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=25.1.8 -DgenerateBackupPoms=false -B --no-transfer-progress [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: 2.612 s [INFO] Finished at: 2026-06-21T07:36:41Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.8 -DartifactId=vaadin-bom -DgenerateBackupPoms=false -B --no-transfer-progress [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 -> 25.1.8 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.981 s [INFO] Finished at: 2026-06-21T07:36:45Z [INFO] ------------------------------------------------------------------------ $ mvn clean verify -B --no-transfer-progress -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: 2026-06-21T05:49:53.053284517Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:37:18.892 [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 | 3.26 ms | 3.33 ms | 2.34 ms 1,000 | 3.72 ms | 3.02 ms | 12.05 ms 10,000 | 19.93 ms | 5.02 ms | 16.07 ms 49,871 | 62.43 ms | 3.55 ms | 67.69 ms 97,643 | 89.25 ms | 14.11 ms | 10.76 ms 495,995 | 366.18 ms | 29.68 ms | 23.98 ms 944,282 | 721.68 ms | 110.22 ms | 230.18 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 | 488.2 µs | 2.81 ms | 3.30 ms 10,000 | 4.59 ms | 1.45 ms | 6.04 ms 50,000 | 13.63 ms | 2.08 ms | 15.70 ms 100,000 | 12.03 ms | 1.89 ms | 13.92 ms 500,000 | 19.97 ms | 916.4 µs | 20.89 ms 948,423 | 104.73 ms | 2.19 ms | 106.92 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 | 14.99 ms ( 1.7x) | 587.4 µs ( 0.3x) | 1.63 ms ( 0.8x) 2x | 19,996 | 23.21 ms ( 2.6x) | 3.42 ms ( 1.6x) | 5.58 ms ( 2.8x) 5x | 49,871 | 33.53 ms ( 3.7x) | 2.76 ms ( 1.3x) | 4.16 ms ( 2.1x) 10x | 97,643 | 70.60 ms ( 7.9x) | 4.33 ms ( 2.1x) | 9.41 ms ( 4.7x) 20x | 196,569 | 115.58 ms (12.9x) | 8.74 ms ( 4.2x) | 7.38 ms ( 3.7x) 50x | 495,995 | 332.83 ms (37.2x) | 39.71 ms (19.0x) | 32.23 ms (16.0x) 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 | 217.9 µs | 5 | 236.0 µs 10,000 | 5 | 533.3 µs | 5 | 461.9 µs 97,643 | 5 | 4.50 ms | 5 | 3.25 ms 495,995 | 5 | 39.84 ms | 5 | 31.26 ms 944,282 | 5 | 118.04 ms | 5 | 98.31 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 | 7.38 ms | 4.94 ms 2 | 15.45 ms | 10.67 ms 3 | 22.30 ms | 21.39 ms 5 | 42.39 ms | 33.86 ms Draw time scales with number of series. === Performance Summary === ✓ sparkline.none.100: 3.26 ms (baseline: 3.68 ms, -11.6%) ✓ sparkline.movingAvg.100: 3.33 ms (baseline: 4.14 ms, -19.4%) ✓ sparkline.rdp.100: 2.34 ms (baseline: 4.46 ms, -47.5%) ✓ sparkline.none.1000: 3.72 ms (baseline: 11.90 ms, -68.7%) ⚠️ sparkline.movingAvg.1000: 3.02 ms (baseline: 1.43 ms, +110.7%) ⚠️ sparkline.rdp.1000: 12.05 ms (baseline: 1.55 ms, +678.7%) sparkline.none.10000: 19.93 ms (baseline: 17.48 ms, +14.0%) ⚠️ sparkline.movingAvg.10000: 5.02 ms (baseline: 2.72 ms, +84.4%) ⚠️ sparkline.rdp.10000: 16.07 ms (baseline: 4.13 ms, +289.3%) ⚠️ sparkline.none.50000: 62.43 ms (baseline: 49.59 ms, +25.9%) ✓ sparkline.movingAvg.50000: 3.55 ms (baseline: 8.52 ms, -58.3%) ⚠️ sparkline.rdp.50000: 67.69 ms (baseline: 29.01 ms, +133.3%) sparkline.none.100000: 89.25 ms (baseline: 77.22 ms, +15.6%) sparkline.movingAvg.100000: 14.11 ms (baseline: 14.66 ms, -3.8%) ✓ sparkline.rdp.100000: 10.76 ms (baseline: 