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: 2.291 s [INFO] Finished at: 2026-06-09T21:38:43Z [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: 2026-06-09T21:38:48Z [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: 2026-06-09T19:51:28.267640936Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:39:23.447 [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 | 4.39 ms | 5.21 ms | 3.27 ms 1,000 | 14.27 ms | 5.73 ms | 2.25 ms 10,000 | 13.54 ms | 2.82 ms | 4.91 ms 49,871 | 66.98 ms | 6.32 ms | 69.11 ms 97,643 | 62.36 ms | 5.72 ms | 33.77 ms 495,995 | 383.23 ms | 58.53 ms | 29.78 ms 944,282 | 651.72 ms | 135.72 ms | 84.06 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 | 493.2 µs | 2.20 ms | 2.70 ms 10,000 | 4.58 ms | 1.79 ms | 6.38 ms 50,000 | 16.56 ms | 1.59 ms | 18.15 ms 100,000 | 11.40 ms | 2.43 ms | 13.82 ms 500,000 | 39.49 ms | 1.45 ms | 40.93 ms 948,423 | 52.69 ms | 689.0 µs | 53.38 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 | 14.23 ms ( 1.1x) | 2.26 ms ( 3.0x) | 3.04 ms ( 3.1x) 2x | 19,996 | 14.86 ms ( 1.2x) | 1.30 ms ( 1.7x) | 938.8 µs ( 0.9x) 5x | 49,871 | 28.07 ms ( 2.2x) | 5.94 ms ( 7.8x) | 3.69 ms ( 3.7x) 10x | 97,643 | 64.52 ms ( 5.0x) | 5.13 ms ( 6.7x) | 4.87 ms ( 4.9x) 20x | 196,569 | 116.08 ms ( 9.0x) | 9.15 ms (12.0x) | 14.88 ms (14.9x) 50x | 495,995 | 308.73 ms (23.9x) | 42.82 ms (56.1x) | 22.99 ms (23.1x) 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 | 155.8 µs | 5 | 217.4 µs 10,000 | 5 | 1.98 ms | 5 | 2.55 ms 97,643 | 5 | 7.36 ms | 5 | 3.97 ms 495,995 | 5 | 55.89 ms | 5 | 31.63 ms 944,282 | 5 | 138.26 ms | 5 | 56.80 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 | 9.88 ms | 8.51 ms 2 | 9.07 ms | 17.33 ms 3 | 23.59 ms | 28.10 ms 5 | 22.43 ms | 30.09 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.39 ms (baseline: 2.64 ms, +66.1%) ⚠️ sparkline.movingAvg.100: 5.21 ms (baseline: 2.36 ms, +120.9%) sparkline.rdp.100: 3.27 ms (baseline: 3.06 ms, +6.9%) ⚠️ sparkline.none.1000: 14.27 ms (baseline: 5.33 ms, +167.8%) ⚠️ sparkline.movingAvg.1000: 5.73 ms (baseline: 4.56 ms, +25.7%) ✓ sparkline.rdp.1000: 2.25 ms (baseline: 6.90 ms, -67.4%) ✓ sparkline.none.10000: 13.54 ms (baseline: 26.78 ms, -49.4%) ⚠️ sparkline.movingAvg.10000: 2.82 ms (baseline: 1.84 ms, +53.3%) ✓ sparkline.rdp.10000: 4.91 ms (baseline: 7.31 ms, -32.8%) ⚠️ sparkline.none.50000: 66.98 ms (baseline: 53.24 ms, +25.8%) ⚠️ sparkline.movingAvg.50000: 6.32 ms (baseline: 4.30 ms, +47.0%) ⚠️ sparkline.rdp.50000: 69.11 ms (baseline: 28.93 ms, +138.9%) ✓ sparkline.none.100000: 62.36 ms (baseline: 96.55 ms, -35.4%) ✓ sparkline.movingAvg.100000: 5.72 ms (baseline: 13.95 ms, -59.0%) ✓ sparkline.rdp.100000: 33.77 ms (baseline: 54.31 ms, -37.8%) sparkline.none.500000: 383.23 ms (baseline: 374.20 ms, +2.4%) ⚠️ sparkline.movingAvg.500000: 58.53 ms (baseline: 47.39 ms, +23.5%) ⚠️ sparkline.rdp.500000: 29.78 ms (baseline: 19.65 ms, +51.6%) sparkline.none.948423: 651.72 