none.10x: 71.06 ms (baseline: 56.88 ms, +24.9%) ⚠️ scaling.movingAvg.10x: 8.54 ms (baseline: 5.35 ms, +59.8%) ⚠️ scaling.rdp.10x: 7.78 ms (baseline: 5.45 ms, +42.6%) scaling.none.20x: 106.73 ms (baseline: 105.77 ms, +0.9%) ⚠️ scaling.movingAvg.20x: 23.77 ms (baseline: 13.88 ms, +71.3%) ✓ scaling.rdp.20x: 10.82 ms (baseline: 30.89 ms, -65.0%) scaling.none.50x: 313.14 ms (baseline: 294.25 ms, +6.4%) ✓ scaling.movingAvg.50x: 33.50 ms (baseline: 43.70 ms, -23.3%) ✓ scaling.rdp.50x: 20.87 ms (baseline: 28.31 ms, -26.3%) ⚠️ multiseries.movingAvg.1series: 11.31 ms (baseline: 5.65 ms, +100.3%) ✓ multiseries.rdp.1series: 3.61 ms (baseline: 5.11 ms, -29.3%) multiseries.movingAvg.2series: 19.03 ms (baseline: 21.12 ms, -9.9%) multiseries.rdp.2series: 15.02 ms (baseline: 13.18 ms, +13.9%) ✓ multiseries.movingAvg.3series: 13.14 ms (baseline: 19.06 ms, -31.1%) multiseries.rdp.3series: 15.73 ms (baseline: 15.30 ms, +2.8%) multiseries.movingAvg.5series: 36.90 ms (baseline: 34.89 ms, +5.8%) multiseries.rdp.5series: 49.68 ms (baseline: 44.46 ms, +11.7%) 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: 44.99 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: 0.026 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: 20.47 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: 2026-06-11T04:36:47Z [INFO] ------------------------------------------------------------------------