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: 2.349 s [INFO] Finished at: 2026-04-22T21:22:13Z [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: 2.097 s [INFO] Finished at: 2026-04-22T21:22:18Z [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: 2026-04-22T19:41:23.996002219Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 21:22:45.106 [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 | 7.91 ms | 4.84 ms | 1.71 ms 1,000 | 6.63 ms | 3.19 ms | 5.44 ms 10,000 | 20.73 ms | 5.11 ms | 4.14 ms 49,871 | 41.56 ms | 4.68 ms | 63.98 ms 97,643 | 58.00 ms | 8.51 ms | 9.07 ms 495,995 | 322.58 ms | 61.03 ms | 25.72 ms 944,282 | 540.63 ms | 110.81 ms | 71.34 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 | 419.3 µs | 2.95 ms | 3.37 ms 10,000 | 2.62 ms | 2.15 ms | 4.77 ms 50,000 | 14.53 ms | 924.2 µs | 15.46 ms 100,000 | 6.72 ms | 1.87 ms | 8.59 ms 500,000 | 40.47 ms | 1.07 ms | 41.54 ms 948,423 | 69.45 ms | 1.18 ms | 70.64 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 | 5.19 ms ( 0.7x) | 1.48 ms ( 1.6x) | 565.0 µs ( 1.0x) 2x | 19,996 | 10.16 ms ( 1.4x) | 2.54 ms ( 2.7x) | 904.4 µs ( 1.6x) 5x | 49,871 | 28.74 ms ( 3.8x) | 6.72 ms ( 7.1x) | 1.98 ms ( 3.5x) 10x | 97,643 | 38.09 ms ( 5.1x) | 4.89 ms ( 5.2x) | 3.26 ms ( 5.7x) 20x | 196,569 | 108.69 ms (14.5x) | 10.26 ms (10.8x) | 7.30 ms (12.7x) 50x | 495,995 | 213.43 ms (28.4x) | 24.35 ms (25.7x) | 22.59 ms (39.4x) 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 | 140.2 µs | 5 | 172.5 µs 10,000 | 5 | 511.8 µs | 5 | 536.7 µs 97,643 | 5 | 5.74 ms | 5 | 3.50 ms 495,995 | 5 | 33.65 ms | 5 | 40.76 ms 944,282 | 5 | 85.72 ms | 5 | 40.55 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 | 4.75 ms | 4.86 ms 2 | 9.06 ms | 11.85 ms 3 | 14.40 ms | 14.63 ms 5 | 22.63 ms | 27.55 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 7.91 ms (baseline: 3.60 ms, +120.1%) ⚠️ sparkline.movingAvg.100: 4.84 ms (baseline: 2.12 ms, +128.7%) ✓ sparkline.rdp.100: 1.71 ms (baseline: 2.35 ms, -27.0%) ⚠️ sparkline.none.1000: 6.63 ms (baseline: 3.03 ms, +118.6%) ⚠️ sparkline.movingAvg.1000: 3.19 ms (baseline: 2.21 ms, +44.0%) ⚠️ sparkline.rdp.1000: 5.44 ms (baseline: 1.75 ms, +211.0%) ✓ sparkline.none.10000: 20.73 ms (baseline: 27.32 ms, -24.1%) ⚠️ sparkline.movingAvg.10000: 5.11 ms (baseline: 3.38 ms, +51.1%) ✓ sparkline.rdp.10000: 4.14 ms (baseline: 5.70 ms, -27.4%) ✓ sparkline.none.50000: 41.56 ms (baseline: 46.37 ms, -10.4%) sparkline.movingAvg.50000: 4.68 ms (baseline: 4.46 ms, +4.9%) ✓ sparkline.rdp.50000: 63.98 ms (baseline: 73.25 ms, -12.7%) ⚠️ sparkline.none.100000: 58.00 ms (baseline: 45.62 ms, +27.1%) ✓ sparkline.movingAvg.100000: 8.51 ms (baseline: 13.06 ms, -34.8%) ✓ sparkline.rdp.100000: 9.07 ms (baseline: 10.88 ms, -16.6%) sparkline.none.500000: 322.58 ms (baseline: 276.04 ms, +16.9%) ⚠️ sparkline.movingAvg.500000: 61.03 ms (baseline: 50.08 ms, +21.9%) sparkline.rdp.500000: 25.72 ms (baseline: 26.41 ms, -2.6%) ⚠️ sparkline.none.948423: 540.63 ms (baseline: 441.15 ms, +22.6%) sparkline.movingAvg.948423: 110.81 ms (baseline: 103.37 ms, +7.2%) ✓ sparkline.rdp.948423: 71.34 ms (baseline: 140.54 ms, -49.2%) windrose.aggregation.1000: 419.3 µs (baseline: 414.5 µs, +1.2%) ⚠️ windrose.draw.1000: 2.95 ms (baseline: 1.25 ms, +136.7%) ⚠️ windrose.aggregation.10000: 2.62 ms (baseline: 1.58 ms, +65.7%) ⚠️ windrose.draw.10000: 2.15 ms (baseline: 1.07 ms, +100.9%) ⚠️ windrose.aggregation.50000: 14.53 ms (baseline: 7.16 ms, +103.1%) windrose.draw.50000: 924.2 µs (baseline: 874.5 µs, +5.7%) ⚠️ windrose.aggregation.100000: 6.72 ms (baseline: 4.14 ms, +62.1%) ⚠️ windrose.draw.100000: 1.87 ms (baseline: 964.7 µs, +93.4%) ⚠️ windrose.aggregation.500000: 40.47 ms (baseline: 20.53 ms, +97.2%) ⚠️ windrose.draw.500000: 1.07 ms (baseline: 743.8 µs, +43.5%) ⚠️ windrose.aggregation.948423: 69.45 ms (baseline: 46.34 ms, +49.9%) ⚠️ windrose.draw.948423: 1.18 ms (baseline: 693.9 µs, +70.6%) scaling.none.1x: 5.19 ms (baseline: 4.64 ms, +11.9%) ⚠️ scaling.movingAvg.1x: 1.48 ms (baseline: 731.9 µs, +102.1%) scaling.rdp.1x: 565.0 µs (baseline: 589.7 µs, -4.2%) scaling.none.2x: 10.16 ms (baseline: 10.00 ms, +1.6%) ✓ scaling.movingAvg.2x: 2.54 ms (baseline: 3.07 ms, -17.3%) scaling.rdp.2x: 904.4 µs (baseline: 921.8 µs, -1.9%) ⚠️ scaling.none.5x: 28.74 ms (baseline: 21.31 ms, +34.9%) ⚠️ scaling.movingAvg.5x: 6.72 ms (baseline: 3.13 ms, +114.7%) scaling.rdp.5x: 1.98 ms (baseline: 2.05 ms, -3.6%) scaling.none.10x: 38.09 ms (baseline: 38.87 ms, -2.0%) ✓ scaling.movingAvg.10x: 4.89 ms (baseline: 6.44 ms, -24.1%) scaling.rdp.10x: 3.26 ms (baseline: 3.42 ms, -4.7%) scaling.none.20x: 108.69 ms (baseline: 95.35 ms, +14.0%) ✓ scaling.movingAvg.20x: 10.26 ms (baseline: 11.57 ms, -11.3%) ✓ scaling.rdp.20x: 7.30 ms (baseline: 10.99 ms, -33.6%) scaling.none.50x: 213.43 ms (baseline: 213.19 ms, +0.1%) ✓ scaling.movingAvg.50x: 24.35 ms (baseline: 40.16 ms, -39.4%) scaling.rdp.50x: 22.59 ms (baseline: 22.28 ms, +1.4%) ✓ multiseries.movingAvg.1series: 4.75 ms (baseline: 9.72 ms, -51.2%) ⚠️ multiseries.rdp.1series: 4.86 ms (baseline: 3.47 ms, +40.2%) ✓ multiseries.movingAvg.2series: 9.06 ms (baseline: 10.07 ms, -10.1%) multiseries.rdp.2series: 11.85 ms (baseline: 10.81 ms, +9.7%) multiseries.movingAvg.3series: 14.40 ms (baseline: 13.63 ms, +5.6%) multiseries.rdp.3series: 14.63 ms (baseline: 14.66 ms, -0.2%) multiseries.movingAvg.5series: 22.63 ms (baseline: 22.58 ms, +0.2%) multiseries.rdp.5series: 27.55 ms (baseline: 28.12 ms, -2.0%) 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: 37.38 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: 0.011 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: 0.016 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: 13.61 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: 01:00 min [INFO] Finished at: 2026-04-22T21:23:21Z [INFO] ------------------------------------------------------------------------