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: 2.545 s [INFO] Finished at: 2026-06-09T19:50:21Z [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: 1.949 s [INFO] Finished at: 2026-06-09T19:50:25Z [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: 2026-06-09T18:47:11.367690505Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 19:50:59.795 [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 | 2.64 ms | 2.36 ms | 3.06 ms 1,000 | 5.33 ms | 4.56 ms | 6.90 ms 10,000 | 26.78 ms | 1.84 ms | 7.31 ms 49,871 | 53.24 ms | 4.30 ms | 28.93 ms 97,643 | 96.55 ms | 13.95 ms | 54.31 ms 495,995 | 374.20 ms | 47.39 ms | 19.65 ms 944,282 | 584.10 ms | 135.94 ms | 58.93 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 | 458.8 µs | 1.85 ms | 2.30 ms 10,000 | 3.78 ms | 1.47 ms | 5.24 ms 50,000 | 12.63 ms | 1.04 ms | 13.67 ms 100,000 | 11.37 ms | 4.56 ms | 15.93 ms 500,000 | 58.99 ms | 2.68 ms | 61.67 ms 948,423 | 88.73 ms | 1.99 ms | 90.72 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 | 14.77 ms ( 0.7x) | 1.45 ms ( 0.7x) | 2.47 ms ( 1.3x) 2x | 19,996 | 20.40 ms ( 0.9x) | 3.06 ms ( 1.4x) | 2.41 ms ( 1.3x) 5x | 49,871 | 32.26 ms ( 1.5x) | 3.79 ms ( 1.7x) | 2.30 ms ( 1.2x) 10x | 97,643 | 58.02 ms ( 2.7x) | 7.59 ms ( 3.5x) | 8.73 ms ( 4.6x) 20x | 196,569 | 122.16 ms ( 5.6x) | 20.26 ms ( 9.3x) | 8.37 ms ( 4.5x) 50x | 495,995 | 320.46 ms (14.7x) | 63.83 ms (29.3x) | 24.74 ms (13.2x) 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 | 203.2 µs | 5 | 224.5 µs 10,000 | 5 | 1.18 ms | 5 | 1.72 ms 97,643 | 5 | 10.84 ms | 5 | 4.45 ms 495,995 | 5 | 49.87 ms | 5 | 28.54 ms 944,282 | 5 | 128.54 ms | 5 | 83.38 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 | 7.97 ms | 14.46 ms 2 | 15.26 ms | 9.37 ms 3 | 17.54 ms | 17.93 ms 5 | 29.61 ms | 43.10 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.64 ms (baseline: 3.18 ms, -17.0%) ✓ sparkline.movingAvg.100: 2.36 ms (baseline: 3.11 ms, -24.2%) ⚠️ sparkline.rdp.100: 3.06 ms (baseline: 2.30 ms, +32.8%) sparkline.none.1000: 5.33 ms (baseline: 5.91 ms, -9.8%) ⚠️ sparkline.movingAvg.1000: 4.56 ms (baseline: 3.53 ms, +29.0%) ⚠️ sparkline.rdp.1000: 6.90 ms (baseline: 4.88 ms, +41.4%) ⚠️ sparkline.none.10000: 26.78 ms (baseline: 17.66 ms, +51.6%) ✓ sparkline.movingAvg.10000: 1.84 ms (baseline: 5.67 ms, -67.6%) ✓ sparkline.rdp.10000: 7.31 ms (baseline: 21.40 ms, -65.8%) ⚠️ sparkline.none.50000: 53.24 ms (baseline: 40.66 ms, +30.9%) sparkline.movingAvg.50000: 4.30 ms (baseline: 3.83 ms, +12.2%) ✓ sparkline.rdp.50000: 28.93 ms (baseline: 54.93 ms, -47.3%) sparkline.none.100000: 96.55 ms (baseline: 90.11 ms, +7.1%) ⚠️ sparkline.movingAvg.100000: 13.95 ms (baseline: 8.65 ms, +61.3%) ⚠️ sparkline.rdp.100000: 54.31 ms (baseline: 12.64 ms, +329.7%) ✓ sparkline.none.500000: 374.20 ms (baseline: 419.21 ms, -10.7%) ⚠️ sparkline.movingAvg.500000: 47.39 ms (baseline: 32.21 ms, +47.1%) ✓ sparkline.rdp.500000: 19.65 ms (baseline: 31.69 