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: 2.325 s [INFO] Finished at: 2026-06-07T15:35:06Z [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: 2.146 s [INFO] Finished at: 2026-06-07T15:35:11Z [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: 2026-06-07T13:43:43.551906567Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 15:35:45.793 [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 | 1.86 ms | 4.83 ms | 2.39 ms 1,000 | 5.92 ms | 3.61 ms | 3.40 ms 10,000 | 16.30 ms | 2.63 ms | 5.72 ms 49,871 | 42.12 ms | 7.72 ms | 49.56 ms 97,643 | 70.49 ms | 10.22 ms | 11.65 ms 495,995 | 405.30 ms | 45.15 ms | 21.63 ms 944,282 | 661.63 ms | 178.03 ms | 58.95 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 | 427.7 µs | 3.29 ms | 3.72 ms 10,000 | 3.73 ms | 3.21 ms | 6.95 ms 50,000 | 19.04 ms | 909.4 µs | 19.95 ms 100,000 | 7.13 ms | 1.35 ms | 8.48 ms 500,000 | 39.23 ms | 1.88 ms | 41.10 ms 948,423 | 131.54 ms | 1.51 ms | 133.05 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 | 8.64 ms ( 1.0x) | 1.74 ms ( 0.5x) | 1.18 ms ( 1.5x) 2x | 19,996 | 17.12 ms ( 2.0x) | 1.48 ms ( 0.4x) | 944.7 µs ( 1.2x) 5x | 49,871 | 35.75 ms ( 4.1x) | 3.33 ms ( 1.0x) | 3.00 ms ( 3.9x) 10x | 97,643 | 40.51 ms ( 4.7x) | 9.95 ms ( 3.0x) | 3.51 ms ( 4.5x) 20x | 196,569 | 165.31 ms (19.2x) | 11.21 ms ( 3.4x) | 7.82 ms (10.1x) 50x | 495,995 | 283.50 ms (32.9x) | 27.05 ms ( 8.2x) | 42.63 ms (54.9x) 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 | 193.0 µs | 5 | 197.8 µs 10,000 | 5 | 1.81 ms | 5 | 1.15 ms 97,643 | 5 | 6.56 ms | 5 | 3.55 ms 495,995 | 5 | 29.32 ms | 5 | 70.88 ms 944,282 | 5 | 111.23 ms | 5 | 119.24 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 | 14.06 ms | 4.87 ms 2 | 17.68 ms | 9.35 ms 3 | 12.38 ms | 16.33 ms 5 | 24.96 ms | 43.67 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 1.86 ms (baseline: 2.51 ms, -26.0%) ⚠️ sparkline.movingAvg.100: 4.83 ms (baseline: 3.60 ms, +34.0%) sparkline.rdp.100: 2.39 ms (baseline: 2.19 ms, +9.3%) ✓ sparkline.none.1000: 5.92 ms (baseline: 8.33 ms, -28.9%) ✓ sparkline.movingAvg.1000: 3.61 ms (baseline: 6.01 ms, -39.8%) ✓ sparkline.rdp.1000: 3.40 ms (baseline: 5.65 ms, -39.8%) sparkline.none.10000: 16.30 ms (baseline: 14.96 ms, +8.9%) ✓ sparkline.movingAvg.10000: 2.63 ms (baseline: 4.26 ms, -38.2%) ✓ sparkline.rdp.10000: 5.72 ms (baseline: 9.08 ms, -37.0%) ✓ sparkline.none.50000: 42.12 ms (baseline: 47.98 ms, -12.2%) ⚠️ sparkline.movingAvg.50000: 7.72 ms (baseline: 4.10 ms, +88.3%) ✓ sparkline.rdp.50000: 49.56 ms (baseline: 80.50 ms, -38.4%) sparkline.none.100000: 70.49 ms (baseline: 75.75 ms, -6.9%) ✓ sparkline.movingAvg.100000: 10.22 ms (baseline: 12.50 ms, -18.3%) ✓ sparkline.rdp.100000: 11.65 ms (baseline: 23.36 ms, -50.1%) ⚠️ sparkline.none.500000: 405.30 ms (baseline: 262.47 ms, +54.4%) ✓ sparkline.movingAvg.500000: 45.15 ms (baseline: 113.95 ms, -60.4%) ✓ sparkline.rdp.500000: 21.63 