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: 2.551 s [INFO] Finished at: 2026-04-25T18:16:21Z [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: 1.737 s [INFO] Finished at: 2026-04-25T18:16:26Z [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: 2026-04-25T16:25:03.973560458Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 18:16:52.000 [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 | 3.44 ms | 4.96 ms | 5.23 ms 1,000 | 8.00 ms | 3.08 ms | 4.83 ms 10,000 | 27.98 ms | 2.66 ms | 8.15 ms 49,871 | 35.36 ms | 7.96 ms | 67.83 ms 97,643 | 57.01 ms | 18.81 ms | 45.58 ms 495,995 | 366.05 ms | 43.75 ms | 23.89 ms 944,282 | 666.58 ms | 118.48 ms | 80.51 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 | 429.6 µs | 1.88 ms | 2.31 ms 10,000 | 3.54 ms | 2.04 ms | 5.58 ms 50,000 | 12.51 ms | 1.01 ms | 13.52 ms 100,000 | 8.33 ms | 909.6 µs | 9.24 ms 500,000 | 29.12 ms | 705.0 µs | 29.82 ms 948,423 | 66.02 ms | 618.5 µs | 66.63 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 | 11.04 ms ( 0.9x) | 1.79 ms ( 0.3x) | 553.4 µs ( 0.1x) 2x | 19,996 | 14.52 ms ( 1.2x) | 2.90 ms ( 0.6x) | 1.82 ms ( 0.3x) 5x | 49,871 | 46.47 ms ( 3.8x) | 7.79 ms ( 1.5x) | 4.39 ms ( 0.7x) 10x | 97,643 | 42.79 ms ( 3.5x) | 5.04 ms ( 1.0x) | 6.67 ms ( 1.0x) 20x | 196,569 | 126.17 ms (10.2x) | 9.08 ms ( 1.7x) | 7.81 ms ( 1.2x) 50x | 495,995 | 274.98 ms (22.2x) | 46.44 ms ( 8.9x) | 48.24 ms ( 7.2x) 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 | 142.0 µs | 5 | 193.1 µs 10,000 | 5 | 982.7 µs | 5 | 464.7 µs 97,643 | 5 | 5.34 ms | 5 | 3.26 ms 495,995 | 5 | 32.79 ms | 5 | 25.43 ms 944,282 | 5 | 85.34 ms | 5 | 79.34 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 | 5.03 ms | 3.26 ms 2 | 10.70 ms | 10.58 ms 3 | 17.23 ms | 18.79 ms 5 | 39.70 ms | 38.04 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 3.44 ms (baseline: 2.52 ms, +36.9%) ⚠️ sparkline.movingAvg.100: 4.96 ms (baseline: 2.94 ms, +68.4%) ⚠️ sparkline.rdp.100: 5.23 ms (baseline: 3.68 ms, +42.1%) ⚠️ sparkline.none.1000: 8.00 ms (baseline: 4.53 ms, +76.6%) sparkline.movingAvg.1000: 3.08 ms (baseline: 2.79 ms, +10.6%) ⚠️ sparkline.rdp.1000: 4.83 ms (baseline: 2.15 ms, +124.4%) ⚠️ sparkline.none.10000: 27.98 ms (baseline: 10.22 ms, +173.7%) sparkline.movingAvg.10000: 2.66 ms (baseline: 2.81 ms, -5.5%) ⚠️ sparkline.rdp.10000: 8.15 ms (baseline: 3.50 ms, +132.9%) ✓ sparkline.none.50000: 35.36 ms (baseline: 45.93 ms, -23.0%) ⚠️ sparkline.movingAvg.50000: 7.96 ms (baseline: 3.00 ms, +165.3%) sparkline.rdp.50000: 67.83 ms (baseline: 57.63 ms, +17.7%) ⚠️ sparkline.none.100000: 57.01 ms (baseline: 46.86 ms, +21.7%) ⚠️ sparkline.movingAvg.100000: 18.81 ms (baseline: 8.14 ms, +131.0%) ⚠️ sparkline.rdp.100000: 45.58 ms (baseline: 8.82 ms, +416.5%) ⚠️ sparkline.none.500000: 366.05 ms (baseline: 273.43 ms, +33.9%) ⚠️ sparkline.movingAvg.500000: 43.75 ms (baseline: 33.52 ms, +30.5%) sparkline.rdp.500000: 23.89 ms (baseline: 26.19 ms, -8.8%) ⚠️ sparkline.none.948423: 666.58 ms (baseline: 441.09 ms, +51.1%) sparkline.movingAvg.948423: 118.48 ms (baseline: 105.77 ms, +12.0%) ⚠️ sparkline.rdp.948423: 80.51 ms (baseline: 61.46 ms, +31.0%) ✓ windrose.aggregation.1000: 429.6 µs (baseline: 536.7 µs, -19.9%) ⚠️ windrose.draw.1000: 1.88 ms (baseline: 901.4 µs, +108.1%) ⚠️ windrose.aggregation.10000: 3.54 ms (baseline: 1.48 ms, +138.8%) ⚠️ windrose.draw.10000: 2.04 ms (baseline: 1.04 ms, +96.4%) ⚠️ windrose.aggregation.50000: 12.51 ms (baseline: 8.91 ms, +40.3%) windrose.draw.50000: 1.01 ms (baseline: 876.1 µs, +15.8%) ⚠️ windrose.aggregation.100000: 8.33 ms (baseline: 4.77 ms, +74.7%) windrose.draw.100000: 909.6 µs (baseline: 799.3 µs, +13.8%) ⚠️ windrose.aggregation.500000: 29.12 ms (baseline: 19.71 ms, +47.7%) windrose.draw.500000: 705.0 µs (baseline: 683.2 µs, +3.2%) ⚠️ windrose.aggregation.948423: 66.02 ms (baseline: 47.29 ms, +39.6%) ✓ windrose.draw.948423: 618.5 µs (baseline: 743.2 µs, -16.8%) ⚠️ scaling.none.1x: 11.04 ms (baseline: 5.18 ms, +113.1%) ⚠️ scaling.movingAvg.1x: 1.79 ms (baseline: 1.07 ms, +67.0%) scaling.rdp.1x: 553.4 µs (baseline: 582.0 µs, -4.9%) ⚠️ scaling.none.2x: 14.52 ms (baseline: 9.30 ms, +56.1%) ⚠️ scaling.movingAvg.2x: 2.90 ms (baseline: 1.65 ms, +75.7%) ⚠️ scaling.rdp.2x: 1.82 ms (baseline: 921.4 µs, +97.1%) ⚠️ scaling.none.5x: 46.47 ms (baseline: 20.16 ms, +130.5%) scaling.movingAvg.5x: 7.79 ms (baseline: 7.63 ms, +2.2%) ⚠️ scaling.rdp.5x: 4.39 ms (baseline: 3.11 ms, +41.1%) scaling.none.10x: 42.79 ms (baseline: 46.10 ms, -7.2%) ✓ scaling.movingAvg.10x: 5.04 ms (baseline: 7.24 ms, -30.4%) ⚠️ scaling.rdp.10x: 6.67 ms (baseline: 4.27 ms, +56.5%) scaling.none.20x: 126.17 ms (baseline: 106.78 ms, +18.2%) ✓ scaling.movingAvg.20x: 9.08 ms (baseline: 12.82 ms, -29.2%) scaling.rdp.20x: 7.81 ms (baseline: 7.58 ms, +3.0%) scaling.none.50x: 274.98 ms (baseline: 236.72 ms, +16.2%) scaling.movingAvg.50x: 46.44 ms (baseline: 45.61 ms, +1.8%) scaling.rdp.50x: 48.24 ms (baseline: 43.63 ms, +10.6%) ✓ multiseries.movingAvg.1series: 5.03 ms (baseline: 5.91 ms, -14.9%) ✓ multiseries.rdp.1series: 3.26 ms (baseline: 3.97 ms, -17.8%) multiseries.movingAvg.2series: 10.70 ms (baseline: 9.95 ms, +7.5%) multiseries.rdp.2series: 10.58 ms (baseline: 9.07 ms, +16.6%) ⚠️ multiseries.movingAvg.3series: 17.23 ms (baseline: 13.59 ms, +26.8%) multiseries.rdp.3series: 18.79 ms (baseline: 16.10 ms, +16.7%) ⚠️ multiseries.movingAvg.5series: 39.70 ms (baseline: 21.36 ms, +85.9%) ⚠️ multiseries.rdp.5series: 38.04 ms (baseline: 24.67 ms, +54.2%) 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: 42.06 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: 0.006 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: 0.014 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: 18.93 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: 01:09 min [INFO] Finished at: 2026-04-25T18:17:37Z [INFO] ------------------------------------------------------------------------