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=25.0-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: 2.650 s [INFO] Finished at: 2026-04-26T00:24:25Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.0-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 -> 25.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.202 s [INFO] Finished at: 2026-04-26T00:24:30Z [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 6.8.0-110-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-04-25T22:22:02.917297528Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:24:57.523 [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 | 3.32 ms | 2.40 ms | 7.75 ms 1,000 | 6.84 ms | 2.31 ms | 2.59 ms 10,000 | 18.55 ms | 2.06 ms | 3.80 ms 49,871 | 37.32 ms | 5.70 ms | 33.29 ms 97,643 | 62.06 ms | 5.87 ms | 5.04 ms 495,995 | 322.34 ms | 36.53 ms | 39.08 ms 944,282 | 545.68 ms | 129.08 ms | 62.91 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 | 1.74 ms | 1.36 ms | 3.10 ms 10,000 | 3.12 ms | 727.5 µs | 3.85 ms 50,000 | 14.68 ms | 1.18 ms | 15.87 ms 100,000 | 7.77 ms | 1.24 ms | 9.01 ms 500,000 | 23.31 ms | 1.19 ms | 24.50 ms 948,423 | 111.83 ms | 1.42 ms | 113.25 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 | 4.81 ms ( 0.8x) | 674.6 µs ( 0.5x) | 766.4 µs ( 1.0x) 2x | 19,996 | 11.82 ms ( 2.0x) | 1.36 ms ( 1.1x) | 796.2 µs ( 1.0x) 5x | 49,871 | 32.48 ms ( 5.5x) | 3.69 ms ( 2.9x) | 5.36 ms ( 6.8x) 10x | 97,643 | 52.86 ms ( 8.9x) | 4.60 ms ( 3.7x) | 3.22 ms ( 4.1x) 20x | 196,569 | 130.50 ms (22.0x) | 15.46 ms (12.3x) | 12.91 ms (16.3x) 50x | 495,995 | 281.37 ms (47.5x) | 35.95 ms (28.5x) | 20.80 ms (26.2x) 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 | 137.1 µs | 5 | 174.9 µs 10,000 | 5 | 568.5 µs | 5 | 407.4 µs 97,643 | 5 | 4.47 ms | 5 | 3.87 ms 495,995 | 5 | 25.07 ms | 5 | 29.65 ms 944,282 | 5 | 83.60 ms | 5 | 36.32 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 | 5.39 ms | 3.42 ms 2 | 10.25 ms | 9.21 ms 3 | 14.43 ms | 13.89 ms 5 | 25.36 ms | 23.81 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.32 ms (baseline: 2.12 ms, +56.4%) sparkline.movingAvg.100: 2.40 ms (baseline: 2.37 ms, +1.4%) ⚠️ sparkline.rdp.100: 7.75 ms (baseline: 2.20 ms, +251.5%) ⚠️ sparkline.none.1000: 6.84 ms (baseline: 3.65 ms, +87.5%) ⚠️ sparkline.movingAvg.1000: 2.31 ms (baseline: 1.91 ms, +21.3%) ⚠️ sparkline.rdp.1000: 2.59 ms (baseline: 1.94 ms, +33.9%) ⚠️ sparkline.none.10000: 18.55 ms (baseline: 13.60 ms, +36.4%) sparkline.movingAvg.10000: 2.06 ms (baseline: 1.72 ms, +19.8%) ✓ sparkline.rdp.10000: 3.80 ms (baseline: 6.12 ms, -37.9%) ⚠️ sparkline.none.50000: 37.32 ms (baseline: 24.30 ms, +53.5%) ⚠️ sparkline.movingAvg.50000: 5.70 ms (baseline: 2.91 ms, +95.9%) ✓ sparkline.rdp.50000: 33.29 ms (baseline: 47.09 ms, -29.3%) ⚠️ sparkline.none.100000: 62.06 ms (baseline: 48.79 ms, +27.2%) sparkline.movingAvg.100000: 5.87 ms (baseline: 5.87 ms, +0.0%) ⚠️ sparkline.rdp.100000: 5.04 ms (baseline: 3.38 ms, +49.2%) ⚠️ sparkline.none.500000: 322.34 ms (baseline: 241.28 ms, +33.6%) sparkline.movingAvg.500000: 