ms (baseline: 26.87 ms, -19.5%) sparkline.none.948423: 661.63 ms (baseline: 629.02 ms, +5.2%) ⚠️ sparkline.movingAvg.948423: 178.03 ms (baseline: 116.50 ms, +52.8%) ✓ sparkline.rdp.948423: 58.95 ms (baseline: 69.60 ms, -15.3%) ✓ windrose.aggregation.1000: 427.7 µs (baseline: 1.89 ms, -77.4%) ⚠️ windrose.draw.1000: 3.29 ms (baseline: 958.4 µs, +243.1%) ⚠️ windrose.aggregation.10000: 3.73 ms (baseline: 1.44 ms, +159.6%) ⚠️ windrose.draw.10000: 3.21 ms (baseline: 1.63 ms, +97.5%) ⚠️ windrose.aggregation.50000: 19.04 ms (baseline: 14.56 ms, +30.8%) ✓ windrose.draw.50000: 909.4 µs (baseline: 2.01 ms, -54.8%) ✓ windrose.aggregation.100000: 7.13 ms (baseline: 11.75 ms, -39.3%) windrose.draw.100000: 1.35 ms (baseline: 1.48 ms, -8.7%) windrose.aggregation.500000: 39.23 ms (baseline: 37.00 ms, +6.0%) windrose.draw.500000: 1.88 ms (baseline: 1.81 ms, +3.7%) ⚠️ windrose.aggregation.948423: 131.54 ms (baseline: 78.42 ms, +67.8%) windrose.draw.948423: 1.51 ms (baseline: 1.34 ms, +12.5%) ⚠️ scaling.none.1x: 8.64 ms (baseline: 4.19 ms, +106.5%) ✓ scaling.movingAvg.1x: 1.74 ms (baseline: 1.99 ms, -12.6%) scaling.rdp.1x: 1.18 ms (baseline: 1.15 ms, +2.3%) ⚠️ scaling.none.2x: 17.12 ms (baseline: 8.82 ms, +94.1%) ✓ scaling.movingAvg.2x: 1.48 ms (baseline: 4.24 ms, -65.2%) ✓ scaling.rdp.2x: 944.7 µs (baseline: 2.51 ms, -62.3%) ⚠️ scaling.none.5x: 35.75 ms (baseline: 23.60 ms, +51.5%) ✓ scaling.movingAvg.5x: 3.33 ms (baseline: 5.32 ms, -37.5%) scaling.rdp.5x: 3.00 ms (baseline: 2.76 ms, +8.8%) ✓ scaling.none.10x: 40.51 ms (baseline: 77.15 ms, -47.5%) scaling.movingAvg.10x: 9.95 ms (baseline: 8.62 ms, +15.4%) ✓ scaling.rdp.10x: 3.51 ms (baseline: 6.60 ms, -46.8%) ⚠️ scaling.none.20x: 165.31 ms (baseline: 105.05 ms, +57.4%) ✓ scaling.movingAvg.20x: 11.21 ms (baseline: 27.86 ms, -59.8%) ✓ scaling.rdp.20x: 7.82 ms (baseline: 9.49 ms, -17.6%) ✓ scaling.none.50x: 283.50 ms (baseline: 339.11 ms, -16.4%) ✓ scaling.movingAvg.50x: 27.05 ms (baseline: 60.61 ms, -55.4%) ⚠️ scaling.rdp.50x: 42.63 ms (baseline: 26.38 ms, +61.6%) multiseries.movingAvg.1series: 14.06 ms (baseline: 12.09 ms, +16.3%) ✓ multiseries.rdp.1series: 4.87 ms (baseline: 5.56 ms, -12.3%) multiseries.movingAvg.2series: 17.68 ms (baseline: 16.27 ms, +8.7%) multiseries.rdp.2series: 9.35 ms (baseline: 8.99 ms, +4.0%) ✓ multiseries.movingAvg.3series: 12.38 ms (baseline: 19.72 ms, -37.2%) ✓ multiseries.rdp.3series: 16.33 ms (baseline: 29.57 ms, -44.8%) multiseries.movingAvg.5series: 24.96 ms (baseline: 26.66 ms, -6.4%) ⚠️ multiseries.rdp.5series: 43.67 ms (baseline: 36.36 ms, +20.1%) 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: 43.21 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: 0.037 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: 20.45 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: 2026-06-07T15:36:34Z [INFO] ------------------------------------------------------------------------