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-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: 2.532 s [INFO] Finished at: 2026-06-12T17:11:15Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1-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 -> 25.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.105 s [INFO] Finished at: 2026-06-12T17:11:19Z [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: 2026-06-12T16:10:14.943741546Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 17:11:53.414 [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 | 4.19 ms | 8.33 ms | 4.64 ms 1,000 | 7.45 ms | 3.28 ms | 2.02 ms 10,000 | 28.09 ms | 1.48 ms | 6.50 ms 49,871 | 35.86 ms | 3.40 ms | 118.95 ms 97,643 | 87.30 ms | 10.49 ms | 9.31 ms 495,995 | 372.61 ms | 40.56 ms | 31.62 ms 944,282 | 578.63 ms | 126.09 ms | 49.70 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 | 407.6 µs | 2.71 ms | 3.12 ms 10,000 | 1.49 ms | 2.91 ms | 4.40 ms 50,000 | 15.14 ms | 794.1 µs | 15.94 ms 100,000 | 12.82 ms | 1.80 ms | 14.62 ms 500,000 | 40.09 ms | 2.87 ms | 42.96 ms 948,423 | 43.56 ms | 896.7 µs | 44.46 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 | 5.64 ms ( 0.4x) | 1.24 ms ( 0.7x) | 2.27 ms ( 1.5x) 2x | 19,996 | 14.78 ms ( 1.1x) | 2.28 ms ( 1.4x) | 2.08 ms ( 1.4x) 5x | 49,871 | 35.43 ms ( 2.5x) | 6.41 ms ( 3.8x) | 1.93 ms ( 1.3x) 10x | 97,643 | 75.10 ms ( 5.4x) | 5.62 ms ( 3.3x) | 10.40 ms ( 6.9x) 20x | 196,569 | 107.96 ms ( 7.7x) | 10.86 ms ( 6.5x) | 15.09 ms (10.0x) 50x | 495,995 | 305.23 ms (21.8x) | 39.03 ms (23.2x) | 22.13 ms (14.7x) 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 | 387.1 µs | 5 | 218.6 µs 10,000 | 5 | 646.9 µs | 5 | 488.3 µs 97,643 | 5 | 10.84 ms | 5 | 4.28 ms 495,995 | 5 | 66.42 ms | 5 | 45.59 ms 944,282 | 5 | 108.72 ms | 5 | 80.55 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 | 4.84 ms | 7.43 ms 2 | 16.33 ms | 21.86 ms 3 | 14.59 ms | 14.76 ms 5 | 35.19 ms | 47.53 ms Draw time scales with number of series. === Performance Summary === sparkline.none.100: 4.19 ms (baseline: 3.92 ms, +6.9%) ⚠️ sparkline.movingAvg.100: 8.33 ms (baseline: 4.49 ms, +85.5%) sparkline.rdp.100: 4.64 ms (baseline: 4.50 ms, +3.3%) sparkline.none.1000: 7.45 ms (baseline: 7.69 ms, -3.0%) ⚠️ sparkline.movingAvg.1000: 3.28 ms (baseline: 2.34 ms, +40.5%) ⚠️ sparkline.rdp.1000: 2.02 ms (baseline: 1.50 ms, +34.6%) ⚠️ sparkline.none.10000: 28.09 ms (baseline: 13.78 ms, +103.8%) ✓ sparkline.movingAvg.10000: 1.48 ms (baseline: 5.61 ms, -73.7%) ✓ sparkline.rdp.10000: 6.50 ms (baseline: 8.74 ms, -25.7%) ✓ sparkline.none.50000: 35.86 ms (baseline: 42.07 ms, -14.8%) sparkline.movingAvg.50000: 3.40 ms (baseline: 2.85 ms, +19.4%) ⚠️ sparkline.rdp.50000: 118.95 ms (baseline: 76.71 ms, +55.1%) sparkline.none.100000: 87.30 ms (baseline: 77.37 ms, +12.8%) ⚠️ sparkline.movingAvg.100000: 10.49 ms (baseline: 7.99 ms, +31.2%) ✓ sparkline.rdp.100000: 9.31 ms (baseline: 12.04 ms, -22.6%) sparkline.none.500000: 372.61 ms (baseline: 386.46 ms, -3.6%) ⚠️ sparkline.movingAvg.500000: 40.56 ms (baseline: 30.07 