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: 2.616 s [INFO] Finished at: 2026-06-12T00:41:47Z [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: 2.423 s [INFO] Finished at: 2026-06-12T00:41:52Z [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: 2026-06-11T22:45:51.632417081Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 00:42:28.073 [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 | 2.48 ms | 4.33 ms | 2.25 ms 1,000 | 7.16 ms | 4.01 ms | 2.01 ms 10,000 | 18.11 ms | 4.98 ms | 4.91 ms 49,871 | 25.79 ms | 3.34 ms | 66.56 ms 97,643 | 55.87 ms | 14.97 ms | 12.85 ms 495,995 | 393.00 ms | 47.44 ms | 22.65 ms 944,282 | 604.66 ms | 111.34 ms | 142.80 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 | 1.72 ms | 2.54 ms | 4.25 ms 10,000 | 3.79 ms | 2.62 ms | 6.40 ms 50,000 | 14.43 ms | 1.72 ms | 16.15 ms 100,000 | 12.81 ms | 2.51 ms | 15.32 ms 500,000 | 57.71 ms | 595.8 µs | 58.30 ms 948,423 | 78.33 ms | 1.23 ms | 79.57 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 | 8.45 ms ( 1.0x) | 633.4 µs ( 0.3x) | 1.33 ms ( 2.2x) 2x | 19,996 | 16.35 ms ( 1.9x) | 2.82 ms ( 1.4x) | 1.36 ms ( 2.3x) 5x | 49,871 | 31.10 ms ( 3.6x) | 5.55 ms ( 2.8x) | 1.90 ms ( 3.2x) 10x | 97,643 | 53.74 ms ( 6.2x) | 6.42 ms ( 3.3x) | 6.94 ms (11.8x) 20x | 196,569 | 136.73 ms (15.8x) | 13.02 ms ( 6.6x) | 9.63 ms (16.3x) 50x | 495,995 | 281.43 ms (32.5x) | 39.30 ms (20.0x) | 75.52 ms (128.1x) 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 | 162.6 µs | 5 | 304.3 µs 10,000 | 5 | 1.32 ms | 5 | 1.17 ms 97,643 | 5 | 5.49 ms | 5 | 6.21 ms 495,995 | 5 | 40.47 ms | 5 | 31.36 ms 944,282 | 5 | 96.82 ms | 5 | 132.17 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 | 4.64 ms | 3.48 ms 2 | 12.55 ms | 37.11 ms 3 | 16.52 ms | 19.30 ms 5 | 24.51 ms | 43.13 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 2.48 ms (baseline: 5.26 ms, -52.9%) sparkline.movingAvg.100: 4.33 ms (baseline: 4.04 ms, +7.0%) ✓ sparkline.rdp.100: 2.25 ms (baseline: 5.26 ms, -57.2%) ✓ sparkline.none.1000: 7.16 ms (baseline: 9.04 ms, -20.7%) ✓ sparkline.movingAvg.1000: 4.01 ms (baseline: 6.07 ms, -33.9%) ✓ sparkline.rdp.1000: 2.01 ms (baseline: 3.58 ms, -43.7%) ✓ sparkline.none.10000: 18.11 ms (baseline: 21.22 ms, -14.7%) ✓ sparkline.movingAvg.10000: 4.98 ms (baseline: 7.05 ms, -29.4%) ✓ sparkline.rdp.10000: 4.91 ms (baseline: 16.31 ms, -69.9%) ✓ sparkline.none.50000: 25.79 ms (baseline: 37.33 ms, -30.9%) ✓ sparkline.movingAvg.50000: 3.34 ms (baseline: 5.76 ms, -41.9%) sparkline.rdp.50000: 66.56 ms (baseline: 65.56 ms, +1.5%) ✓ sparkline.none.100000: 55.87 ms (baseline: 121.34 ms, -54.0%) ⚠️ sparkline.movingAvg.100000: 14.97 ms (baseline: 5.49 ms, +172.9%) ⚠️ sparkline.rdp.100000: 12.85 ms (baseline: 6.23 ms, +106.3%) ⚠️ sparkline.none.500000: 393.00 ms (baseline: 326.37 ms, +20.4%) sparkline.movingAvg.500000: 47.44 ms (baseline: 50.66 ms, -6.3%) ✓ sparkline.rdp.500000: 22.65 ms (baseline: 25.82 ms, -12.3%) ✓ sparkline.none.948423: 