ms (baseline: 584.10 ms, +11.6%) sparkline.movingAvg.948423: 135.72 ms (baseline: 135.94 ms, -0.2%) ⚠️ sparkline.rdp.948423: 84.06 ms (baseline: 58.93 ms, +42.6%) windrose.aggregation.1000: 493.2 µs (baseline: 458.8 µs, +7.5%) windrose.draw.1000: 2.20 ms (baseline: 1.85 ms, +19.3%) ⚠️ windrose.aggregation.10000: 4.58 ms (baseline: 3.78 ms, +21.3%) ⚠️ windrose.draw.10000: 1.79 ms (baseline: 1.47 ms, +22.3%) ⚠️ windrose.aggregation.50000: 16.56 ms (baseline: 12.63 ms, +31.1%) ⚠️ windrose.draw.50000: 1.59 ms (baseline: 1.04 ms, +53.3%) windrose.aggregation.100000: 11.40 ms (baseline: 11.37 ms, +0.3%) ✓ windrose.draw.100000: 2.43 ms (baseline: 4.56 ms, -46.9%) ✓ windrose.aggregation.500000: 39.49 ms (baseline: 58.99 ms, -33.1%) ✓ windrose.draw.500000: 1.45 ms (baseline: 2.68 ms, -45.9%) ✓ windrose.aggregation.948423: 52.69 ms (baseline: 88.73 ms, -40.6%) ✓ windrose.draw.948423: 689.0 µs (baseline: 1.99 ms, -65.3%) scaling.none.1x: 14.23 ms (baseline: 14.77 ms, -3.7%) ⚠️ scaling.movingAvg.1x: 2.26 ms (baseline: 1.45 ms, +55.6%) ⚠️ scaling.rdp.1x: 3.04 ms (baseline: 2.47 ms, +23.4%) ✓ scaling.none.2x: 14.86 ms (baseline: 20.40 ms, -27.2%) ✓ scaling.movingAvg.2x: 1.30 ms (baseline: 3.06 ms, -57.6%) ✓ scaling.rdp.2x: 938.8 µs (baseline: 2.41 ms, -61.1%) ✓ scaling.none.5x: 28.07 ms (baseline: 32.26 ms, -13.0%) ⚠️ scaling.movingAvg.5x: 5.94 ms (baseline: 3.79 ms, +56.9%) ⚠️ scaling.rdp.5x: 3.69 ms (baseline: 2.30 ms, +60.8%) scaling.none.10x: 64.52 ms (baseline: 58.02 ms, +11.2%) ✓ scaling.movingAvg.10x: 5.13 ms (baseline: 7.59 ms, -32.4%) ✓ scaling.rdp.10x: 4.87 ms (baseline: 8.73 ms, -44.3%) scaling.none.20x: 116.08 ms (baseline: 122.16 ms, -5.0%) ✓ scaling.movingAvg.20x: 9.15 ms (baseline: 20.26 ms, -54.8%) ⚠️ scaling.rdp.20x: 14.88 ms (baseline: 8.37 ms, +77.6%) scaling.none.50x: 308.73 ms (baseline: 320.46 ms, -3.7%) ✓ scaling.movingAvg.50x: 42.82 ms (baseline: 63.83 ms, -32.9%) scaling.rdp.50x: 22.99 ms (baseline: 24.74 ms, -7.1%) ⚠️ multiseries.movingAvg.1series: 9.88 ms (baseline: 7.97 ms, +24.0%) ✓ multiseries.rdp.1series: 8.51 ms (baseline: 14.46 ms, -41.2%) ✓ multiseries.movingAvg.2series: 9.07 ms (baseline: 15.26 ms, -40.6%) ⚠️ multiseries.rdp.2series: 17.33 ms (baseline: 9.37 ms, +84.9%) ⚠️ multiseries.movingAvg.3series: 23.59 ms (baseline: 17.54 ms, +34.5%) ⚠️ multiseries.rdp.3series: 28.10 ms (baseline: 17.93 ms, +56.7%) ✓ multiseries.movingAvg.5series: 22.43 ms (baseline: 29.61 ms, -24.3%) ✓ multiseries.rdp.5series: 30.09 ms (baseline: 43.10 ms, -30.2%) 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: 44.39 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: 0.027 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: 0.049 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: 18.69 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: 01:14 min [INFO] Finished at: 2026-06-09T21:40:11Z [INFO] ------------------------------------------------------------------------