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: 2.378 s [INFO] Finished at: 2026-06-10T22:45:56Z [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: 2.431 s [INFO] Finished at: 2026-06-10T22:46:00Z [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: 2026-06-10T21:46:13.020654908Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 22:46:35.084 [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 | 3.45 ms | 3.63 ms | 4.48 ms 1,000 | 6.69 ms | 3.29 ms | 2.25 ms 10,000 | 11.90 ms | 6.02 ms | 13.61 ms 49,871 | 39.25 ms | 7.06 ms | 46.66 ms 97,643 | 79.06 ms | 11.78 ms | 16.35 ms 495,995 | 327.66 ms | 45.81 ms | 32.65 ms 944,282 | 690.68 ms | 145.78 ms | 66.43 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 | 396.7 µs | 1.86 ms | 2.25 ms 10,000 | 2.54 ms | 1.31 ms | 3.84 ms 50,000 | 27.22 ms | 2.33 ms | 29.55 ms 100,000 | 11.92 ms | 4.03 ms | 15.95 ms 500,000 | 55.22 ms | 620.1 µs | 55.84 ms 948,423 | 38.78 ms | 1.10 ms | 39.88 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 | 12.97 ms ( 0.7x) | 2.79 ms ( 3.4x) | 2.76 ms ( 1.2x) 2x | 19,996 | 23.04 ms ( 1.3x) | 4.73 ms ( 5.8x) | 2.22 ms ( 1.0x) 5x | 49,871 | 22.25 ms ( 1.2x) | 2.75 ms ( 3.4x) | 2.89 ms ( 1.3x) 10x | 97,643 | 96.99 ms ( 5.4x) | 9.46 ms (11.7x) | 8.13 ms ( 3.6x) 20x | 196,569 | 129.70 ms ( 7.2x) | 10.85 ms (13.4x) | 11.89 ms ( 5.3x) 50x | 495,995 | 266.16 ms (14.8x) | 43.58 ms (53.8x) | 35.14 ms (15.7x) 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 | 879.7 µs | 5 | 191.1 µs 10,000 | 5 | 577.5 µs | 5 | 498.0 µs 97,643 | 5 | 6.18 ms | 5 | 7.05 ms 495,995 | 5 | 50.89 ms | 5 | 27.73 ms 944,282 | 5 | 120.33 ms | 5 | 73.21 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 | 5.10 ms | 4.25 ms 2 | 9.41 ms | 18.19 ms 3 | 19.77 ms | 17.04 ms 5 | 29.72 ms | 32.83 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.45 ms (baseline: 2.03 ms, +70.2%) sparkline.movingAvg.100: 3.63 ms (baseline: 3.69 ms, -1.6%) ⚠️ sparkline.rdp.100: 4.48 ms (baseline: 1.31 ms, +242.6%) ⚠️ sparkline.none.1000: 6.69 ms (baseline: 4.84 ms, +38.2%) ⚠️ sparkline.movingAvg.1000: 3.29 ms (baseline: 2.60 ms, +26.5%) ✓ sparkline.rdp.1000: 2.25 ms (baseline: 3.79 ms, -40.7%) ✓ sparkline.none.10000: 11.90 ms (baseline: 31.87 ms, -62.7%) ⚠️ sparkline.movingAvg.10000: 6.02 ms (baseline: 3.16 ms, +90.3%) ⚠️ sparkline.rdp.10000: 13.61 ms (baseline: 7.62 ms, +78.5%) ✓ sparkline.none.50000: 39.25 ms (baseline: 49.46 ms, -20.6%) ⚠️ sparkline.movingAvg.50000: 7.06 ms (baseline: 5.35 ms, +32.0%) sparkline.rdp.50000: 46.66 ms (baseline: 40.43 ms, +15.4%) ⚠️ sparkline.none.100000: 79.06 ms (baseline: 64.94 ms, +21.7%) ✓ sparkline.movingAvg.100000: 11.78 ms (baseline: 16.47 ms, -28.5%) ⚠️ sparkline.rdp.100000: 16.35 ms (baseline: 11.03 ms, +48.2%) sparkline.none.500000: 327.66 ms (baseline: 353.63 ms, -7.3%) sparkline.movingAvg.500000: 45.81 ms (baseline: 42.64 ms, +7.4%) ✓ sparkline.rdp.500000: 32.65 ms (baseline: 50.46 ms, -35.3%) sparkline.none.948423: 690.68 ms (baseline: 657.13 ms, +5.1%) ⚠️ sparkline.movingAvg.948423: 145.78 ms (baseline: 114.91 ms, +26.9%) sparkline.rdp.948423: 66.43 ms (baseline: 55.63 ms, +19.4%) ✓ windrose.aggregation.1000: 396.7 µs (baseline: 853.2 µs, -53.5%) ⚠️ windrose.draw.1000: 1.86 ms (baseline: 817.1 µs, +127.3%) ⚠️ windrose.aggregation.10000: 2.54 ms (baseline: 1.63 ms, +55.9%) ✓ windrose.draw.10000: 1.31 ms (baseline: 2.66 ms, -50.8%) ⚠️ windrose.aggregation.50000: 27.22 ms (baseline: 20.96 ms, +29.9%) ⚠️ windrose.draw.50000: 2.33 ms (baseline: 1.65 ms, +41.3%) ✓ windrose.aggregation.100000: 11.92 ms (baseline: 14.07 ms, -15.3%) ⚠️ windrose.draw.100000: 4.03 ms (baseline: 1.72 ms, +134.0%) ⚠️ windrose.aggregation.500000: 55.22 ms (baseline: 39.44 ms, +40.0%) windrose.draw.500000: 620.1 µs (baseline: 617.6 µs, +0.4%) ✓ windrose.aggregation.948423: 38.78 ms (baseline: 77.85 ms, -50.2%) ⚠️ windrose.draw.948423: 1.10 ms (baseline: 596.1 µs, +84.1%) ⚠️ scaling.none.1x: 12.97 ms (baseline: 10.20 ms, +27.1%) ⚠️ scaling.movingAvg.1x: 2.79 ms (baseline: 817.7 µs, +241.1%) ⚠️ scaling.rdp.1x: 2.76 ms (baseline: 723.1 µs, +281.8%) ⚠️ scaling.none.2x: 23.04 ms (baseline: 10.98 ms, +109.8%) ⚠️ scaling.movingAvg.2x: 4.73 ms (baseline: 2.17 ms, +118.1%) scaling.rdp.2x: 2.22 ms (baseline: 2.03 ms, +9.5%) scaling.none.5x: 22.25 ms (baseline: 23.85 ms, -6.7%) ✓ scaling.movingAvg.5x: 2.75 ms (baseline: 8.13 ms, -66.2%) ⚠️ scaling.rdp.5x: 2.89 ms (baseline: 2.02 ms, +43.2%) ⚠️ scaling.none.10x: 96.99 ms (baseline: 59.93 ms, +61.8%) ⚠️ scaling.movingAvg.10x: 9.46 ms (baseline: 5.94 ms, +59.2%) ⚠️ scaling.rdp.10x: 8.13 ms (baseline: 3.77 ms, +115.9%) scaling.none.20x: 129.70 ms (baseline: 141.47 ms, -8.3%) scaling.movingAvg.20x: 10.85 ms (baseline: 11.37 ms, -4.5%) ✓ scaling.rdp.20x: 11.89 ms (baseline: 22.25 ms, -46.5%) scaling.none.50x: 266.16 ms (baseline: 291.05 ms, -8.6%) ✓ scaling.movingAvg.50x: 43.58 ms (baseline: 53.25 ms, -18.2%) ⚠️ scaling.rdp.50x: 35.14 ms (baseline: 21.26 ms, +65.3%) ✓ multiseries.movingAvg.1series: 5.10 ms (baseline: 6.32 ms, -19.3%) ✓ multiseries.rdp.1series: 4.25 ms (baseline: 9.86 ms, -56.8%) ✓ multiseries.movingAvg.2series: 9.41 ms (baseline: 13.24 ms, -29.0%) ⚠️ multiseries.rdp.2series: 18.19 ms (baseline: 9.61 ms, +89.3%) multiseries.movingAvg.3series: 19.77 ms (baseline: 19.15 ms, +3.3%) ✓ multiseries.rdp.3series: 17.04 ms (baseline: 24.46 ms, -30.4%) ✓ multiseries.movingAvg.5series: 29.72 ms (baseline: 40.46 ms, -26.5%) multiseries.rdp.5series: 32.83 ms (baseline: 29.91 ms, +9.8%) 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: 43.67 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: 0.029 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: 19.17 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: 2026-06-10T22:47:23Z [INFO] ------------------------------------------------------------------------