37.01 ms, -70.9%) sparkline.none.500000: 366.18 ms (baseline: 328.94 ms, +11.3%) ✓ sparkline.movingAvg.500000: 29.68 ms (baseline: 55.07 ms, -46.1%) sparkline.rdp.500000: 23.98 ms (baseline: 20.21 ms, +18.6%) sparkline.none.948423: 721.68 ms (baseline: 622.32 ms, +16.0%) ✓ sparkline.movingAvg.948423: 110.22 ms (baseline: 150.17 ms, -26.6%) ⚠️ sparkline.rdp.948423: 230.18 ms (baseline: 140.43 ms, +63.9%) ⚠️ windrose.aggregation.1000: 488.2 µs (baseline: 406.4 µs, +20.1%) ⚠️ windrose.draw.1000: 2.81 ms (baseline: 1.42 ms, +98.1%) ⚠️ windrose.aggregation.10000: 4.59 ms (baseline: 3.82 ms, +20.1%) ✓ windrose.draw.10000: 1.45 ms (baseline: 2.11 ms, -31.2%) ✓ windrose.aggregation.50000: 13.63 ms (baseline: 21.62 ms, -37.0%) ✓ windrose.draw.50000: 2.08 ms (baseline: 4.35 ms, -52.3%) windrose.aggregation.100000: 12.03 ms (baseline: 12.84 ms, -6.3%) ✓ windrose.draw.100000: 1.89 ms (baseline: 2.25 ms, -16.1%) ✓ windrose.aggregation.500000: 19.97 ms (baseline: 67.47 ms, -70.4%) ✓ windrose.draw.500000: 916.4 µs (baseline: 1.24 ms, -26.3%) ⚠️ windrose.aggregation.948423: 104.73 ms (baseline: 82.64 ms, +26.7%) ⚠️ windrose.draw.948423: 2.19 ms (baseline: 1.77 ms, +23.3%) ⚠️ scaling.none.1x: 14.99 ms (baseline: 6.30 ms, +137.9%) ✓ scaling.movingAvg.1x: 587.4 µs (baseline: 1.37 ms, -57.2%) ⚠️ scaling.rdp.1x: 1.63 ms (baseline: 632.3 µs, +158.2%) ⚠️ scaling.none.2x: 23.21 ms (baseline: 10.31 ms, +125.2%) ✓ scaling.movingAvg.2x: 3.42 ms (baseline: 4.67 ms, -26.9%) ⚠️ scaling.rdp.2x: 5.58 ms (baseline: 1.82 ms, +206.0%) ⚠️ scaling.none.5x: 33.53 ms (baseline: 21.78 ms, +53.9%) ✓ scaling.movingAvg.5x: 2.76 ms (baseline: 6.75 ms, -59.2%) ✓ scaling.rdp.5x: 4.16 ms (baseline: 6.08 ms, -31.6%) ⚠️ scaling.none.10x: 70.60 ms (baseline: 54.23 ms, +30.2%) ✓ scaling.movingAvg.10x: 4.33 ms (baseline: 11.87 ms, -63.5%) ⚠️ scaling.rdp.10x: 9.41 ms (baseline: 7.40 ms, +27.1%) scaling.none.20x: 115.58 ms (baseline: 120.11 ms, -3.8%) ✓ scaling.movingAvg.20x: 8.74 ms (baseline: 12.79 ms, -31.6%) ✓ scaling.rdp.20x: 7.38 ms (baseline: 42.32 ms, -82.6%) scaling.none.50x: 332.83 ms (baseline: 286.27 ms, +16.3%) ✓ scaling.movingAvg.50x: 39.71 ms (baseline: 45.58 ms, -12.9%) ⚠️ scaling.rdp.50x: 32.23 ms (baseline: 26.24 ms, +22.8%) multiseries.movingAvg.1series: 7.38 ms (baseline: 6.20 ms, +18.9%) ⚠️ multiseries.rdp.1series: 4.94 ms (baseline: 3.77 ms, +31.0%) ✓ multiseries.movingAvg.2series: 15.45 ms (baseline: 18.52 ms, -16.6%) ✓ multiseries.rdp.2series: 10.67 ms (baseline: 19.10 ms, -44.2%) ⚠️ multiseries.movingAvg.3series: 22.30 ms (baseline: 17.32 ms, +28.8%) ✓ multiseries.rdp.3series: 21.39 ms (baseline: 31.86 ms, -32.9%) ⚠️ multiseries.movingAvg.5series: 42.39 ms (baseline: 28.25 ms, +50.0%) multiseries.rdp.5series: 33.86 ms (baseline: 34.22 ms, -1.1%) 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: 42.96 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: 0.012 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: 0.013 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: 19.11 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: 01:12 min [INFO] Finished at: 2026-06-21T07:38:06Z [INFO] ------------------------------------------------------------------------