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=25.1.6 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.766 s [INFO] Finished at: 2026-05-31T07:17:36Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.6 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.237 s [INFO] Finished at: 2026-05-31T07:17:41Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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 6.8.0-117-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-05-31T05:43:27.019774161Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:18:14.297 [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 | 3.55 ms | 3.79 ms | 2.81 ms 1,000 | 2.93 ms | 3.81 ms | 3.16 ms 10,000 | 15.12 ms | 5.77 ms | 7.99 ms 49,871 | 28.04 ms | 7.91 ms | 50.33 ms 97,643 | 112.27 ms | 11.42 ms | 9.95 ms 495,995 | 352.02 ms | 43.82 ms | 36.48 ms 944,282 | 570.57 ms | 109.00 ms | 101.32 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 | 401.0 µs | 2.15 ms | 2.56 ms 10,000 | 1.47 ms | 4.43 ms | 5.90 ms 50,000 | 17.03 ms | 1.49 ms | 18.51 ms 100,000 | 12.11 ms | 1.47 ms | 13.57 ms 500,000 | 39.63 ms | 1.22 ms | 40.86 ms 948,423 | 79.34 ms | 2.16 ms | 81.50 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 | 18.20 ms ( 1.7x) | 843.2 µs ( 0.9x) | 2.57 ms ( 4.3x) 2x | 19,996 | 11.21 ms ( 1.1x) | 1.40 ms ( 1.4x) | 928.8 µs ( 1.6x) 5x | 49,871 | 38.13 ms ( 3.6x) | 5.50 ms ( 5.7x) | 2.31 ms ( 3.9x) 10x | 97,643 | 59.03 ms ( 5.5x) | 12.03 ms (12.4x) | 3.78 ms ( 6.4x) 20x | 196,569 | 145.54 ms (13.6x) | 12.96 ms (13.3x) | 38.83 ms (65.3x) 50x | 495,995 | 299.81 ms (28.1x) | 68.68 ms (70.6x) | 30.97 ms (52.1x) 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 | 168.9 µs | 5 | 202.5 µs 10,000 | 5 | 752.4 µs | 5 | 469.7 µs 97,643 | 5 | 8.07 ms | 5 | 5.41 ms 495,995 | 5 | 54.63 ms | 5 | 50.97 ms 944,282 | 5 | 121.00 ms | 5 | 105.50 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 | 10.75 ms | 6.90 ms 2 | 11.32 ms | 14.25 ms 3 | 26.03 ms | 37.28 ms 5 | 27.15 ms | 51.36 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.55 ms (baseline: 2.86 ms, +24.1%) sparkline.movingAvg.100: 3.79 ms (baseline: 3.77 ms, +0.5%) sparkline.rdp.100: 2.81 ms (baseline: 2.55 ms, +9.9%) ✓ sparkline.none.1000: 2.93 ms (baseline: 8.33 ms, -64.8%) ⚠️ sparkline.movingAvg.1000: 3.81 ms (baseline: 2.79 ms, +36.4%) sparkline.rdp.1000: 3.16 ms (baseline: 3.22 ms, -1.8%) ✓ sparkline.none.10000: 15.12 ms (baseline: 22.49 ms, -32.8%) ⚠️ sparkline.movingAvg.10000: 5.77 ms (baseline: 1.25 ms, +362.2%) ⚠️ sparkline.rdp.10000: 7.99 ms (baseline: 6.17 ms, +29.6%) ✓ sparkline.none.50000: 28.04 ms (baseline: 72.04 ms, -61.1%) ✓ sparkline.movingAvg.50000: 7.91 ms (baseline: 9.43 ms, -16.1%) ✓ sparkline.rdp.50000: 50.33 ms (baseline: 78.40 ms, -35.8%) ⚠️ sparkline.none.100000: 112.27 ms (baseline: 76.99 ms, +45.8%) ⚠️ sparkline.movingAvg.100000: 11.42 ms (baseline: 9.32 ms, +22.5%) ⚠️ sparkline.rdp.100000: 9.95 ms (baseline: 6.70 ms, +48.6%) sparkline.none.500000: 352.02 ms (baseline: 350.21 ms, +0.5%) ⚠️ sparkline.movingAvg.500000: 43.82 ms (baseline: 