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=25.1.6 -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: 2.492 s [INFO] Finished at: 2026-06-02T07:35:24Z [INFO] ------------------------------------------------------------------------ $ mvn versions:set -DnewVersion=25.1.6 -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 -> 25.1.6 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.374 s [INFO] Finished at: 2026-06-02T07:35:29Z [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 6.8.0-117-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-06-02T05:47:34.572611398Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:36:02.203 [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 | 2.10 ms | 1.84 ms | 1.47 ms 1,000 | 6.08 ms | 1.81 ms | 2.32 ms 10,000 | 24.35 ms | 2.97 ms | 5.69 ms 49,871 | 41.70 ms | 15.60 ms | 91.46 ms 97,643 | 93.29 ms | 5.12 ms | 7.51 ms 495,995 | 363.57 ms | 53.04 ms | 21.79 ms 944,282 | 610.03 ms | 140.50 ms | 88.44 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 | 648.2 µs | 7.21 ms | 7.86 ms 10,000 | 1.58 ms | 5.75 ms | 7.33 ms 50,000 | 38.93 ms | 2.35 ms | 41.28 ms 100,000 | 10.32 ms | 5.42 ms | 15.74 ms 500,000 | 35.86 ms | 981.3 µs | 36.84 ms 948,423 | 122.71 ms | 750.7 µs | 123.46 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 | 6.79 ms ( 0.4x) | 1.83 ms ( 1.8x) | 608.3 µs ( 0.3x) 2x | 19,996 | 19.21 ms ( 1.0x) | 2.60 ms ( 2.5x) | 2.46 ms ( 1.3x) 5x | 49,871 | 23.30 ms ( 1.2x) | 4.46 ms ( 4.3x) | 7.03 ms ( 3.6x) 10x | 97,643 | 56.17 ms ( 3.0x) | 4.62 ms ( 4.4x) | 4.71 ms ( 2.4x) 20x | 196,569 | 120.95 ms ( 6.4x) | 8.60 ms ( 8.2x) | 7.36 ms ( 3.8x) 50x | 495,995 | 322.50 ms (17.1x) | 39.29 ms (37.7x) | 49.51 ms (25.6x) 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 | 1.11 ms | 5 | 227.9 µs 10,000 | 5 | 1.83 ms | 5 | 521.7 µs 97,643 | 5 | 5.09 ms | 5 | 4.44 ms 495,995 | 5 | 38.62 ms | 5 | 43.62 ms 944,282 | 5 | 98.86 ms | 5 | 98.82 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 | 8.77 ms | 5.53 ms 2 | 21.74 ms | 8.71 ms 3 | 17.08 ms | 22.92 ms 5 | 46.86 ms | 36.61 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 2.10 ms (baseline: 1.55 ms, +35.3%) ✓ sparkline.movingAvg.100: 1.84 ms (baseline: 2.78 ms, -33.8%) sparkline.rdp.100: 1.47 ms (baseline: 1.26 ms, +16.3%) ⚠️ sparkline.none.1000: 6.08 ms (baseline: 4.99 ms, +21.8%) ✓ sparkline.movingAvg.1000: 1.81 ms (baseline: 3.40 ms, -46.7%) sparkline.rdp.1000: 2.32 ms (baseline: 2.11 ms, +9.8%) ✓ sparkline.none.10000: 24.35 ms (baseline: 32.13 ms, -24.2%) ⚠️ sparkline.movingAvg.10000: 2.97 ms (baseline: 1.93 ms, +53.7%) ✓ sparkline.rdp.10000: 5.69 ms (baseline: 13.13 ms, -56.7%) ✓ sparkline.none.50000: 41.70 ms (baseline: 48.30 ms, -13.7%) ⚠️ sparkline.movingAvg.50000: 15.60 ms (baseline: 4.18 ms, +273.0%) ⚠️ sparkline.rdp.50000: 91.46 ms (baseline: 3.04 ms, +2907.7%) ✓ sparkline.none.100000: 93.29 ms (baseline: 117.74 ms, -20.8%) ✓ sparkline.movingAvg.100000: 5.12 ms (baseline: 8.20 ms, -37.6%) ✓ sparkline.rdp.100000: 7.51 ms (baseline: 8.70 ms, -13.7%) ✓ sparkline.none.500000: 363.57 ms (baseline: 464.91 