36.53 ms (baseline: 31.21 ms, +17.0%) ⚠️ sparkline.rdp.500000: 39.08 ms (baseline: 19.55 ms, +99.9%) ⚠️ sparkline.none.948423: 545.68 ms (baseline: 436.93 ms, +24.9%) ⚠️ sparkline.movingAvg.948423: 129.08 ms (baseline: 93.07 ms, +38.7%) ⚠️ sparkline.rdp.948423: 62.91 ms (baseline: 43.31 ms, +45.3%) ⚠️ windrose.aggregation.1000: 1.74 ms (baseline: 452.7 µs, +285.0%) ⚠️ windrose.draw.1000: 1.36 ms (baseline: 1.05 ms, +30.1%) ⚠️ windrose.aggregation.10000: 3.12 ms (baseline: 1.48 ms, +110.9%) ✓ windrose.draw.10000: 727.5 µs (baseline: 1.87 ms, -61.1%) ⚠️ windrose.aggregation.50000: 14.68 ms (baseline: 9.99 ms, +47.0%) ⚠️ windrose.draw.50000: 1.18 ms (baseline: 742.9 µs, +59.5%) ⚠️ windrose.aggregation.100000: 7.77 ms (baseline: 4.75 ms, +63.4%) windrose.draw.100000: 1.24 ms (baseline: 1.09 ms, +13.5%) windrose.aggregation.500000: 23.31 ms (baseline: 23.94 ms, -2.6%) ⚠️ windrose.draw.500000: 1.19 ms (baseline: 625.9 µs, +89.7%) ⚠️ windrose.aggregation.948423: 111.83 ms (baseline: 35.98 ms, +210.8%) ⚠️ windrose.draw.948423: 1.42 ms (baseline: 837.6 µs, +70.1%) scaling.none.1x: 4.81 ms (baseline: 4.28 ms, +12.3%) scaling.movingAvg.1x: 674.6 µs (baseline: 727.1 µs, -7.2%) ⚠️ scaling.rdp.1x: 766.4 µs (baseline: 529.5 µs, +44.7%) scaling.none.2x: 11.82 ms (baseline: 10.98 ms, +7.6%) ✓ scaling.movingAvg.2x: 1.36 ms (baseline: 1.87 ms, -27.5%) scaling.rdp.2x: 796.2 µs (baseline: 844.6 µs, -5.7%) ⚠️ scaling.none.5x: 32.48 ms (baseline: 20.38 ms, +59.3%) scaling.movingAvg.5x: 3.69 ms (baseline: 3.54 ms, +4.2%) ⚠️ scaling.rdp.5x: 5.36 ms (baseline: 1.75 ms, +205.4%) scaling.none.10x: 52.86 ms (baseline: 44.25 ms, +19.5%) ✓ scaling.movingAvg.10x: 4.60 ms (baseline: 5.51 ms, -16.5%) scaling.rdp.10x: 3.22 ms (baseline: 3.17 ms, +1.5%) ⚠️ scaling.none.20x: 130.50 ms (baseline: 86.96 ms, +50.1%) ⚠️ scaling.movingAvg.20x: 15.46 ms (baseline: 10.35 ms, +49.4%) ⚠️ scaling.rdp.20x: 12.91 ms (baseline: 7.35 ms, +75.6%) ⚠️ scaling.none.50x: 281.37 ms (baseline: 209.46 ms, +34.3%) scaling.movingAvg.50x: 35.95 ms (baseline: 32.41 ms, +10.9%) scaling.rdp.50x: 20.80 ms (baseline: 17.95 ms, +15.9%) multiseries.movingAvg.1series: 5.39 ms (baseline: 5.29 ms, +2.0%) multiseries.rdp.1series: 3.42 ms (baseline: 3.44 ms, -0.3%) ✓ multiseries.movingAvg.2series: 10.25 ms (baseline: 13.02 ms, -21.3%) ✓ multiseries.rdp.2series: 9.21 ms (baseline: 13.38 ms, -31.1%) multiseries.movingAvg.3series: 14.43 ms (baseline: 14.50 ms, -0.5%) ✓ multiseries.rdp.3series: 13.89 ms (baseline: 16.44 ms, -15.5%) multiseries.movingAvg.5series: 25.36 ms (baseline: 25.57 ms, -0.8%) multiseries.rdp.5series: 23.81 ms (baseline: 25.15 ms, -5.3%) 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: 37.55 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: 0.014 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: 0.017 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: 13.77 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: 01:01 min [INFO] Finished at: 2026-04-26T00:25:34Z [INFO] ------------------------------------------------------------------------