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: 2.674 s [INFO] Finished at: 2026-06-11T13:17:08Z [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: 2.362 s [INFO] Finished at: 2026-06-11T13:17:14Z [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: 2026-06-11T11:44:22.927900064Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 13:17:49.530 [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 | 3.86 ms | 3.66 ms | 5.58 ms 1,000 | 2.76 ms | 1.33 ms | 2.60 ms 10,000 | 31.43 ms | 6.08 ms | 7.10 ms 49,871 | 47.57 ms | 5.60 ms | 54.83 ms 97,643 | 125.06 ms | 7.91 ms | 5.33 ms 495,995 | 402.22 ms | 37.19 ms | 23.87 ms 944,282 | 697.44 ms | 106.15 ms | 280.42 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 | 418.5 µs | 2.23 ms | 2.65 ms 10,000 | 3.55 ms | 825.2 µs | 4.37 ms 50,000 | 9.57 ms | 2.11 ms | 11.68 ms 100,000 | 20.42 ms | 1.44 ms | 21.87 ms 500,000 | 20.68 ms | 1.46 ms | 22.14 ms 948,423 | 93.84 ms | 753.8 µs | 94.59 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 | 19.71 ms ( 1.1x) | 2.29 ms ( 0.9x) | 1.31 ms ( 0.5x) 2x | 19,996 | 20.05 ms ( 1.2x) | 3.65 ms ( 1.5x) | 3.04 ms ( 1.2x) 5x | 49,871 | 35.18 ms ( 2.0x) | 3.38 ms ( 1.4x) | 2.21 ms ( 0.9x) 10x | 97,643 | 51.15 ms ( 2.9x) | 6.83 ms ( 2.8x) | 5.25 ms ( 2.1x) 20x | 196,569 | 130.54 ms ( 7.5x) | 22.26 ms ( 9.1x) | 12.83 ms ( 5.1x) 50x | 495,995 | 277.33 ms (15.9x) | 50.18 ms (20.6x) | 53.34 ms (21.1x) 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 | 148.0 µs | 5 | 208.5 µs 10,000 | 5 | 773.9 µs | 5 | 441.6 µs 97,643 | 5 | 7.73 ms | 5 | 3.57 ms 495,995 | 5 | 65.67 ms | 5 | 52.41 ms 944,282 | 5 | 138.87 ms | 5 | 88.54 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 | 7.20 ms | 6.33 ms 2 | 31.31 ms | 28.78 ms 3 | 15.50 ms | 20.53 ms 5 | 43.26 ms | 24.68 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.86 ms (baseline: 2.44 ms, +57.9%) sparkline.movingAvg.100: 3.66 ms (baseline: 3.92 ms, -6.6%) ⚠️ sparkline.rdp.100: 5.58 ms (baseline: 1.85 ms, +200.8%) ✓ sparkline.none.1000: 2.76 ms (baseline: 6.19 ms, -55.3%) ✓ sparkline.movingAvg.1000: 1.33 ms (baseline: 2.86 ms, -53.4%) ✓ sparkline.rdp.1000: 2.60 ms (baseline: 4.00 ms, -35.0%) sparkline.none.10000: 31.43 ms (baseline: 26.36 ms, +19.2%) ⚠️ sparkline.movingAvg.10000: 6.08 ms (baseline: 1.52 ms, +301.1%) ⚠️ sparkline.rdp.10000: 7.10 ms (baseline: 5.26 ms, +35.0%) ⚠️ sparkline.none.50000: 47.57 ms (baseline: 38.04 ms, +25.1%) sparkline.movingAvg.50000: 5.60 ms (baseline: 5.67 ms, -1.2%) ⚠️ sparkline.rdp.50000: 54.83 ms (baseline: 41.87 ms, +31.0%) ⚠️ sparkline.none.100000: 125.06 ms (baseline: 89.09 ms, +40.4%) ✓ sparkline.movingAvg.100000: 7.91 ms (baseline: 12.42 ms, -36.3%) ✓ sparkline.rdp.100000: 5.33 ms (baseline: 9.26 ms, -42.4%) sparkline.none.500000: 402.22 ms (baseline: 338.94 ms, +18.7%) ✓ sparkline.movingAvg.500000: 37.19 ms (baseline: 42.30 ms, -12.1%) ✓ sparkline.rdp.500000: 23.87 ms (baseline: 28.50 ms, -16.2%) sparkline.none.948423: 697.44 