ms, -21.8%) ⚠️ sparkline.movingAvg.500000: 53.04 ms (baseline: 28.46 ms, +86.3%) sparkline.rdp.500000: 21.79 ms (baseline: 19.36 ms, +12.6%) sparkline.none.948423: 610.03 ms (baseline: 601.51 ms, +1.4%) ⚠️ sparkline.movingAvg.948423: 140.50 ms (baseline: 96.46 ms, +45.7%) sparkline.rdp.948423: 88.44 ms (baseline: 80.92 ms, +9.3%) ✓ windrose.aggregation.1000: 648.2 µs (baseline: 13.71 ms, -95.3%) ⚠️ windrose.draw.1000: 7.21 ms (baseline: 2.41 ms, +198.8%) windrose.aggregation.10000: 1.58 ms (baseline: 1.54 ms, +2.5%) ⚠️ windrose.draw.10000: 5.75 ms (baseline: 1.94 ms, +195.5%) ⚠️ windrose.aggregation.50000: 38.93 ms (baseline: 14.84 ms, +162.3%) ⚠️ windrose.draw.50000: 2.35 ms (baseline: 1.34 ms, +74.7%) ✓ windrose.aggregation.100000: 10.32 ms (baseline: 20.15 ms, -48.8%) ⚠️ windrose.draw.100000: 5.42 ms (baseline: 1.19 ms, +356.4%) ✓ windrose.aggregation.500000: 35.86 ms (baseline: 40.04 ms, -10.4%) ✓ windrose.draw.500000: 981.3 µs (baseline: 1.57 ms, -37.3%) ⚠️ windrose.aggregation.948423: 122.71 ms (baseline: 73.69 ms, +66.5%) ✓ windrose.draw.948423: 750.7 µs (baseline: 1.86 ms, -59.6%) ✓ scaling.none.1x: 6.79 ms (baseline: 14.39 ms, -52.8%) ⚠️ scaling.movingAvg.1x: 1.83 ms (baseline: 647.7 µs, +183.2%) scaling.rdp.1x: 608.3 µs (baseline: 600.0 µs, +1.4%) ⚠️ scaling.none.2x: 19.21 ms (baseline: 9.41 ms, +104.3%) scaling.movingAvg.2x: 2.60 ms (baseline: 2.37 ms, +9.4%) scaling.rdp.2x: 2.46 ms (baseline: 2.20 ms, +12.1%) ✓ scaling.none.5x: 23.30 ms (baseline: 33.46 ms, -30.4%) scaling.movingAvg.5x: 4.46 ms (baseline: 4.73 ms, -5.7%) ⚠️ scaling.rdp.5x: 7.03 ms (baseline: 3.79 ms, +85.4%) ✓ scaling.none.10x: 56.17 ms (baseline: 76.13 ms, -26.2%) ✓ scaling.movingAvg.10x: 4.62 ms (baseline: 14.83 ms, -68.9%) ✓ scaling.rdp.10x: 4.71 ms (baseline: 7.13 ms, -33.9%) scaling.none.20x: 120.95 ms (baseline: 106.37 ms, +13.7%) ✓ scaling.movingAvg.20x: 8.60 ms (baseline: 11.40 ms, -24.6%) ✓ scaling.rdp.20x: 7.36 ms (baseline: 9.79 ms, -24.8%) scaling.none.50x: 322.50 ms (baseline: 270.34 ms, +19.3%) ✓ scaling.movingAvg.50x: 39.29 ms (baseline: 53.40 ms, -26.4%) ⚠️ scaling.rdp.50x: 49.51 ms (baseline: 20.05 ms, +146.9%) ✓ multiseries.movingAvg.1series: 8.77 ms (baseline: 12.90 ms, -32.1%) multiseries.rdp.1series: 5.53 ms (baseline: 5.76 ms, -4.0%) multiseries.movingAvg.2series: 21.74 ms (baseline: 20.68 ms, +5.1%) ✓ multiseries.rdp.2series: 8.71 ms (baseline: 10.82 ms, -19.5%) ✓ multiseries.movingAvg.3series: 17.08 ms (baseline: 20.25 ms, -15.7%) ⚠️ multiseries.rdp.3series: 22.92 ms (baseline: 14.86 ms, +54.2%) multiseries.movingAvg.5series: 46.86 ms (baseline: 43.14 ms, +8.6%) multiseries.rdp.5series: 36.61 ms (baseline: 35.36 ms, +3.5%) 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: 43.99 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: 0.017 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: 0.040 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: 21.86 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: 01:15 min [INFO] Finished at: 2026-06-02T07:36:53Z [INFO] ------------------------------------------------------------------------