ms, -38.0%) sparkline.none.948423: 584.10 ms (baseline: 622.91 ms, -6.2%) ⚠️ sparkline.movingAvg.948423: 135.94 ms (baseline: 109.82 ms, +23.8%) ✓ sparkline.rdp.948423: 58.93 ms (baseline: 88.76 ms, -33.6%) windrose.aggregation.1000: 458.8 µs (baseline: 423.0 µs, +8.5%) ✓ windrose.draw.1000: 1.85 ms (baseline: 2.68 ms, -31.1%) ⚠️ windrose.aggregation.10000: 3.78 ms (baseline: 2.43 ms, +55.4%) windrose.draw.10000: 1.47 ms (baseline: 1.40 ms, +4.7%) ⚠️ windrose.aggregation.50000: 12.63 ms (baseline: 10.06 ms, +25.5%) ⚠️ windrose.draw.50000: 1.04 ms (baseline: 736.9 µs, +41.2%) ⚠️ windrose.aggregation.100000: 11.37 ms (baseline: 6.17 ms, +84.4%) ⚠️ windrose.draw.100000: 4.56 ms (baseline: 917.7 µs, +397.2%) ⚠️ windrose.aggregation.500000: 58.99 ms (baseline: 19.78 ms, +198.2%) ⚠️ windrose.draw.500000: 2.68 ms (baseline: 663.2 µs, +303.6%) ⚠️ windrose.aggregation.948423: 88.73 ms (baseline: 36.95 ms, +140.1%) ⚠️ windrose.draw.948423: 1.99 ms (baseline: 922.2 µs, +115.6%) ⚠️ scaling.none.1x: 14.77 ms (baseline: 8.99 ms, +64.4%) ✓ scaling.movingAvg.1x: 1.45 ms (baseline: 1.79 ms, -18.8%) ⚠️ scaling.rdp.1x: 2.47 ms (baseline: 1.43 ms, +72.9%) ✓ scaling.none.2x: 20.40 ms (baseline: 23.06 ms, -11.5%) ⚠️ scaling.movingAvg.2x: 3.06 ms (baseline: 1.68 ms, +82.3%) ⚠️ scaling.rdp.2x: 2.41 ms (baseline: 1.87 ms, +28.7%) ✓ scaling.none.5x: 32.26 ms (baseline: 65.35 ms, -50.6%) ✓ scaling.movingAvg.5x: 3.79 ms (baseline: 8.15 ms, -53.5%) ⚠️ scaling.rdp.5x: 2.30 ms (baseline: 1.79 ms, +28.4%) ✓ scaling.none.10x: 58.02 ms (baseline: 69.63 ms, -16.7%) ⚠️ scaling.movingAvg.10x: 7.59 ms (baseline: 4.21 ms, +80.3%) ⚠️ scaling.rdp.10x: 8.73 ms (baseline: 6.84 ms, +27.6%) ✓ scaling.none.20x: 122.16 ms (baseline: 195.28 ms, -37.4%) scaling.movingAvg.20x: 20.26 ms (baseline: 16.90 ms, +19.9%) ✓ scaling.rdp.20x: 8.37 ms (baseline: 9.81 ms, -14.6%) scaling.none.50x: 320.46 ms (baseline: 322.05 ms, -0.5%) scaling.movingAvg.50x: 63.83 ms (baseline: 59.02 ms, +8.1%) scaling.rdp.50x: 24.74 ms (baseline: 21.38 ms, +15.7%) ⚠️ multiseries.movingAvg.1series: 7.97 ms (baseline: 6.31 ms, +26.4%) ⚠️ multiseries.rdp.1series: 14.46 ms (baseline: 7.30 ms, +98.0%) multiseries.movingAvg.2series: 15.26 ms (baseline: 16.71 ms, -8.6%) ✓ multiseries.rdp.2series: 9.37 ms (baseline: 22.72 ms, -58.7%) multiseries.movingAvg.3series: 17.54 ms (baseline: 16.36 ms, +7.2%) ✓ multiseries.rdp.3series: 17.93 ms (baseline: 20.22 ms, -11.3%) ✓ multiseries.movingAvg.5series: 29.61 ms (baseline: 33.12 ms, -10.6%) ✓ multiseries.rdp.5series: 43.10 ms (baseline: 70.58 ms, -38.9%) 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: 44.11 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: 0.069 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: 20.20 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: 01:15 min [INFO] Finished at: 2026-06-09T19:51:49Z [INFO] ------------------------------------------------------------------------