34.81 ms, +25.9%) ⚠️ sparkline.rdp.500000: 36.48 ms (baseline: 26.55 ms, +37.4%) sparkline.none.948423: 570.57 ms (baseline: 592.02 ms, -3.6%) ✓ sparkline.movingAvg.948423: 109.00 ms (baseline: 125.05 ms, -12.8%) ✓ sparkline.rdp.948423: 101.32 ms (baseline: 130.43 ms, -22.3%) windrose.aggregation.1000: 401.0 µs (baseline: 407.8 µs, -1.7%) ✓ windrose.draw.1000: 2.15 ms (baseline: 3.18 ms, -32.2%) ✓ windrose.aggregation.10000: 1.47 ms (baseline: 5.80 ms, -74.7%) ⚠️ windrose.draw.10000: 4.43 ms (baseline: 2.93 ms, +51.2%) ⚠️ windrose.aggregation.50000: 17.03 ms (baseline: 10.31 ms, +65.1%) ⚠️ windrose.draw.50000: 1.49 ms (baseline: 989.6 µs, +50.1%) ⚠️ windrose.aggregation.100000: 12.11 ms (baseline: 8.09 ms, +49.7%) ⚠️ windrose.draw.100000: 1.47 ms (baseline: 728.4 µs, +101.3%) ⚠️ windrose.aggregation.500000: 39.63 ms (baseline: 19.57 ms, +102.5%) ✓ windrose.draw.500000: 1.22 ms (baseline: 1.44 ms, -15.2%) windrose.aggregation.948423: 79.34 ms (baseline: 75.47 ms, +5.1%) ⚠️ windrose.draw.948423: 2.16 ms (baseline: 1.29 ms, +67.8%) ⚠️ scaling.none.1x: 18.20 ms (baseline: 4.83 ms, +276.8%) ✓ scaling.movingAvg.1x: 843.2 µs (baseline: 1.96 ms, -57.1%) ⚠️ scaling.rdp.1x: 2.57 ms (baseline: 628.4 µs, +309.2%) ✓ scaling.none.2x: 11.21 ms (baseline: 21.12 ms, -46.9%) ✓ scaling.movingAvg.2x: 1.40 ms (baseline: 2.43 ms, -42.4%) ✓ scaling.rdp.2x: 928.8 µs (baseline: 1.58 ms, -41.3%) scaling.none.5x: 38.13 ms (baseline: 39.14 ms, -2.6%) ⚠️ scaling.movingAvg.5x: 5.50 ms (baseline: 4.35 ms, +26.4%) ✓ scaling.rdp.5x: 2.31 ms (baseline: 3.15 ms, -26.7%) ✓ scaling.none.10x: 59.03 ms (baseline: 72.38 ms, -18.4%) ⚠️ scaling.movingAvg.10x: 12.03 ms (baseline: 7.33 ms, +64.1%) ✓ scaling.rdp.10x: 3.78 ms (baseline: 4.71 ms, -19.8%) ⚠️ scaling.none.20x: 145.54 ms (baseline: 110.56 ms, +31.6%) ⚠️ scaling.movingAvg.20x: 12.96 ms (baseline: 8.75 ms, +48.1%) ⚠️ scaling.rdp.20x: 38.83 ms (baseline: 16.47 ms, +135.8%) scaling.none.50x: 299.81 ms (baseline: 296.56 ms, +1.1%) scaling.movingAvg.50x: 68.68 ms (baseline: 64.92 ms, +5.8%) ⚠️ scaling.rdp.50x: 30.97 ms (baseline: 18.54 ms, +67.0%) ⚠️ multiseries.movingAvg.1series: 10.75 ms (baseline: 7.70 ms, +39.8%) multiseries.rdp.1series: 6.90 ms (baseline: 7.45 ms, -7.5%) multiseries.movingAvg.2series: 11.32 ms (baseline: 10.22 ms, +10.8%) multiseries.rdp.2series: 14.25 ms (baseline: 13.06 ms, +9.1%) ⚠️ multiseries.movingAvg.3series: 26.03 ms (baseline: 14.71 ms, +76.9%) ⚠️ multiseries.rdp.3series: 37.28 ms (baseline: 19.28 ms, +93.4%) multiseries.movingAvg.5series: 27.15 ms (baseline: 24.44 ms, +11.1%) multiseries.rdp.5series: 51.36 ms (baseline: 44.22 ms, +16.1%) 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: 42.89 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: 0.012 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: 0.028 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: 20.64 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: 01:13 min [INFO] Finished at: 2026-05-31T07:19:02Z [INFO] ------------------------------------------------------------------------