ms (baseline: 650.19 ms, +7.3%) ✓ sparkline.movingAvg.948423: 106.15 ms (baseline: 120.99 ms, -12.3%) ⚠️ sparkline.rdp.948423: 280.42 ms (baseline: 83.84 ms, +234.5%) ✓ windrose.aggregation.1000: 418.5 µs (baseline: 876.8 µs, -52.3%) ✓ windrose.draw.1000: 2.23 ms (baseline: 2.80 ms, -20.2%) ⚠️ windrose.aggregation.10000: 3.55 ms (baseline: 1.47 ms, +140.7%) ✓ windrose.draw.10000: 825.2 µs (baseline: 1.97 ms, -58.1%) ✓ windrose.aggregation.50000: 9.57 ms (baseline: 17.58 ms, -45.6%) windrose.draw.50000: 2.11 ms (baseline: 1.97 ms, +7.0%) ⚠️ windrose.aggregation.100000: 20.42 ms (baseline: 12.20 ms, +67.4%) ⚠️ windrose.draw.100000: 1.44 ms (baseline: 601.0 µs, +140.1%) windrose.aggregation.500000: 20.68 ms (baseline: 19.25 ms, +7.5%) ⚠️ windrose.draw.500000: 1.46 ms (baseline: 591.6 µs, +146.2%) ⚠️ windrose.aggregation.948423: 93.84 ms (baseline: 42.92 ms, +118.6%) ✓ windrose.draw.948423: 753.8 µs (baseline: 11.21 ms, -93.3%) ⚠️ scaling.none.1x: 19.71 ms (baseline: 13.10 ms, +50.4%) ⚠️ scaling.movingAvg.1x: 2.29 ms (baseline: 1.34 ms, +70.6%) ⚠️ scaling.rdp.1x: 1.31 ms (baseline: 981.4 µs, +33.8%) ⚠️ scaling.none.2x: 20.05 ms (baseline: 13.92 ms, +44.1%) ⚠️ scaling.movingAvg.2x: 3.65 ms (baseline: 1.39 ms, +162.2%) ⚠️ scaling.rdp.2x: 3.04 ms (baseline: 840.0 µs, +261.6%) ✓ scaling.none.5x: 35.18 ms (baseline: 42.51 ms, -17.3%) ✓ scaling.movingAvg.5x: 3.38 ms (baseline: 7.79 ms, -56.6%) ✓ scaling.rdp.5x: 2.21 ms (baseline: 7.00 ms, -68.5%) scaling.none.10x: 51.15 ms (baseline: 43.22 ms, +18.3%) scaling.movingAvg.10x: 6.83 ms (baseline: 5.89 ms, +15.9%) ⚠️ scaling.rdp.10x: 5.25 ms (baseline: 3.82 ms, +37.2%) scaling.none.20x: 130.54 ms (baseline: 124.18 ms, +5.1%) ⚠️ scaling.movingAvg.20x: 22.26 ms (baseline: 9.39 ms, +137.1%) ⚠️ scaling.rdp.20x: 12.83 ms (baseline: 7.44 ms, +72.4%) ✓ scaling.none.50x: 277.33 ms (baseline: 325.56 ms, -14.8%) ⚠️ scaling.movingAvg.50x: 50.18 ms (baseline: 41.51 ms, +20.9%) ✓ scaling.rdp.50x: 53.34 ms (baseline: 77.43 ms, -31.1%) ✓ multiseries.movingAvg.1series: 7.20 ms (baseline: 13.94 ms, -48.4%) ✓ multiseries.rdp.1series: 6.33 ms (baseline: 12.81 ms, -50.6%) ⚠️ multiseries.movingAvg.2series: 31.31 ms (baseline: 16.50 ms, +89.7%) ⚠️ multiseries.rdp.2series: 28.78 ms (baseline: 12.21 ms, +135.8%) multiseries.movingAvg.3series: 15.50 ms (baseline: 17.21 ms, -10.0%) ✓ multiseries.rdp.3series: 20.53 ms (baseline: 22.93 ms, -10.5%) ⚠️ multiseries.movingAvg.5series: 43.26 ms (baseline: 29.87 ms, +44.8%) ✓ multiseries.rdp.5series: 24.68 ms (baseline: 39.92 ms, -38.2%) 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: 44.80 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: 0.019 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: 0.030 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: 20.59 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: 01:17 min [INFO] Finished at: 2026-06-11T13:18:39Z [INFO] ------------------------------------------------------------------------