ms, +34.9%) ✓ sparkline.rdp.500000: 31.62 ms (baseline: 100.46 ms, -68.5%) ✓ sparkline.none.948423: 578.63 ms (baseline: 691.45 ms, -16.3%) sparkline.movingAvg.948423: 126.09 ms (baseline: 121.47 ms, +3.8%) ✓ sparkline.rdp.948423: 49.70 ms (baseline: 134.77 ms, -63.1%) ✓ windrose.aggregation.1000: 407.6 µs (baseline: 471.1 µs, -13.5%) ⚠️ windrose.draw.1000: 2.71 ms (baseline: 1.97 ms, +37.7%) ✓ windrose.aggregation.10000: 1.49 ms (baseline: 2.05 ms, -27.2%) ✓ windrose.draw.10000: 2.91 ms (baseline: 3.72 ms, -21.8%) ✓ windrose.aggregation.50000: 15.14 ms (baseline: 24.27 ms, -37.6%) ✓ windrose.draw.50000: 794.1 µs (baseline: 2.20 ms, -63.8%) ⚠️ windrose.aggregation.100000: 12.82 ms (baseline: 7.26 ms, +76.5%) windrose.draw.100000: 1.80 ms (baseline: 1.74 ms, +3.9%) ✓ windrose.aggregation.500000: 40.09 ms (baseline: 46.75 ms, -14.2%) ✓ windrose.draw.500000: 2.87 ms (baseline: 3.26 ms, -11.8%) ✓ windrose.aggregation.948423: 43.56 ms (baseline: 83.58 ms, -47.9%) ✓ windrose.draw.948423: 896.7 µs (baseline: 2.03 ms, -55.9%) ✓ scaling.none.1x: 5.64 ms (baseline: 7.23 ms, -22.0%) ✓ scaling.movingAvg.1x: 1.24 ms (baseline: 3.38 ms, -63.3%) ✓ scaling.rdp.1x: 2.27 ms (baseline: 3.20 ms, -28.9%) ✓ scaling.none.2x: 14.78 ms (baseline: 24.59 ms, -39.9%) ⚠️ scaling.movingAvg.2x: 2.28 ms (baseline: 1.71 ms, +33.2%) ⚠️ scaling.rdp.2x: 2.08 ms (baseline: 1.47 ms, +41.2%) ✓ scaling.none.5x: 35.43 ms (baseline: 61.09 ms, -42.0%) ✓ scaling.movingAvg.5x: 6.41 ms (baseline: 8.38 ms, -23.5%) ✓ scaling.rdp.5x: 1.93 ms (baseline: 6.68 ms, -71.1%) ⚠️ scaling.none.10x: 75.10 ms (baseline: 49.52 ms, +51.6%) ✓ scaling.movingAvg.10x: 5.62 ms (baseline: 8.91 ms, -36.9%) ⚠️ scaling.rdp.10x: 10.40 ms (baseline: 5.24 ms, +98.7%) ✓ scaling.none.20x: 107.96 ms (baseline: 142.28 ms, -24.1%) ✓ scaling.movingAvg.20x: 10.86 ms (baseline: 14.14 ms, -23.2%) ⚠️ scaling.rdp.20x: 15.09 ms (baseline: 8.44 ms, +78.9%) scaling.none.50x: 305.23 ms (baseline: 294.96 ms, +3.5%) ✓ scaling.movingAvg.50x: 39.03 ms (baseline: 69.53 ms, -43.9%) ✓ scaling.rdp.50x: 22.13 ms (baseline: 29.86 ms, -25.9%) ✓ multiseries.movingAvg.1series: 4.84 ms (baseline: 10.22 ms, -52.6%) ✓ multiseries.rdp.1series: 7.43 ms (baseline: 15.65 ms, -52.5%) ⚠️ multiseries.movingAvg.2series: 16.33 ms (baseline: 10.14 ms, +61.1%) ⚠️ multiseries.rdp.2series: 21.86 ms (baseline: 9.60 ms, +127.7%) ✓ multiseries.movingAvg.3series: 14.59 ms (baseline: 18.67 ms, -21.9%) ✓ multiseries.rdp.3series: 14.76 ms (baseline: 18.53 ms, -20.4%) ⚠️ multiseries.movingAvg.5series: 35.19 ms (baseline: 28.04 ms, +25.5%) ⚠️ multiseries.rdp.5series: 47.53 ms (baseline: 36.85 ms, +29.0%) 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: 44.14 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: 0.032 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: 0.071 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: 18.78 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: 01:12 min [INFO] Finished at: 2026-06-12T17:12:41Z [INFO] ------------------------------------------------------------------------