604.66 ms (baseline: 721.77 ms, -16.2%) ✓ sparkline.movingAvg.948423: 111.34 ms (baseline: 142.68 ms, -22.0%) sparkline.rdp.948423: 142.80 ms (baseline: 130.32 ms, +9.6%) ⚠️ windrose.aggregation.1000: 1.72 ms (baseline: 402.7 µs, +326.2%) ✓ windrose.draw.1000: 2.54 ms (baseline: 4.42 ms, -42.6%) ✓ windrose.aggregation.10000: 3.79 ms (baseline: 10.10 ms, -62.5%) ⚠️ windrose.draw.10000: 2.62 ms (baseline: 1.11 ms, +135.8%) ⚠️ windrose.aggregation.50000: 14.43 ms (baseline: 8.12 ms, +77.7%) ✓ windrose.draw.50000: 1.72 ms (baseline: 2.55 ms, -32.3%) ⚠️ windrose.aggregation.100000: 12.81 ms (baseline: 9.94 ms, +28.9%) ⚠️ windrose.draw.100000: 2.51 ms (baseline: 1.48 ms, +69.7%) ⚠️ windrose.aggregation.500000: 57.71 ms (baseline: 42.43 ms, +36.0%) ✓ windrose.draw.500000: 595.8 µs (baseline: 1.29 ms, -53.8%) ⚠️ windrose.aggregation.948423: 78.33 ms (baseline: 50.61 ms, +54.8%) ✓ windrose.draw.948423: 1.23 ms (baseline: 2.97 ms, -58.5%) ✓ scaling.none.1x: 8.45 ms (baseline: 9.65 ms, -12.4%) ✓ scaling.movingAvg.1x: 633.4 µs (baseline: 1.11 ms, -42.9%) ⚠️ scaling.rdp.1x: 1.33 ms (baseline: 544.5 µs, +143.4%) scaling.none.2x: 16.35 ms (baseline: 16.02 ms, +2.0%) ⚠️ scaling.movingAvg.2x: 2.82 ms (baseline: 1.12 ms, +151.6%) ✓ scaling.rdp.2x: 1.36 ms (baseline: 5.94 ms, -77.0%) scaling.none.5x: 31.10 ms (baseline: 34.26 ms, -9.2%) ⚠️ scaling.movingAvg.5x: 5.55 ms (baseline: 2.13 ms, +161.0%) scaling.rdp.5x: 1.90 ms (baseline: 1.68 ms, +12.6%) ✓ scaling.none.10x: 53.74 ms (baseline: 74.22 ms, -27.6%) ⚠️ scaling.movingAvg.10x: 6.42 ms (baseline: 4.47 ms, +43.6%) ✓ scaling.rdp.10x: 6.94 ms (baseline: 10.28 ms, -32.5%) ⚠️ scaling.none.20x: 136.73 ms (baseline: 109.23 ms, +25.2%) ⚠️ scaling.movingAvg.20x: 13.02 ms (baseline: 10.63 ms, +22.5%) ✓ scaling.rdp.20x: 9.63 ms (baseline: 56.81 ms, -83.0%) ✓ scaling.none.50x: 281.43 ms (baseline: 337.14 ms, -16.5%) ⚠️ scaling.movingAvg.50x: 39.30 ms (baseline: 27.08 ms, +45.1%) ⚠️ scaling.rdp.50x: 75.52 ms (baseline: 23.18 ms, +225.8%) ✓ multiseries.movingAvg.1series: 4.64 ms (baseline: 8.82 ms, -47.5%) multiseries.rdp.1series: 3.48 ms (baseline: 3.05 ms, +14.0%) ✓ multiseries.movingAvg.2series: 12.55 ms (baseline: 14.15 ms, -11.3%) ⚠️ multiseries.rdp.2series: 37.11 ms (baseline: 15.63 ms, +137.5%) multiseries.movingAvg.3series: 16.52 ms (baseline: 16.87 ms, -2.1%) ⚠️ multiseries.rdp.3series: 19.30 ms (baseline: 14.41 ms, +33.9%) multiseries.movingAvg.5series: 24.51 ms (baseline: 25.29 ms, -3.1%) ⚠️ multiseries.rdp.5series: 43.13 ms (baseline: 24.10 ms, +78.9%) 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: 42.77 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: 0.025 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: 0.029 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: 19.67 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: 01:13 min [INFO] Finished at: 2026-06-12T00:43:15Z [INFO] ------------------------------------------------------------------------